Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356967 | 6-aryl-6H-dibenzo[c,e][1,2]oxaphosphorine stabilizers for plastics | Manfred Bohshar, Gerhard Pfahler | 1994-10-18 |
| 5319138 | Process for the preparation of pure propanephosphonic anhydride | Gunter Roscher, Harald Berger, Manfred Schmidt, Rainer Uhmann, Dirk Bottger | 1994-06-07 |
| 5298541 | Aryl phosphonites, a process for their production and their use for stabilizing plastics | Manfred Bohshar, Gerhard Pfahler | 1994-03-29 |
| 5298644 | Aryl phosphinites | Dieter Regnat | 1994-03-29 |
| 5283350 | Aryl esters of phosphonous halides and a process for the preparation thereof | Manfred Bohshar | 1994-02-01 |
| 5281640 | Diarylphosphinous acid aryl esters, a process for their preparation and their use for stabilizing plastics | Dieter Regnat, Manfred Bohshar, Gerhard Pfahler | 1994-01-25 |