Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228911 | Light-stabilized flameproof styrene homopolymers and copolymers | — | 2001-05-08 |
| 6060545 | Stabilizer mixture for organic materials | — | 2000-05-09 |
| 5772921 | Synergistic mixture consisting of a 2,4-dimethyl-6-S-alkylphenol and a sterically hindered phenol | Kurt Stinsky | 1998-06-30 |
| 5616780 | Bisphenol ester derivatives | Rita Pitteloud | 1997-04-01 |
| 5602196 | Bisphenol ester derivatives | Rita Pitteloud | 1997-02-11 |
| 5473003 | Alkanediphenols | Rita Pitteloud, Paul Dubs | 1995-12-05 |
| 5290867 | Process for producing an emulsion graft copolymer | Kurt Stinsky | 1994-03-01 |
| 5288777 | Process for the preparation of stabilized styrene copolymers containing elastomer particles | Gerhard Rytz, Werner Stauffer, Margot Clauss | 1994-02-22 |
| 5194465 | Stabilized styrene copolymers containing elastomer particles modified with a hindered amine | Gerhard Rytz, Werner Stauffer, Margot Clauss | 1993-03-16 |
| 5135986 | Stabilized styrene copolymers containing elastomer particles | Rolf Mulhaupt, Gerhard Rytz, Mario Slongo | 1992-08-04 |
| 4439615 | Mercaptophenol stabilizers | Siegfried Rosenberger, Samuel Evans | 1984-03-27 |