Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161813 | Sterically hindered amines | Kai-Uwe Schoening, Shrirang Hindalekar | 2021-11-02 |
| 10040762 | Sterically hindered amines | Kai-Uwe Schoning, Shrirang Hindalekar | 2018-08-07 |
| 9187476 | Process for manufacturing naphthyridine derivatives | Stefan Abele, Gunther Schmidt, Heinz Steiner | 2015-11-17 |
| 9045430 | Sterically hindered amines | Kai-Uwe Schoening, Shrirang Hindalekar | 2015-06-02 |
| 7947831 | Sulfoxides or sulfones grafted onto polymers | Gerrit Knobloch, Pierre Rota-Graziosi, Samuel Evans, Paul Dubs, Michèle Gerster | 2011-05-24 |
| 7799951 | Non-staining antidegradants for vulcanized elastomers | Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi | 2010-09-21 |
| 7790793 | Amide nucleating agent compositions | Hans-Werner Schmidt, Markus Blomenhofer, Klaus Stoll | 2010-09-07 |
| 7790897 | Graftable hindered amine light stabilizers | Gerrit Knobloch | 2010-09-07 |
| 7504510 | Graftable hindered amine light stabilizers | Gerrit Knobloch | 2009-03-17 |
| 7217841 | Stabilizers and antiozonants for elastomers | Gerrit Knobloch, Samuel Evans | 2007-05-15 |
| 7160955 | Sulfoxides or sulfones grafted onto polymers | Gerrit Knobloch, Pierre Rota-Graziosi, Samuel Evans, Paul Dubs, Michèle Gerster | 2007-01-09 |
| 6797755 | Stabilizers and antiozonants for elastomers | Gerrit Knobloch, Samuel Evans | 2004-09-28 |
| 6596796 | Stabilizers for emulsion crude rubbers, synthetic latex and natural rubber latex | Gerrit Knobloch, Paul Dubs, Samuel Evans | 2003-07-22 |
| 6365653 | Thiodipropionic acid bisamides as stabilizers for nonblack elastomers | Gerrit Knobloch | 2002-04-02 |
| 6365781 | Process for the preparation of mercaptomethylphenois | Fabio Pizzoli, Reto Luisoli, Gerrit Knobloch | 2002-04-02 |
| 6140397 | Stabilizers and anti-ozonants for elastomers | Gerrit Knobloch, Peter Nesvadba | 2000-10-31 |
| 6028131 | Antioxidants containing phenol groups and aromatic amine groups | Gerrit Knobloch | 2000-02-22 |
| 5852090 | Norbornene-substituted bisphenol antioxidants | Andreas Muhlebach | 1998-12-22 |
| 5427701 | Substituted phenols as stabilizers | Samuel Evans, Paul Dubs | 1995-06-27 |
| 5376290 | Substituted phenols as stabilizers | Samuel Evans, Paul Dubs | 1994-12-27 |
| 5340855 | N-methylated bis-4-piperidylphosphite | Peter Hofmann | 1994-08-23 |
| 5258433 | Sulfoxides of alkylthiomethylphenols | Paul Dubs | 1993-11-02 |
| 5239076 | N-methylated bis-4-piperidylphosphite | Peter Hofmann | 1993-08-24 |
| 5169950 | Processes for preparing phenolic benzothiazole derivatives | Adalbert Braig, David G. Leppard, Robert C. Wasson, Emyr Phillips | 1992-12-08 |
| 5167846 | Sulfoxides of bisthiomethylated and tristhiomethylated phenols | Rita Pitteloud | 1992-12-01 |