| Number | Name | Date | Kind |
|---|---|---|---|
| 3400890 | Gould | Sep 1968 | |
| 4802626 | Forbes et al. | Feb 1989 | |
| 4874129 | DiSapio et al. | Oct 1989 | |
| 4940272 | Weick | Jul 1990 | |
| 5004138 | Gabas | Apr 1991 | |
| 5113554 | Gallo et al. | May 1992 | |
| 5170938 | Dewing | Dec 1992 |
| Number | Date | Country |
|---|---|---|
| 2908527 | Sep 1980 | DEX |
| Entry |
|---|
| Publication from the International Flavors and Fragrances Company of Rosemont, Ill. and describing their product sold under the trademark POLYIFF, 4 pages. |