Issued Patents All Time
Showing 51–75 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593403 | Additive mixture for improving the mechanical properties of polymers | Dirk Simon, Andreas Steinert | 2003-07-15 |
| 6573347 | Composition and process for controlled radical polymerization using multifunctional initiator/regulator compounds | Wiebke Wunderlich, Raymond Seltzer, James P. Galbo | 2003-06-03 |
| 6569926 | Polymer compound with improved gloss properties | Kornelia Malzacher | 2003-05-27 |
| 6525158 | Process for the stabilization of a stabilizer mixtures for recycled plastic mixtures | Kurt Hoffmann, Heinz Herbst, Hans Sander, Franciszek Sitek | 2003-02-25 |
| 6525151 | Grafting of ethylenically unsaturated monomers onto polymers | Michael Roth | 2003-02-25 |
| 6521710 | Grafting of ethylenically unsaturated monomers onto polymers | Michael Roth, Peter Nesvadba | 2003-02-18 |
| 6469078 | Molecular weight increase and modification of polycondensates | Dirk Simon, Heinz Herbst | 2002-10-22 |
| 6369163 | Pyrrolidinone-containing compatibilizers | Yefim Blyakhman | 2002-04-09 |
| 6362278 | Functionalized polymers | Heinz Herbst, Kurt Hoffmann, Samuel Evans, Alfred Steinmann | 2002-03-26 |
| 6265533 | Increasing the molecular weight of polyesters | Karin Regel, Roland Andernach, Peter Schwarz, Heinz Herbst, Kurt Hoffmann +1 more | 2001-07-24 |
| 6251972 | Process for the stabilization of and stabilizer mixtures for single-material recycled plastics | Kurt Hoffmann, Heinz Herbst, Franciszek Sitek | 2001-06-26 |
| 6133414 | Decomposing polymers using NOR-HALS compounds | Heinz Herbst, Kurt Hoffmann, Raymond Seltzer, Matthew E. Gande | 2000-10-17 |
| 6077891 | Stabilization of damaged thermoplastics | Heinz Herbst, Kurt Hoffmann | 2000-06-20 |
| 6028129 | Increasing the molecular weight of polycondensates and stabilizing them, using diepoxides of sterically hindered amines | Alfred Steinmann, Heinz Herbst, Kurt Hoffmann | 2000-02-22 |
| 6025463 | Increasing the molecular weight of polyamides | Heinz Herbst, Kurt Hoffmann | 2000-02-15 |
| 5985964 | Stabilized polyvinyl chloride containing recycled material | Heinz Herbst, Kurt Hoffmann, Rolf Drewes | 1999-11-16 |
| 5859073 | Polyester/polycarbonate blends having enhanced properties | Kurt Hoffmann, Heinz Herbst | 1999-01-12 |
| 5859102 | Process for the stabilization of and stabilizer mixtures for PVDC-containing polyolefin mixtures | Heinz Herbst, Kurt Hoffmann | 1999-01-12 |
| 5807932 | Increasing the molecular weight of polycondensates | Kurt Hoffmann, Heinz Herbst | 1998-09-15 |
| 5807966 | Increase in molecular weight of polycondensates | Heinz Herbst, Kurt Hoffmann | 1998-09-15 |
| 5804623 | Process for the stabilization of and stablizer mixtures for recycled plastics | Kurt Hoffmann, Heinz Herbst, Hans Sander, Franciszek Sitek | 1998-09-08 |
| 5789470 | Stabilized recycled plastics | Heinz Herbst, Kurt Hoffmann, Franca Masina, Franciszek Sitek | 1998-08-04 |
| 5756596 | Increasing the molecular weight of polyamides | Heinz Herbst, Kurt Hoffmann | 1998-05-26 |
| 5747606 | Increasing the molecular weight of polyesters and premix useful for this process | Kurt Hoffmann, Heinz Herbst | 1998-05-05 |
| 5744554 | Polyester/polycarbonate blends having enhanced properties | Kurt Hoffmann, Heinz Herbst | 1998-04-28 |