Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150722 | Multi-layer scent emitting article and device adapted to employ same | — | 1992-09-29 |
| 5116627 | Chewing gum containing compositions for controlled release of flavor bearing substances and process for producing same | Nayan Desai, Keith McDermott, Charles Wiener | 1992-05-26 |
| 5070891 | Method for imparting flavors and aromas, flavor-imparting articles, and methods for preparation and use thereof | — | 1991-12-10 |
| 5069231 | Method for imparting functional ingredients, functional ingredient-imparting articles and methods for preparation and use thereof | — | 1991-12-03 |
| 4842761 | Compositions and methods for controlled release of fragrance-bearing substances | — | 1989-06-27 |
| 4543367 | Process for forming functional fluid and solid-containing thermoplastic films, uses thereof and process for producing same | Donald A. Withycombe | 1985-09-24 |
| 4542162 | Process for forming insect, animal or bird repellent fluid and solid-containing thermoplastic films and pellets, uses thereof and process for producing same | Donald A. Withycombe | 1985-09-17 |
| 4521541 | Process for forming functional fluid and solid-containing thermoplastic films, uses thereof and process for producing same | Donald A. Withycombe | 1985-06-04 |