Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342687 | N-Substituted perhydrodioxazepines useful as polyurethane catalysts | Robert L. Zimmerman | 1982-08-03 |
| 4310634 | Novel polyisocyanurate catalyst | Robert L. Zimmerman | 1982-01-12 |
| 4287363 | Preparation of N-(alkylaminoalkyl)acrylamides | — | 1981-09-01 |
| 4286072 | Novel polyisocyanurate catalysts | Robert L. Zimmerman | 1981-08-25 |
| 4265821 | Substituted alkylene oxides from substituted alkylene carbonates | Robert M. Gipson | 1981-05-05 |
| 4259259 | Preparation of .beta.-aminopropionamides | — | 1981-03-31 |
| 4256665 | Preparation of .beta.-aminopropionamides | — | 1981-03-17 |
| 4256666 | Preparation of .beta.-aminopropionamides | — | 1981-03-17 |
| 4251637 | Tertiary amino substituted oxazolidines as polyisocyanurate catalysts | Robert L. Zimmerman, Howard P. Klein | 1981-02-17 |
| 4239916 | Isocyanurate foam catalyst | Robert L. Zimmerman, Howard P. Klein | 1980-12-16 |