Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889887 | Gelable acid viscosifiers | You-Ling Fan, James P. Stanley | 1989-12-26 |
| 4873293 | Partially hydrolyzed, poly(N-acyl alkylenimines) in personal care | Frederick M. Merritt, II | 1989-10-10 |
| 4837005 | Partially hydrolyzed, poly(N-acyl)alkylenimines in personal care | Frederick M. Merritt, II | 1989-06-06 |