Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764731 | Process for the preparation of a rubber article having an outer polymer-coated surface and an inner chlorinated surface | Zhixin Li, Joseph B. Gardner | 2004-07-20 |
| 6306378 | Catalyzed water-soluble/dispersible reactive derivatives of polyimido compounds for modifying proteinaceous substrates | Jacob J. Guth, Samuel Vona, John S. Thomaides | 2001-10-23 |
| 6051527 | Aminopropylbis(aminoethyl) ether compositions for the production of polyurethanes | Richard Paul Underwood, Richard Van Court Carr, James Stephen Emerick, Mark Leo Listemann | 2000-04-18 |
| 5874483 | Aminopropylbis (aminoethyl) ether compositions for the production of polyurethanes | Richard Paul Underwood, Richard Van Court Carr, James Stephen Emerick, Mark Leo Listemann | 1999-02-23 |
| 5756558 | Hydroxyalkylbis(aminoethyl) ether compositions for the production of polyurethanes | Richard Paul Underwood, Richard Van Court Carr, James Stephen Emerick | 1998-05-26 |
| 5633293 | Hydroxy-functional triamine catalyst compositions for polyurethane production | Richard Van Court Carr, Mark Leo Listemann | 1997-05-27 |
| 5559161 | Hydroxy-functional triamine catalyst compositions for the production of polyurethanes | Herbert Charles Klotz, Kevin Rodney Lassila, Mark Leo Listemann, Kristen Elaine Minnich | 1996-09-24 |
| 5539007 | Catalyst compositions for making polyurethane based on imidazoles and boron compounds | Mark Leo Listemann, Lisa Ann Mercando | 1996-07-23 |
| 5512603 | Hydroxy and amino functional pyrrolizidine catalyst compositions for the production of polyurethanes | Richard Van Court Carr, Kevin Rodney Lassila, Mark Leo Listemann, Lisa Ann Mercando, Kristen Elaine Minnich +1 more | 1996-04-30 |
| 5508314 | Hydroxyl group-containing blowing catalyst compositions for the production of polyurethanes | Mark Leo Listemann, Kevin Rodney Lassila, Kristen Elaine Minnich | 1996-04-16 |
| 5356942 | Hydroxyl group-containing amine-boron adducts as reduced odor catalyst compositions for the production of polyurethanes | Michael Louie, Mark Leo Listemann | 1994-10-18 |
| 5322940 | Amine-boron adducts as reduced odor catalyst compositions for the production of polyurethanes | Michael Louie | 1994-06-21 |
| 5308880 | Tin catalysts for use in rim polyol blends containing acidic internal mold release agents and diethyltoluenediamine chain extender | John E. Dewhurst, James D. Nichols | 1994-05-03 |
| 5288864 | Quaternary ammonium carboxylate inner salt compositions as controlled activity catalysts for making polyurethane foam | James D. Nichols, Mark Leo Listemann | 1994-02-22 |
| 5248646 | Amine-boron adducts as reduced odor catalyst compositions for the production of polyurethanes | Michael Louie | 1993-09-28 |
| 5240970 | Quaternary ammonium carboxylate inner salt compositions as controlled activity catalysts for making polyurethane foam | James D. Nichols, Mark Leo Listemann | 1993-08-31 |
| 5238894 | Hydroxyl group-containing amine-boron adducts as reduced odor catalyst compositions for the production of polyurethanes | Michael Louie, Mark Leo Listemann | 1993-08-24 |
| 5236964 | Process for preparing reduced density, water blown MDI-based polyurethane foams | Alan M. Franson | 1993-08-17 |
| 5233039 | Non-fugitive gelling catalyst compositions for making polyurethane foams | Mark Leo Listemann, Kristen Elaine Minnich, Kevin Rodney Lassila | 1993-08-03 |
| 5212306 | Amine-borate and amine-boron halide complexes as catalyst compositions for the production of polyurethanes | Mark Leo Listemann | 1993-05-18 |
| 5194609 | 3-quinuclidinol catalyst compositions for making polyurethane foams | Mark Leo Listemann | 1993-03-16 |
| 5177046 | Amine-boron adducts as reduced odor catalyst compositions for the production of polyurethanes | Michael Louie | 1993-01-05 |
| 5166223 | Hydroxyl group-containing amine-boron adducts are reduced odor catalyst compositions for the production of polyurethanes | Michael Louie, Mark Leo Listemann | 1992-11-24 |
| 5162562 | Preparation of metallated and substituted alkynes | Frederick L. Herman, Mark Leo Listemann | 1992-11-10 |
| 5162379 | Amine-boron adducts as reduced odor catalyst compositions for the production of polyurethanes | Michael Louie | 1992-11-10 |