Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292501 | Use of a carboxy-substituted polymer to inhibit plaque formation without tooth staining | Charles Raymond Degenhardt | 1994-03-08 |
| 5213789 | Use of a carboxy-containing copolymer to inhibit plaque formation without tooth staining | Charles Raymond Degenhardt | 1993-05-25 |
| 5093170 | Use of a carboxy-substituted polymer to inhibit plaque formation without tooth staining | Charles Raymond Degenhardt | 1992-03-03 |
| 5009882 | Use of a carboxy starch polymer to inhibit plaque without tooth staining | Charles Raymond Degenhardt | 1991-04-23 |
| 4877603 | Oral compositions | Charles Raymond Degenhardt | 1989-10-31 |