Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4260691 | Polymeric light stabilizers for plastics | Michael Rasberger | 1981-04-07 |
| 4256627 | Novel light stabilizers for plastics | Paul Moser, Friedrich Karrer | 1981-03-17 |
| 4250268 | Polysilylesters having a polyalkylpiperidine as part of the polymer useful as light stabilizers for plastics | Michael Rasberger | 1981-02-10 |
| 4237297 | Piperidine containing malonic acid derivatives | Friedrich Karrer | 1980-12-02 |
| 4234728 | Polyalkylpiperidine derivatives of s-triazine | Godwin Berner | 1980-11-18 |
| 4234699 | Polymeric light stabilizers for plastics | Michael Rasberger | 1980-11-18 |
| 4234700 | Polymeric light stabilizers for plastics | Michael Rasberger | 1980-11-18 |
| 4234707 | Polymeric light stabilizers for plastics | Erwin Nikles | 1980-11-18 |
| 4234723 | Nickel stabilizers for synthetic polymers | Michael Rasberger, Paul Moser, Helmut Muller | 1980-11-18 |
| 4233410 | Polymeric light stabilizers for plastics | Michael Rasberger | 1980-11-11 |
| 4233412 | Polymeric light stabilizers for plastics | Michael Rasberger | 1980-11-11 |
| 4232131 | Polymeric light stabilizers for plastics | Michael Rasberger | 1980-11-04 |
| 4221701 | Stabilized synthetic polymers | Michael Rasberger | 1980-09-09 |
| 4210578 | 4-Siloxy derivatives of polyalkylated piperidines | Gerd Greber, Helmut Muller | 1980-07-01 |
| 4202816 | Novel light stabilizers | Paul Moser | 1980-05-13 |
| 4199494 | Metal complexes of .alpha.-aminophosphonic acid half-esters and of .alpha.- a | Paul Moser | 1980-04-22 |
| 4191683 | Derivatives of 4-aminopiperidine as stabilizers for polymers | Heimo Brunetti, Nobuo Soma, Tomoyuki Kurumada | 1980-03-04 |
| 4186267 | Nickel stabilizers for synthetic polymers | Michael Rasberger, Paul Moser, Helmut Muller | 1980-01-29 |