|
| US4847049 | 20 Mar 1987 | 11 Jul 1989 | Vitaphore Corporation | Method of forming chelated collagen having bactericidal properties |
| US5211939 | 14 Jan 1992 | 18 May 1993 | | Method for desensitizing teeth |
| US5250288 | 25 Jan 1993 | 5 Oct 1993 | Gillette Canada, Inc. | Method for desensitizing teeth |
| US5320842 | 2 Nov 1992 | 14 Jun 1994 | Gillette Canada Inc. | Polymeric particles for dental applications |
| US5340581 | 15 Jun 1992 | 23 Aug 1994 | Gillette Canada, Inc. | Sustained-release matrices for dental application |
| US5565206 | 11 Mar 1994 | 15 Oct 1996 | Gillette Canada Inc. | Polymeric particles for dental applications |
| US5660817 | 9 Nov 1994 | 26 Aug 1997 | Gillette Canada, Inc. | Desensitizing teeth with degradable particles |
| US5720941 | 6 Jun 1995 | 24 Feb 1998 | Gillette Canada Inc. | Polymeric particles for dental applications |
| US5723132 | 6 Jun 1995 | 3 Mar 1998 | Gillette Canada Inc. | Sustained-release matrices for dental application |
| US5741479 | 6 Jun 1995 | 21 Apr 1998 | Gillette Canada Inc. | Desensitizing teeth with degradable particles |
| US5851551 | 21 Jun 1994 | 22 Dec 1998 | The Gillette Company | Sustained-release matrices for dental application |
| US5906834 | 9 Oct 1996 | 25 May 1999 | The Gillette Company | Color changing matrix as wear indicator |
| US5998431 | 16 Apr 1998 | 7 Dec 1999 | Gillette Canada Inc. | Sustained-release matrices for dental application |
| US7338664 | 15 Sep 2003 | 4 Mar 2008 | The Gillette Company | Color changing matrix as wear indicator |
