Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145966 | Cyclic amides | Alexander Aumueller | 1992-09-08 |
| 5047539 | Heterocyclic amidine derivatives | Peter Spang, Peter Neumann | 1991-09-10 |
| 5017702 | 2,6-polyalkyl-4-piperidylamides, use thereof as stabilizers, in particular for plastics, and organic material containing same | Alexander Aumueller, Peter Neumann | 1991-05-21 |
| 5008312 | 2,6-polyalkylpiperidine-substituted bislactams and their use for the stabilization of organic material, in particular of plastics, and materials stabilized therewith | Alexander Aumueller, Peter Neumann | 1991-04-16 |
| 5008397 | N-substituted benzimidazole-2-carboxanilides | Peter Spang, Peter Neumann, Gerhard Wagenblast | 1991-04-16 |
| 4985566 | Benzimidazole-2-carboxanilides | Peter Spang, Peter Neumann | 1991-01-15 |
| 4981975 | Benzimidazole-2-carboxanilides | Peter Spang, Peter Neumann | 1991-01-01 |
| 4981969 | Polyalkylpiperidine-substituted tetrahydropyridones and use thereof | Alexander Aumueller, Peter Neumann | 1991-01-01 |
| 4980476 | Polyalkylpiperidine-substituted lactams and use thereof as stabilizers for plastics | Alexander Aumueller, Peter Neumann | 1990-12-25 |
| 4976889 | 4-formylaminopiperidine derivatives, their use as stabilizers and organic material stabilized with the said derivatives | Alexander Aumueller, Peter Neumann | 1990-12-11 |
| 4958022 | Polycyclic compounds | Alexander Aumueller, Peter Neumann | 1990-09-18 |
| 4943391 | Bicyclo(3.3.1)nonane derivatives and use in stabilizing organic materials | Alexander Aumueller, Peter Neumann | 1990-07-24 |
| 4940742 | 2,6-polyalkylpiperidine-substituted benzimidazole-2-carboxanilides and their use for stabilizing organic material | Alexander Aumueller, Peter Spang, Peter Neumann | 1990-07-10 |
| 4925888 | Mixture for stabilizing polyurethanes | Alexander Aumueller, Peter Neumann, Peter Spang, Guenter Matzke | 1990-05-15 |
| 4904779 | Heterocycles based on piperazinopiperazine | Peter Neumann, Alexander Aumueller | 1990-02-27 |
| 4837403 | Novel polyalkylpiperidine derivatives having alkylene bridges, use thereof as stabilizers, and intermediates | Alexander Aumueller, Peter Neuman | 1989-06-06 |
| 4835273 | Glycoluril derivatives | Alexander Aumueller, Peter Neumann | 1989-05-30 |
| 4820757 | Polymers photostabilized by novel imidazole-2-carboxanilides | Peter Spang, Peter Neumann, Gerhard Wagenblast | 1989-04-11 |
| 4806580 | Stabilizer mixtures for plastics | Gustav Bock, Wilhelm Weber, Peter Lechtken | 1989-02-21 |
| 4785107 | 3-tert-butyl-4-hydroxyphenylpropionic acid amino-alkylamide derivatives | Reinhard Helwig, Peter Neumann, Herbert Bender, Alexander Aumueller | 1988-11-15 |
| 4769457 | Glycoluril derivatives and their use as stabilizers for polymers | Reinhard Helwig, Alexander Aumueller, Peter Neumann | 1988-09-06 |
| 4703072 | Tetrahydrofurancarboxylic acid derivatives | Reinhard Helwig, Peter Neumann, Alexander Aumueller | 1987-10-27 |
| 4680327 | Stabilizers | Albert Hettche, Stefan Weiss, Peter Lechtken, Michael Horner | 1987-07-14 |
| 4621109 | Polypropylene stabilizing anti-oxidant 2,3-dihydrobenz-4-oxa-1-thiin derivatives, compositions and method of use therefor | Peter Lechtken, Stefan Weiss, Albert Hettche | 1986-11-04 |
| 4604471 | Furan-3-carbohydroxamates and their use | Peter Neumann, Michael Thomas, Stefan Weiss | 1986-08-05 |