| Number | Name | Date | Kind |
|---|---|---|---|
| 2976576 | Wichterle | Mar 1961 | |
| 3419562 | Wakeman et al. | Dec 1968 | |
| 3520949 | Shepherd et al. | Jul 1970 | |
| 3566874 | Shepherd et al. | Mar 1971 | |
| 3574822 | Shepherd et al. | Apr 1971 | |
| 3577516 | Gould et al. | May 1971 | |
| 3621079 | Leeds | Nov 1971 | |
| 3632514 | Blocher | Jan 1972 | |
| 3695921 | Shepherd et al. | Oct 1972 | |
| 3813695 | Podell, Jr. et al. | Jun 1974 | |
| 4251305 | Becker et al. | Feb 1981 | |
| 4459289 | Maltz | Jul 1984 | |
| 4485092 | Ashton et al. | Nov 1984 | |
| 4499154 | James et al. | Feb 1985 | |
| 4526828 | Fogt et al. | Jul 1985 | |
| 4548844 | Podell et al. | Oct 1985 | |
| 4575476 | Podell et al. | Mar 1986 | |
| 4589873 | Schwartz et al. | May 1986 | |
| 4597108 | Momose | Jul 1986 | |
| 4638043 | Szycher et al. | Jan 1987 | |
| 4747845 | Korol | May 1988 | |
| 4846164 | Martz | Jul 1989 | |
| 4857334 | Korol | Aug 1989 | |
| 4867174 | Skribiski | Sep 1989 | |
| 4909244 | Quarfoot | Mar 1990 | |
| 4925677 | Feijen | May 1990 | |
| 5059424 | Cartmell | Oct 1991 |
| Number | Date | Country |
|---|---|---|
| 1200106 | Jul 1970 | GBX |
| Entry |
|---|
| "A New Biomaterial for the Control of Infection in the Burn Wound," by P. Nathan et al., vol. XXII, Trans. Amer. Soc. Artif. Int. Organs, 1976. |