Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12006413 | Polymer polyols, processes for their preparation, and the use thereof to produce foams exhibiting resistance to combustion | Rick L. Adkins, Shriniwas S. Chauk | 2024-06-11 |
| 10961347 | Process for preparing polyoxyalkylene polyols by the continuous addition of starter | Edward P. Browne, Anthony R. Loveday | 2021-03-30 |
| 10851197 | Base-catalyzed, long-chain, active polyethers from short chain DMC-catalyzed starters | Jack R. Reese, Edward P. Browne, Steven J. Rodberg, Brian L. Neal | 2020-12-01 |
| 10738155 | Product-to-product process for preparation of low viscosity polyoxyalkylene polyols | Jack R. Reese, Edward P. Browne, Yue Yang | 2020-08-11 |
| 10723830 | Product-to-product process for preparation of low viscosity polyoxyalkylene polyether polyols | Jack R. Reese, Edward P. Browne, Yue Yang | 2020-07-28 |
| 10723829 | Product-to-product process for preparation of low viscosity polyoxyalkylene polyols | Jack R. Reese, Edward P. Browne, Yue Yang | 2020-07-28 |
| 10669368 | Method to increase the resistance of double metal cyanide catalysts to deactivation | Edward P. Browne | 2020-06-02 |
| 9051412 | Base-catalyzed, long chain, active polyethers from short chain DMC-catalyzed starters | Jack R. Reese, Edward P. Browne, Steven J. Rodberg, Brian L. Neal | 2015-06-09 |
| 8987396 | Active polymer polyols and a process for their production | Rick L. Adkins, Stanley L. Hager | 2015-03-24 |
| 8877863 | Process for production of polymer polyols | John E. Hayes | 2014-11-04 |
| 8470927 | Process for production of polymer polyols | John E. Hayes | 2013-06-25 |
| 7323605 | Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters | Kenneth G. McDaniel, Edward P. Browne, George Combs, Don S. Wardius | 2008-01-29 |
| 6776925 | Process for the preparation of polyether polyols | Jörg Hofmann, Stephan Ehlers, Bernd Klinksiek, Lars Obendorf, Christian Steinlein +1 more | 2004-08-17 |
| 6670406 | Process for producing polyether polyols | Jörg Hofmann, Stephan Ehlers, Bernd Klinksiek, Bert Klesczewski, Christian Steinlein +2 more | 2003-12-30 |
| 6083420 | Method for decreasing the propensity for phase-out of the high molecular weight component of double metal cyanide-catalyzed high secondary hydroxyl polyoxypropylene polyols | Jeffrey J. Lear, Oliver D. Sloan | 2000-07-04 |
| 5958994 | Method for decreasing the propensity for phase-out of the high molecular weight component of double metal cyanide-catalyzed high secondary hydroxyl polyoxypropylene polyols | Jeffrey J. Lear, Oliver D. Sloan | 1999-09-28 |
| 5919988 | Foam test for double metal cyanide-catalyzed polyols | Veril C. Jividen | 1999-07-06 |
| 5777177 | Preparation of double metal cyanide-catalyzed polyols by continuous addition of starter | — | 1998-07-07 |
| 5773525 | Process of oxyalkylation employing solid, heterogeneous oxyalkylation catalysts | — | 1998-06-30 |
| 5689012 | Continuous preparation of low unsaturation polyoxyalkylene polyether polyols with continuous additon of starter | T. Thomas Shih | 1997-11-18 |
| 5679764 | Process of oxyalkylation employing solid, heterogeneous MgO catalyst | — | 1997-10-21 |
| 5491210 | Thermally reversible polymers | Fidelis C. Onwumere | 1996-02-13 |
| 5364973 | Productive process for making conventional and low-unsaturation polyether polyols | — | 1994-11-15 |
| 5219974 | Thermally reversible polymer sheets and method of forming the same | Fidelis C. Onwumere | 1993-06-15 |
| 4963638 | Superabsorbent thermoplastic compositions and nonwoven webs prepared therefrom | Sharon Linda Greene, Augusto Rodriguez | 1990-10-16 |