Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489197 | Polymeric active methylene compounds | Patricia C. Wang | 1984-12-18 |
| 4482680 | Quaternary ammonium group-containing polymers having antimicrobial activity | Bernard G. Sheldon, Robert E. Wingard, Jr., Ned M. Weinshenker | 1984-11-13 |
| 4397997 | Ultraturbulent coupling of polymeric diazonium salts | Phillip Brock | 1983-08-09 |
| 4393174 | Base hydrolysis of pendant amide polymers | Phillip Brock | 1983-07-12 |
| 4393175 | Process for the continuous diazotization of water-soluble polymeric amines | Phillip Brock | 1983-07-12 |
| 4381185 | Water-fast printing with water-soluble dyes | Sally A. Swanson, Ned M. Weinshenker, Robert E. Wingard, Jr. | 1983-04-26 |
| 4302399 | Acetylation of crude reaction products containing polymeric colorants | Robert E. Wingard, Jr., Guy A. Crosby | 1981-11-24 |
| 4275002 | Process for preparing polymeric colorants having a poly(vinylamine) backbone | Richard D. Gless, Jr., Robert E. Wingard, Jr. | 1981-06-23 |
| 4250327 | Polymeric yellow colorant | Kenneth M. Otteson, Roman Davis | 1981-02-10 |
| 4233328 | Edible materials colored with polymeric yellow colorant | Kenneth M. Otteson, Roman Davis | 1980-11-11 |
| RE30362 | Process for preparing polyvinylamine and salts thereof | Richard D. Gless, Jr., Robert E. Wingard, Jr. | 1980-08-05 |