Inventor · disambiguated record
Gerd Fengler
Also filed as: FENGLER GERD
22 granted patents·266 citations·filing 1980–1998
95Inventor score
Files withBAYER AG22
Top patents by PatentIndex Score
22 records- 0191US5216113AHighly branched polyphosphonatesBAYER AG·Filed 1990·Granted Jun 1, 1993·66 cites·5 claims
- 0284US6211417B1Process for preparing bis-(4-hydroxyaryl) alkanesBAYER AG·Filed 1998·Granted Apr 3, 2001·26 cites·3 claims
- 0380US5310793AMixtures of polyalkylene terephthalates, new polycarbonates and/or polyester-carbonates and elastomersBAYER AG·Filed 1993·Granted May 10, 1994·28 cites·3 claims
- 0478US6307111B1Method for continuous production of dihydroxydiarylalkanesBAYER AG·Filed 1998·Granted Oct 23, 2001·18 cites·1 claims
- 0574US6191316B1Method for processing mother liquors from the production of bisphenolBAYER AG·Filed 1998·Granted Feb 20, 2001·14 cites·1 claims
- 0670US5122571AMoulding compounds of polyamides and graft polymers containing tert.-butylacrylateBAYER AG·Filed 1989·Granted Jun 16, 1992·20 cites·7 claims
- 0769US4316980AProcess for the preparation of tetramethylated bisphenol polycarbonatesBAYER AG·Filed 1980·Granted Feb 23, 1982·18 cites·9 claims
- 0866US5861107AProcess for the preparation of aliphatic carbonates having a six-membered ringBAYER AG·Filed 1997·Granted Jan 19, 1999·12 cites·22 claims
- 0965US6294702B1Method for continuous production of dihydroxydiphenylalkanesBAYER AG·Filed 1998·Granted Sep 25, 2001·11 cites·1 claims
- 1061US4548934A4H-1,4-Benzothiazine derivativesBAYER AG·Filed 1983·Granted Oct 22, 1985·4 cites·10 claims
- 1155US5276213ASpecial dihydroxydiphenyl bicycloalkanes, their production and their use for the production of high molecular weight polycarbonatesBAYER AG·Filed 1993·Granted Jan 4, 1994·4 cites·4 claims
- 1253US5212280APolycarbonate from special dihydroxydiphenyl bicycloalkaneBAYER AG·Filed 1991·Granted May 18, 1993·7 cites·4 claims
- 1350US5219934APolymers containing sulfonamide units as compatibilizers for polyamide/polycarbonate blendsBAYER AG·Filed 1992·Granted Jun 15, 1993·10 cites·18 claims
- 1447US5104963ATwo-stage process for the production of polycarbonates based on special dihydroxydiphenylalkanesBAYER AG·Filed 1990·Granted Apr 14, 1992·6 cites·6 claims
- 1543US5194497AAlloys of thermoplastic polymers containing oxetanyl groupsBAYER AG·Filed 1991·Granted Mar 16, 1993·5 cites·3 claims
- 1643US4861878A1H-pyrido-(2,3-b) (1,4)-thiazinesBAYER AG·Filed 1986·Granted Aug 29, 1989·3 cites·6 claims
- 1743US4784997A1-H-pyrido-[3,2-b][1,4]-thiazineBAYER AG·Filed 1986·Granted Nov 15, 1988·3 cites·7 claims
- 1836US5399600AStabilized, flame resistant polycarbonate moulding compoundsBAYER AG·Filed 1994·Granted Mar 21, 1995·3 cites·4 claims
- 1936US5252672APolymer blends of polyamides and polymers containing sulfonamide structural unitsBAYER AG·Filed 1991·Granted Oct 12, 1993·4 cites·4 claims
- 2036US4468392ASulphinyl- and sulphonyl-azacycloheptan-2-ones, and their use as feed additivesBAYER AG·Filed 1983·Granted Aug 28, 1984·1 cites·11 claims
- 2134US5155168AMolding compounds containing oxetanyl groupsBAYER AG·Filed 1990·Granted Oct 13, 1992·3 cites·2 claims
- 2230US5252674AThermoplastic graft polymers containing oxetanyl groupsBAYER AG·Filed 1990·Granted Oct 12, 1993·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Gerd Fengler files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →