Issued Patents All Time
Showing 176–181 of 181 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217437 | Process for the preparation of carbonic acid bis-diphenol esters of polyalkylene oxide-diols lengthened via carbonate groups and their use for the preparation of high-molecular, segmented polyether/polycarbonates which can be processed as thermoplastics | Manfred Schreckenberg, Christian Lindner, Carlhans Suling, Herbert Bartl, Klaus Konig | 1980-08-12 |
| 4216298 | Process for the preparation of carbonic acid bis-diphenol esters of polyester-diols and their use for the preparation of high-molecular segmented polyester/polycarbonates which can be processed as thermoplastics | Manfred Schreckenberg, Christian Lindner, Carlhans Suling, Herbert Bartl, Klaus Konig | 1980-08-05 |
| 4208489 | Polycarbonate molding compositions with improved flame-repellency | Manfred Schmidt, Wolfgang Cohnen, Frank Kleiner, Karsten-Josef Idel | 1980-06-17 |
| 4196276 | High-molecular weight, segmented, polycarbonate elastomers | Manfred Schreckenberg, Klaus Konig, Volker Serini | 1980-04-01 |
| 4191705 | Process for the preparation of carbonic acid esters of polyester-polyols | Christian Lindner, Carlhans Suling, Herbert Bartl, Manfred Schreckenberg, Klaus Konig | 1980-03-04 |
| 4182697 | Process for the preparation of boron-containing phenol-formaldehyde resins | Manfred Schmidt, Hermann Fries, Erich Esch | 1980-01-08 |