Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238605 | Process for the preparation of a stabiliser for halogen-containing polymers | Reiner Fuchs, Kornelia Malzacher | 1993-08-24 |
| 5071898 | Propane-1,3-dione derivatives and their use as stabilizers for polymers containing chlorine | Hermann O. Wirth, Hans-Helmut Friedrich | 1991-12-10 |
| 5030671 | Mercaptobenzoates as stabilizers for chlorine-containing polymers | Wolfgang Wehner | 1991-07-09 |
| 5021491 | Organotin alkoxycarbonylphenyl mercaptides and the use thereof | — | 1991-06-04 |
| 4954546 | PVC resin blend compositions stabilized with lauryltin compounds | Hans Sander | 1990-09-04 |
| 4352903 | Chlorinated thermoplastics stabilized with aminothiouracils | — | 1982-10-05 |
| 4297268 | 1,4-Dihydro-2,6 dimethylyridine-3,5-dicarboxylic acid ester compositions | Rudolf Maul | 1981-10-27 |
| 4290942 | Heat-stabilized chlorine-containing thermoplastic | Rainer Schneider | 1981-09-22 |
| 4285856 | Organo-tin compounds, process for their preparation and their use | Wolfgang Wehner | 1981-08-25 |
| 4214088 | 1,4-Dihydro-2,6-dimethylpyridene-3,5-dicarboxylic esters | Rudolf Maul | 1980-07-22 |
| 4196110 | Stabilized moulding material | Rainer Schneider | 1980-04-01 |
| 4193913 | Thermoplastic vinyl chloride polymers containing monoalkyl-tin-stabilizers | — | 1980-03-18 |