Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562134 | Catalyst for the production of polyols having lower amounts of high molecular weight tail | George Combs | 2017-02-07 |
| 9562135 | Polyether carbonates by DMC catalysis | — | 2017-02-07 |
| 9493608 | DMC catalyzed alkoxylation of esters | Rick L. Adkins, Don S. Wardius | 2016-11-15 |
| 8134022 | Polyether carbonate polyols made via double metal cyanide (DMC) catalysis | Karl W. Haider, John E. Hayes, Jianzhong Shen | 2012-03-13 |
| 7977501 | Polyether carbonate polyols made via double metal cyanide (DMC) catalysis | Karl W. Haider, John E. Hayes, Jianzhong Shen | 2011-07-12 |
| 7473677 | High productivity process for alkylphenol ethoxylates | James R. Reese | 2009-01-06 |
| 7323605 | Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters | Jose F. Pazos, Edward P. Browne, George Combs, Don S. Wardius | 2008-01-29 |
| 6821308 | Polyoxyalkylene monoethers with reduced water affinity | George Combs | 2004-11-23 |
| 6077978 | Direct polyoxyalkylation of glycerine with double metal cyanide catalysis | Mark J. Perry, John E. Hayes | 2000-06-20 |
| 6034208 | Copolymers useful as cement additives and a process for their preparation | Edward T. Shawl, Xinhau Zhou | 2000-03-07 |
| 5990232 | Stabilizers for polymer polyols | Jianzhong Shen, John E. Hayes, Uli B. Holeschovsky, Harry R. Hinney | 1999-11-23 |
| 5854386 | Stabilizers for polymer polyols | Jianzhong Shen, John E. Hayes, Uli B. Holeschovsky, Harry R. Hinney | 1998-12-29 |
| 5725654 | Cement composition | Edward T. Shawl, Xinhau Zhou | 1998-03-10 |
| 5157057 | Rim compositions using amino acid salt catalysts | Maureen T. Pence | 1992-10-20 |
| 4902816 | Polyols from phthalic compounds | — | 1990-02-20 |
| 4760100 | Terephthalic ester polyols modified with ethoxylated amines and amides and rigid foams therefrom | — | 1988-07-26 |
| 4654376 | Polyurethane foams based on amino polyols | Michael E. Brennan, Howard P. Klein | 1987-03-31 |
| 4644019 | Modified terephthalic ester polyols and rigid foams therefrom | — | 1987-02-17 |
| 4642319 | Modified terephthalic ester polyols and rigid foams therefrom | — | 1987-02-10 |
| 4499264 | Preparation of amino polyols | — | 1985-02-12 |
| 4463192 | Process for the reduction of an N-hydrocarbyl substituted oxazolidine with carbon monoxide to form the corresponding N-hydrocarbyl substituted alkanolamine | Roger G. Duranleau | 1984-07-31 |
| 4442237 | Novel aromatic amide polyols from the reaction of phthalic acid residues, alkylene glycols and amino alcohols | Robert L. Zimmerman | 1984-04-10 |
| 4383102 | Method for producing a low viscosity spray polyol by reacting an alkylene oxide with the reaction product of a phenol, an amine and a smaller formaldehyde portion | George P. Speranza | 1983-05-10 |
| 4381353 | Sprayed polyurethane foams employing reactive amines to improve the foam surface | — | 1983-04-26 |
| 4243760 | Reaction injection molded polyurethane | Doris M. Rice, Michael Cuscurida | 1981-01-06 |