|
| US4169012 | 9 Sep 1977 | 25 Sep 1979 | Akzona Incorporated | Stabilized peroxidase reagent for enzyme immunoassay |
| US4228240 | 25 Jan 1979 | 14 Oct 1980 | Akzona Incorporated | Stabilization of peroxidase |
| US4331761 | 4 Jan 1980 | 25 May 1982 | Akzona Incorporated | Stabilization of peroxidase |
| US4333734 | 8 Oct 1980 | 8 Jun 1982 | Sloan-Kettering Institute for Cancer Research | Diagnostic device for fecal occult blood and method of use |
| US4486536 | 19 Aug 1982 | 4 Dec 1984 | Smithkline Diagnostics, Inc. | Specimen slide for occult blood testing |
| US4642286 | 7 May 1984 | 10 Feb 1987 | | Composition and method for ethanol determination |
