Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353084 | Biodegradable polyestreramide and a process of preparing | Volker Warzelhan, Gunnar Schornick, Edwin Baumann, Ursula Seeliger, Motonori Yamamoto | 2002-03-05 |
| 5863991 | Biodegradable polymers, the preparation thereof and the use thereof for the production of biodegradable moldings | Volker Warzelhan, Gunnar Schornick, Matthias Kroner, Ursula Seeliger, Motonori Yamamoto | 1999-01-26 |
| 5482998 | Thermoplastic molding materials based on partly aromatic copolyamides and polyolefins | Klaus Muehlbach, Petra Baierweck, Wolfgang Mueller, Gerd Blinne | 1996-01-09 |
| 5106875 | Copolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization products | Peter Horn, Gerd Rehmer, Heinz-Dieter Lutter | 1992-04-21 |
| 5059632 | Novel copolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization products | Peter Horn, Gerd Rehmer, Heinz-Dieter Lutter, Werner Hinz, Hans U. Schmidt | 1991-10-22 |
| RE33291 | Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams | Duane A. Heyman, Oscar M. Grace, Curtis J. Reichel, Robert J. Hartman | 1990-08-07 |
| 4837245 | Process for the preparation of non-cellular or cellular polyurethane elastomers in the presence of a polyester polyol containing therein titanium and/or tin compounds as catalysts | Joachim Streu, Wolfgang Straehle | 1989-06-06 |
| 4690956 | Process for the preparation of graft polymer dispersions and flame-retardant polyurethane foams | Duane A. Heyman, Oscar M. Grace | 1987-09-01 |
| 4689354 | Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams | Duane A. Heyman, Oscar M. Grace, Curtis J. Reichel, Robert J. Hartman | 1987-08-25 |
| 4529746 | Alkylated vicinal toluenediamines and their use as chain extenders in the preparation of polyurethane-polyurea elastomers | Robert A. Markovs, John W. Lightsey, Peter T. Kan | 1985-07-16 |
| 4458038 | Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams | Duane A. Heyman, Oscar M. Grace | 1984-07-03 |
| 4454255 | Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams | Duane A. Heyman, Oscar M. Grace, Curtis J. Reichel, Robert J. Hartman | 1984-06-12 |
| 4359550 | Polyisocyanurate polymers, dispersions, and cellular and non-cellular polyurethane products prepared therefrom | Thirumurti Narayan, Peter T. Kan | 1982-11-16 |
| 4359541 | Process for the preparation of polyisocyanurate dispersions and compositions prepared therefrom | John T. Patton, Jr., Thirumurti Narayan | 1982-11-16 |
| 4334049 | Process for the preparation of finely divided solid polymers in polyol | Duane A. Heyman, Richard A. Moore | 1982-06-08 |
| 4327005 | Process for the preparation of stabilized polymer dispersions in polyol at low temperature | Duane A. Heyman, Richard A. Moore | 1982-04-27 |