WO1995023506A1 - Microencapsulated compositon of chlorpyrifos or endosulfan - Google Patents
Microencapsulated compositon of chlorpyrifos or endosulfan Download PDFInfo
- Publication number
- WO1995023506A1 WO1995023506A1 PCT/US1995/002736 US9502736W WO9523506A1 WO 1995023506 A1 WO1995023506 A1 WO 1995023506A1 US 9502736 W US9502736 W US 9502736W WO 9523506 A1 WO9523506 A1 WO 9523506A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- accordance
- tinuvin
- microencapsulated
- visible light
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/24—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
- A01N25/28—Microcapsules or nanocapsules
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing heterocyclic radicals
Definitions
- the present invention relates to microencapsulated insecticide compositions which are stabilized against
- the present invention more
- microencapsulated chlorpyrifos or endosulfan stabilized against degradation by visible and ultra-violet light having unexpected extended insecticidal activity while having unexpected low toxicity to non-target species.
- Chlorpyrifos which is the common name for 0, 0-diethyl-0-(3,5,6-trichloro-2-pyridyl)-phosphorathioate, is a well-known insecticide. Two major problems of this
- insecticide is on the one hand its ease of decomposition when exposed to the environment and the concomitant high toxicity to non-target animals.
- chlorpyrifos has a toxicity to rats (acute oral) of an LD 50 of 168 mg/kg and a toxicity to trout (acute) of an LC 50 of 0.007mg/kg.
- Endosulfan which is the common name for
- Microencapsulated chlorpyrifos has been reported in European Patent Application No. 140,548.
- Microencapsulated endosulfan has been reported in US 4,230,809. In neither case is there any report of the use of
- a microencapsulated chlorpyrifos or endosulfan composition comprising a polyurea shell and one or more photostable ultraviolet and visible light absorbent
- composition having unexpected long, extended insecticidal activity with high toxicity to target species and very low toxicity to non-target animals.
- microencapsulted insecticidal composition of the present inventions are prepared using standard
- Example 1 Details for chlorpyrifos appear in Example 1. Details for endosulfan appear in Example 10.
- the percentage of the envelope - excluding the water and the polyvinylalcohol varies from 3% to 50%, preferably up to 30%.
- the fill contains from 0.5% to 5% preferably 1% to 3%, of the photostable ultraviolet and visible light absorbent compound.
- Example 2 Details of the stability of chlorpyrifos are listed in Example 2. For endosulfan, it was found that it decomposed after irradiation for 100 hours at 310 ⁇ 5
- the photostable ultraviolet and visible light absorbent compounds are selected from the group consisting of sterically hindered amines and dyes.
- the sterically hindered amines are in turn selected from the Ciba-Geigy products known by the general trade name "TINUVIN” where the preferred ones are “TINUVIN -770" and “TINUVIN -780” having the following structures and Chemical Abstract Numbers as follows:
- inventions may also optionally contain in addition to one of the "TINUVINS" dyes selected from the group consisting of Thermoplast green, Blue paste, Fluorescein, Sudan blue, Macrolex blue and Sudan III.
- compositions containing chlorpyrifos are listed in Table 1.
- Table 1 The microencapsulated compositions containing chlorpyrifos are listed in Table 1.
- Several of these compositions were studied to determine which had the longest activity against target species, such as beetles and cockroaches, even after exposure to sunlight, (Examples 4, 5 and 8) while having the lowest toxicity to non-target species, represented by mice, fish and bees (Examples 3, 6 and 9).
- the result was that Composition Numbers 14 and 15 containing chlorpyrifos were the preferred compositions, with Number 14 most preferred.
- compositions of the present invention containing endosulfan gave poor toxicological results on mice. That is, in order to obtain a formulation with an LD 50 of 200 for mice the formulation would have to be very diluted; making it commercially unacceptable. However, compositions numbers 59 and 61 showed appreciably lower toxicity to non-target species at a commercially viable concentration of endosulfan, with number 61 the best. Examples 11 and 12 show the toxicity of these two formulations against the non-target species represented by mice and fish, respectively.
- the present invention affords a novel microencapsulated composition containing chlorpyrifos or endosulfan, which not only can withstand relatively long exposure to sunlight, has a low toxicity to non-target species such as mice, bees and fish, while retaining commercially acceptable toxicity levels to target species such as beetles and cockroaches.
- a good emulsion of Solution B in A was made by mixing for 5 minutes in a high sheer mixer, keeping the mixture at 40°C. To this emulsion was slowly added Solution C, keeping the temperature at 40°C. The reaction mixture was cooled to 25°C to 35°C and the stirring was continued for 4 additional hours. Solution D was added and the mixture stirred for 15 minutes. Representative
- microencapsulated compositions of chlorpyrifos are listed in Table 1.
- Voranate 280 39.7 36.8 - 8 - - - - 3500 35
- Unprotected chlorpyrifos was irradiated by an ultraviolet/visible light lamp for 68 hours.
- the stability versus the wavelength of the light is summarized as
- composition of the present invention are listed in Table 2 together with the data for a standard Emulsifiable
- This method was used to measure the levels of susceptibility of population of beetles to a given
- the method was carried out in a room free from insecticide contamination.
- the beetles were treated and held at a temperature of 30°C for Tribolium castaneum and 25°C for Maladera matrida and a relative humidity above 25%.
- Beetles were obtained, as far as possible, from the same area, and kept in a suitable container until required; and they were given adequate and standardized food before the experiment.
- Adult beetles of either sex were used.
- Tribolium castaneum were grown on flour enriched with 1% of beer yeast.
- Maladera matrida were obtained from the land of the farm "Sufa" and held in the laboratory in a suitable container on the ground which was used for food.
- a solution of each of the different formulations and the commercial material was obtained by using a high-shear mixer for 5 min.
- the filter paper for exposure time 0 was dried in the hood, and the others were taken to the roof of the laboratory and exposed to sunlight.
- This method measured the levels of susceptibility of a population of cockroaches to Chlorpyrifos. Cockroaches were exposed to standard chlorpyrifos residues in petri dish and mortality was determined. From the results, the times necessary for 50% and 95% knockdown (LT 50 and LT 95 ) can be determined. Adult males were used. If it was not feasible to obtain enough males, information on susceptibility can be obtained by using females. The test was carried out in a room free of insecticidal contamination. The cockroaches were exposed to the chlorpyrifos and held at a temperature between 25°C and 30°C and at a relative humidity above 25%. Cockroaches were given adequate and standardized food before the experiment. Cockroaches, Germmanica blatella were grown in the laboratory in containers with ready-to-serve meaty dog food.
- a petri dish was removed from the roof, and 5 Germanica blatella cockroaches were placed inside. To introduce 5 cockroaches into each petri dish, the cockroaches was first anaesthetized with carbon dioxide. The test was performed in 3 replications and mortality was checked. The exposure times examined were 0,5,10,15 and 20 days, approximately. Control dishes - untreated Whatman paper with 5 cockroaches after 24 h. A cockroach was considered knocked down if it fails to move on being
- Guppies were obtained from a fish shop and kept in a suitable 16-liter aquarium (water temperature 23-25°C), 10 fish/aquarium. The guppies were given adequate and standardized food (Europet Basic Food) before and after the experiment. Food was withheld for 2 days before the experiment.
- Microencapsulated chlorpyrifos using variations of formulation 14 and containing various concentrations of dyes are possible.
- Type 14 was prepared containing various different dyes.
- microencapsulated formulations prepared are shown in Table 7.
- test cages with the bees in it were exposed to CO 2 in an incubator to anaesthetize the test animals with CO 2 dosage chosen so that the anaesthetization was shorter than five minutes.
- the test substance was then applied to the anaesthetized bees; and the treated bees were then returned to the test cages and kept under test conditions for 48 hours. Five dosages of the test
- anaesthetized bees are laid, ventral surface up, on filter paper in petri dishes.
- Solution B 180 g melted endosulfan
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK95913557T DK0748158T3 (en) | 1994-03-03 | 1995-03-03 | Microencapsulated composition of chlorpyrifos or endosulfan |
NZ282973A NZ282973A (en) | 1994-03-03 | 1995-03-03 | Particles comprising compositions of chlorpyrifos or endosulfan microencapsulated by a polyurea and particles also comprising a uv and visible light stable absorbent |
AU20949/95A AU684627B2 (en) | 1994-03-03 | 1995-03-03 | Microencapsulated compositon of chlorpyrifos or endosulfan |
BR9507127A BR9507127A (en) | 1994-03-03 | 1995-03-03 | Microencapsulated composition |
PL95316084A PL186227B1 (en) | 1994-03-03 | 1995-03-03 | Microencaosulated composition of chloropyriphos or endosulphane |
DE69530913T DE69530913T2 (en) | 1994-03-03 | 1995-03-03 | MICRO-ENCODED COMPOSITION OF CHLORINE PYRIFOS AND ENDOSULFAN |
AT95913557T ATE241266T1 (en) | 1994-03-03 | 1995-03-03 | MICRO-ENCAPSULED COMPOSITION OF CHLOROPYRIFOS AND ENDOSULFAN |
EP95913557A EP0748158B1 (en) | 1994-03-03 | 1995-03-03 | Microencapsulated compositon of chlorpyrifos or endosulfan |
JP52306995A JP3816098B2 (en) | 1994-03-03 | 1995-03-03 | Microencapsulated composition of chlorpyrifos or endosulfan |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL10883594A IL108835A (en) | 1994-03-03 | 1994-03-03 | Microencapsulated composition containing chlorpyrifos or endosulfan |
IL108835 | 1994-03-03 | ||
US08/281,677 US5549903A (en) | 1994-03-03 | 1994-07-28 | Microencapsulated composition containing chlorpyrifos or endosulfsan |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995023506A1 true WO1995023506A1 (en) | 1995-09-08 |
Family
ID=26322791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1995/002736 WO1995023506A1 (en) | 1994-03-03 | 1995-03-03 | Microencapsulated compositon of chlorpyrifos or endosulfan |
Country Status (15)
Country | Link |
---|---|
US (1) | US5549903A (en) |
EP (1) | EP0748158B1 (en) |
JP (1) | JP3816098B2 (en) |
AT (1) | ATE241266T1 (en) |
AU (1) | AU684627B2 (en) |
BR (1) | BR9507127A (en) |
DE (1) | DE69530913T2 (en) |
DK (1) | DK0748158T3 (en) |
ES (1) | ES2197197T3 (en) |
IL (1) | IL108835A (en) |
NZ (1) | NZ282973A (en) |
PL (1) | PL186227B1 (en) |
PT (1) | PT748158E (en) |
WO (1) | WO1995023506A1 (en) |
ZA (1) | ZA951786B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998020737A1 (en) * | 1996-11-13 | 1998-05-22 | Hoechst Schering Agrevo Gmbh | Endosulfan microcapsule dispersion |
WO1998049901A1 (en) * | 1997-05-08 | 1998-11-12 | Ben Gurion University Of The Negev Research And Development Authority | A process for encapsulating laygon |
US5929053A (en) * | 1995-12-20 | 1999-07-27 | Sumitomo Chemical Company, Limited | Pesticidal composition and method for controlling pests using the same |
WO2003075658A1 (en) * | 2002-03-14 | 2003-09-18 | B.G. Negev Technologies And Applications Ltd. | Encapsulated nematocides |
WO2006077394A2 (en) * | 2005-01-19 | 2006-07-27 | The Central Science Laboratory (Csl) Representing The Secretary Of State For Environment, Food And Rural Affairs | Formulation |
WO2006077398A2 (en) * | 2005-01-19 | 2006-07-27 | The Central Science Laboratory (Csl) Representing The Secretary Of State For Environment, Food And Rural Affairs | Microcapsule |
EP2672817A2 (en) * | 2011-02-11 | 2013-12-18 | Dow AgroSciences LLC | Improved insecticide formulations |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4514077B2 (en) * | 1999-12-27 | 2010-07-28 | 日本エンバイロケミカルズ株式会社 | Microcapsule containing microbial growth inhibitor and method for producing microcapsule containing microbial growth inhibitor |
AUPR158400A0 (en) * | 2000-11-20 | 2000-12-14 | Commonwealth Scientific And Industrial Research Organisation | Improved method and insecticide formulation for reducing insect pests and infestation in agriculture |
US20060165746A1 (en) * | 2005-01-24 | 2006-07-27 | Arie Markus | Formulations containing microencapsulated essential oils |
US20060227288A1 (en) * | 2005-04-11 | 2006-10-12 | Seibert Joseph W | Multifocal lens |
CA2669478C (en) * | 2006-11-23 | 2016-06-14 | Gat Microencapsulation, Ag | Novel agrochemical formulations containing microcapsules |
WO2010100638A2 (en) | 2009-03-04 | 2010-09-10 | Celsius Property B.V. Amsterdam (Nl) | Seed treatment and pesticidal composition |
CN103402357B (en) | 2010-12-29 | 2016-12-07 | 陶氏益农公司 | The method of preventing and treating insecticide |
CN115120923A (en) * | 2022-03-31 | 2022-09-30 | 江苏省环境科学研究院 | Chlorpyrifos degradation method |
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US4666747A (en) * | 1983-08-15 | 1987-05-19 | Acacia Chemicals Ltd. | Spray method and formulation for use therein |
US4888174A (en) * | 1987-10-19 | 1989-12-19 | The Dow Chemical Company | Insecticidal polymeric compositions |
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1994
- 1994-03-03 IL IL10883594A patent/IL108835A/en not_active IP Right Cessation
- 1994-07-28 US US08/281,677 patent/US5549903A/en not_active Expired - Lifetime
-
1995
- 1995-03-03 JP JP52306995A patent/JP3816098B2/en not_active Expired - Fee Related
- 1995-03-03 BR BR9507127A patent/BR9507127A/en not_active IP Right Cessation
- 1995-03-03 AT AT95913557T patent/ATE241266T1/en not_active IP Right Cessation
- 1995-03-03 WO PCT/US1995/002736 patent/WO1995023506A1/en active IP Right Grant
- 1995-03-03 PL PL95316084A patent/PL186227B1/en not_active IP Right Cessation
- 1995-03-03 PT PT95913557T patent/PT748158E/en unknown
- 1995-03-03 NZ NZ282973A patent/NZ282973A/en not_active IP Right Cessation
- 1995-03-03 DE DE69530913T patent/DE69530913T2/en not_active Expired - Lifetime
- 1995-03-03 AU AU20949/95A patent/AU684627B2/en not_active Ceased
- 1995-03-03 ES ES95913557T patent/ES2197197T3/en not_active Expired - Lifetime
- 1995-03-03 ZA ZA951786A patent/ZA951786B/en unknown
- 1995-03-03 DK DK95913557T patent/DK0748158T3/en active
- 1995-03-03 EP EP95913557A patent/EP0748158B1/en not_active Expired - Lifetime
Patent Citations (3)
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US4056610A (en) * | 1975-04-09 | 1977-11-01 | Minnesota Mining And Manufacturing Company | Microcapsule insecticide composition |
US4666747A (en) * | 1983-08-15 | 1987-05-19 | Acacia Chemicals Ltd. | Spray method and formulation for use therein |
US4888174A (en) * | 1987-10-19 | 1989-12-19 | The Dow Chemical Company | Insecticidal polymeric compositions |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5929053A (en) * | 1995-12-20 | 1999-07-27 | Sumitomo Chemical Company, Limited | Pesticidal composition and method for controlling pests using the same |
WO1998020737A1 (en) * | 1996-11-13 | 1998-05-22 | Hoechst Schering Agrevo Gmbh | Endosulfan microcapsule dispersion |
US6294570B1 (en) | 1996-11-13 | 2001-09-25 | Aventis Cropscience Gmbh | Endosulfan microcapsule dispersion |
CN1131669C (en) * | 1996-11-13 | 2003-12-24 | 赫彻斯特-舍林农业发展有限公司 | Endosulfan microcapsule dispersion |
WO1998049901A1 (en) * | 1997-05-08 | 1998-11-12 | Ben Gurion University Of The Negev Research And Development Authority | A process for encapsulating laygon |
WO2003075658A1 (en) * | 2002-03-14 | 2003-09-18 | B.G. Negev Technologies And Applications Ltd. | Encapsulated nematocides |
WO2006077394A3 (en) * | 2005-01-19 | 2006-11-23 | Central Science Lab Csl Repres | Formulation |
WO2006077398A2 (en) * | 2005-01-19 | 2006-07-27 | The Central Science Laboratory (Csl) Representing The Secretary Of State For Environment, Food And Rural Affairs | Microcapsule |
WO2006077394A2 (en) * | 2005-01-19 | 2006-07-27 | The Central Science Laboratory (Csl) Representing The Secretary Of State For Environment, Food And Rural Affairs | Formulation |
WO2006077398A3 (en) * | 2005-01-19 | 2006-11-23 | Central Science Lab Csl Repres | Microcapsule |
AU2006207365B2 (en) * | 2005-01-19 | 2011-10-13 | The Secretary Of State For Environment, Food And Rural Affairs | Formulation |
EP2672817A2 (en) * | 2011-02-11 | 2013-12-18 | Dow AgroSciences LLC | Improved insecticide formulations |
CN103458683A (en) * | 2011-02-11 | 2013-12-18 | 陶氏益农公司 | Improved insecticide formulations |
EP2672817A4 (en) * | 2011-02-11 | 2014-10-08 | Dow Agrosciences Llc | Improved insecticide formulations |
AU2012214325B2 (en) * | 2011-02-11 | 2016-05-05 | Dow Agrosciences Llc | Improved insecticide formulations |
RU2599558C2 (en) * | 2011-02-11 | 2016-10-10 | ДАУ АГРОСАЙЕНСИЗ ЭлЭлСи | Improved insecticide compositions |
CN103458683B (en) * | 2011-02-11 | 2016-10-12 | 陶氏益农公司 | The insecticide preparation of improvement |
EP3251507A1 (en) * | 2011-02-11 | 2017-12-06 | Dow AgroSciences LLC | Improved insecticide formulations |
Also Published As
Publication number | Publication date |
---|---|
JPH09509945A (en) | 1997-10-07 |
IL108835A0 (en) | 1994-06-24 |
IL108835A (en) | 1997-08-14 |
JP3816098B2 (en) | 2006-08-30 |
PT748158E (en) | 2003-12-31 |
EP0748158A1 (en) | 1996-12-18 |
ATE241266T1 (en) | 2003-06-15 |
PL186227B1 (en) | 2003-12-31 |
ZA951786B (en) | 1995-12-11 |
EP0748158B1 (en) | 2003-05-28 |
EP0748158A4 (en) | 1998-11-25 |
DE69530913D1 (en) | 2003-07-03 |
ES2197197T3 (en) | 2004-01-01 |
AU684627B2 (en) | 1997-12-18 |
DK0748158T3 (en) | 2003-06-23 |
NZ282973A (en) | 1998-05-27 |
BR9507127A (en) | 1997-09-30 |
DE69530913T2 (en) | 2004-03-11 |
AU2094995A (en) | 1995-09-18 |
US5549903A (en) | 1996-08-27 |
PL316084A1 (en) | 1996-12-23 |
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