Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746723 | Process for the production of a polyphenylene ether protected from molecular weight degradation | Martin Bartmann, Klaus Bevers | 1988-05-24 |
| 4728693 | Impact-resistant thermoplastic molding compounds based on polyphenylene ethers, polyoctenylenes and polyamides | Michael Droscher, Hans Jadamus, Wolfgang Neugebauer, Martin Bartmann, Roland Feinauer +3 more | 1988-03-01 |
| 4659803 | Process for purifying polyphenylene oxides obtained by interruption of the copper-amine catalyzed polycondensation of ortho-disubstituted phenols | Martin Bartmann, Hanns-Jorg Bax, Wilfried Ribbing, Srinivasan Sridhar | 1987-04-21 |
| 4626585 | Method of producing a polyphenylene ether protected against molecular weight degradation, where the copper salt employed in the coupling reaction can be reused | Martin Bartmann | 1986-12-02 |
| 4601851 | Cyclododec-2-enyl ethers in fragrance compositions | Martin Bartmann | 1986-07-22 |
| 4555550 | Molding compositions based on high molecular weight polyether ester amides | Michael Droescher, Salih Mumcu, Christian Gerth, Horst Heuer | 1985-11-26 |
| 4550148 | Molding compositions based on high molecular weight polyalkylene terephthalates | Michael Droescher, Christian Gerth, Horst Heuer | 1985-10-29 |
| 4537948 | Process for the production of polyphenylene oxides | Martin Bartmann, Hanns-Jorg Bax, Wilfried Ribbing | 1985-08-27 |
| 4521554 | Polybutylene terephthalate molding composition with high cold impact strength and amenable to thermoplastic processing | Michael Droscher, Christian Gerth | 1985-06-04 |
| 4496713 | Molding compositions with high toughness and hot-water resistance | Gernot Horlbeck | 1985-01-29 |
| 4440923 | Method of producing high-molecular weight polyphenylene oxides | Martin Bartmann, Hanns-Jorg Bax, Wilfried Ribbing | 1984-04-03 |
| 4429106 | Method of producing polyphenylene oxides using morpholinium bromide as activator | Martin Bartmann, Hanns-Jorg Bax, Wilfried Ribbing | 1984-01-31 |
| 4359588 | Odoriferous aliphatic ethers of hydroxymethylcyclododecane | Werner Otte | 1982-11-16 |
| 4328059 | High-molecular weight linear polyesters and a process for preparing them | Gernot Horlbeck | 1982-05-04 |
| 4317942 | Odoriferous 2-alkoxyethyl-cycloalkyl-ethers | — | 1982-03-02 |
| 4218549 | Thermoplastic molding compositions having improved _flexibility and cold impact strength based upon polyamides from _omega-aminocarboxylic acids and/or lactams having at least 10 carbon atoms | Hans Jadamus, Salih Mumcu, Rainer Feldmann, Roland Feinauer | 1980-08-19 |
| 4208527 | Process for the manufacture of high molecular weight poly-(ethylene terephthalate) | Gernot Horlbeck, Roland Feinauer | 1980-06-17 |
| 4207410 | Method for the preparation and use of polyether ester amides with units of the starting components randomly distributed in the polymer chain | Salih Mumcu, Rainer Feldmann, Hans Jadamus, Roland Feinauer | 1980-06-10 |
| 4200732 | Process for preparing very viscous heat stable poly(butylene terephthalate) | Gernot Horlbeck | 1980-04-29 |