Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888442 | Reduction of free monomer in isocyanate adducts | Kenneth L. Dunlap, Clarence D. Ferrell | 1989-12-19 |
| 4879322 | Continuous process for the production of aqueous polyurethane urea dispersions | Arthur W. Mason, Wolfgang Wenzel | 1989-11-07 |
| 4855490 | Liquid polyisocyanate adduct mixtures possessing good compatibility with apolar solvents | George A. Hudson, deceased | 1989-08-08 |
| 4826894 | Aqueous polyurethane-ureas dispersions and their use for the production of coatings having improved humidity resistance | James W. Rosthauser | 1989-05-02 |