Issued Patents All Time
Showing 26–50 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017676 | Acetoacetoxyethyl methacrylate in the cure of epoxy resins | — | 1991-05-21 |
| 5010160 | Process for preparing novel diamines | George P. Speranza, Jiang-Jen Lin | 1991-04-23 |
| 4996294 | Preparation of aminotetramines | Wei-Yang Su, George P. Speranza | 1991-02-26 |
| 4994627 | Purification of polyoxyalkylene glycols | Arthur J. Faske | 1991-02-19 |
| 4994621 | Aminated, alkoxylated hydroxyl-terminated polybutadienes | Ernest L. Yeakey, Robert L. Zimmerman | 1991-02-19 |
| 4992590 | Polyamines by amination of polyamino initiated polyoxyalkylene glycols | John M. Larkin, Kathy B. Sellstrom, Robert A. Grigsby, Jr. | 1991-02-12 |
| 4990576 | Tetramines by amination of polyoxyalkylene glycols | Jiang-Jen Lin | 1991-02-05 |
| 4906774 | Process for preparing diamines | George P. Speranza, Jiang-Jen Lin | 1990-03-06 |
| 4904751 | N,N'-dialkyl substituted polyoxyalklene amines as curing agents for blocked isocyanates | George P. Speranza, Jiang-Jen Lin | 1990-02-27 |
| 4888446 | Preparation of polyoxyalkylene glycol amines | Howard P. Klein | 1989-12-19 |
| 4827039 | Nitrilo(tris)polyoxyalkyleneamines in a reaction injection molding process | John M. Larkin | 1989-05-02 |
| 4825000 | Phenyl glycidyl ether modified polyoxyalkylene diamines and epoxy resin compositions therefrom | John M. Larkin, Robert L. Zimmerman, Harold G. Waddill | 1989-04-25 |
| 4797459 | Dispersing agents for producing vinyl polymer polyols utilizing an alkoxylated alkyl or alkylphenyl polyoxyalkylene isopropylamine | — | 1989-01-10 |
| 4785127 | Vinyl polymer polyols made using partially alkoxylated polyoxyalkyleneamines | — | 1988-11-15 |
| 4785026 | Polymer polyols with high solids content | Ernest L. Yeakey | 1988-11-15 |
| 4767836 | Storage stable polyurethane coating | — | 1988-08-30 |
| 4761465 | Difunctional isocyanate-terminated polyoxyalkylene diamine prepolymers and polymer coatings applications | George P. Speranza, Jiang-Jen Lin | 1988-08-02 |
| 4683272 | Polymer polyols derived from novel dispersing media | George P. Speranza | 1987-07-28 |
| 4612335 | Polyoxyalkylene polyether amino alcohols containing a tertiary hydroxyl group and flexible polyurethanes made therefrom | Howard P. Klein | 1986-09-16 |
| 4609685 | Polyether polyols modified with amino alcohol-epoxy resin adducts | Harold G. Waddill | 1986-09-02 |
| 4568717 | Polymer polyols from liquid terephthalic polyester polyols | George P. Speranza | 1986-02-04 |
| 4540768 | Rim elastomers made from terephthalate polyester polyol derived polymer polyols | George P. Speranza, Richard J. G. Dominguez | 1985-09-10 |
| 4539378 | Vinyl polymer polyols made using epoxy resin-modified polyols | Ernest L. Yeakey | 1985-09-03 |
| 4539339 | Polyurethane foams made from vinyl polymer polyols | Ernest L. Yeakey, Bruce W. Peterson | 1985-09-03 |
| 4535189 | Polyol purification process | — | 1985-08-13 |