Inventor · disambiguated record
Erhard Tresper
Also filed as: TRESPER ERHARD
41 granted patents·340 citations·filing 1975–1992
98Inventor score
Files withBAYER AG41
Top patents by PatentIndex Score
41 records- 0183US4734484AProcess for the isolation of polyarylene sulphide from salts contained thereinBAYER AG·Filed 1986·Granted Mar 29, 1988·31 cites·1 claims
- 0282US4110540AProcess for the preparation of multinuclear phenols which are alkylated in the nucleusBAYER AG·Filed 1976·Granted Aug 29, 1978·14 cites·12 claims
- 0380US4210579AThermoplastic mixtures of polypropylene with ethylene/vinyl acetate and ethylene/propylene copolymersBAYER AG·Filed 1979·Granted Jul 1, 1980·27 cites·6 claims
- 0472US4048200A1,1,2-Tris-(o/p-hydroxyphenyl)-1-phenyl-ethanesBAYER AG·Filed 1976·Granted Sep 13, 1977·8 cites·4 claims
- 0571US4352568ATwin-screw machine with screws rotatable in the same directionBAYER AG·Filed 1981·Granted Oct 5, 1982·30 cites·3 claims
- 0669US4985175AElastomer-modified carbon-containing polyarylene sulfide blendsBAYER AG·Filed 1989·Granted Jan 15, 1991·22 cites·10 claims
- 0767US4267127AProcess for the production of phosphoric acid triestersBAYER AG·Filed 1979·Granted May 12, 1981·6 cites·9 claims
- 0865US4460752AReacting polycarbonate resin with aryl chlorocarbonate to improve aging characteristicsBAYER AG·Filed 1982·Granted Jul 17, 1984·17 cites·8 claims
- 0965US4327208AContinuous process for the hydrolytic production of polycaprolactam having a low-monomer and low-dimer contentBAYER AG·Filed 1980·Granted Apr 27, 1982·16 cites·7 claims
- 1063US4186154APolycarbonate mixtures which can be processed as thermoplasticsBAYER AG·Filed 1978·Granted Jan 29, 1980·15 cites·11 claims
- 1155US4999414AProcess for the production of aromatic polyether ketonesBAYER AG·Filed 1989·Granted Mar 12, 1991·9 cites·4 claims
- 1255US4289685AProcess for the preparation of flame-resistant polycarbonatesBAYER AG·Filed 1980·Granted Sep 15, 1981·9 cites·4 claims
- 1354US4775738AProcess for the preparation of polyether-sulphonesBAYER AG·Filed 1986·Granted Oct 4, 1988·9 cites·10 claims
- 1454US4771120APolyarylene sulphide capped with monophenol compoundBAYER AG·Filed 1987·Granted Sep 13, 1988·10 cites·5 claims
- 1553US5037952AProcess for the production of high molecular weight, optionally branched polyarylene sulfidesBAYER AG·Filed 1989·Granted Aug 6, 1991·9 cites·12 claims
- 1653US4639507AProcess for the isolation of polyarylene sulphideBAYER AG·Filed 1985·Granted Jan 27, 1987·8 cites·2 claims
- 1753US4009148AHigh molecular weight polycarbonates of α,α,α,α',α',α'-hexakisaryl-1,3-and/or -1,4-dimethyl benzenesBAYER AG·Filed 1975·Granted Feb 22, 1977·10 cites·10 claims
- 1852US4873326AProcess for the preparation of N-alkylated caprolactamsBAYER AG·Filed 1988·Granted Oct 10, 1989·3 cites·3 claims
- 1952US4070392AProcess for the production of O-derivatives of p-isopropenyl phenolBAYER AG·Filed 1976·Granted Jan 24, 1978·3 cites·31 claims
- 2051US5114791ATwo-component injection molding with polyarylene sulfidesBAYER AG·Filed 1989·Granted May 19, 1992·10 cites·4 claims
- 2151US4059638ATrisphenol processBAYER AG·Filed 1976·Granted Nov 22, 1977·3 cites·3 claims
- 2249US5045585ARapid-crystallizing polyphenylene sulphide compositionsBAYER AG·Filed 1990·Granted Sep 3, 1991·6 cites·2 claims
- 2348US4290977AProcess for the production of neutral phosphoric acid estersBAYER AG·Filed 1979·Granted Sep 22, 1981·2 cites·9 claims
- 2447US4942194ARapid-crystallizing polyphenylene sulphide compositionsBAYER AG·Filed 1987·Granted Jul 17, 1990·6 cites·2 claims
- 2544US5247063AProcess for the purification of polyarylene sulphidesBAYER AG·Filed 1992·Granted Sep 21, 1993·5 cites·1 claims
- 2644US4367330AProcess for the preparation of aromatic polycarbonates by the phase boundary processBAYER AG·Filed 1980·Granted Jan 4, 1983·6 cites·3 claims
- 2743US5055551AProcess for the production of high molecular weight, optionally branched polyarylene sulfides having reduced content of extractable oligomersBAYER AG·Filed 1989·Granted Oct 8, 1991·5 cites·12 claims
- 2843US4356129AProcess for the preparation of neutral phosphorous acid aryl estersBAYER AG·Filed 1980·Granted Oct 26, 1982·5 cites·10 claims
- 2942US4743638ARapid crystallizing polyphenylene sulphide compositionsBAYER AG·Filed 1987·Granted May 10, 1988·5 cites·4 claims
- 3041US4895930AProcess for isolating polyarylene sulphidesBAYER AG·Filed 1988·Granted Jan 23, 1990·4 cites·1 claims
- 3139US4728685ARapid-crystallizing polyphenylene sulphide compositionsBAYER AG·Filed 1987·Granted Mar 1, 1988·4 cites·3 claims
- 3236US5234984APolyphenylene sulphide moulding compounds with improved electrical propertiesBAYER AG·Filed 1990·Granted Aug 10, 1993·5 cites·1 claims
- 3336US4735977ARapidly crystallizing polyphenylene sulphide material containing sulfonic acid esterBAYER AG·Filed 1986·Granted Apr 5, 1988·3 cites·3 claims
- 3436US4080371AProcess for the production of α, α, α, α', α',α'-hexakisaryl-1,3- and -1,4-dimethyl benzenesBAYER AG·Filed 1976·Granted Mar 21, 1978·2 cites·5 claims
- 3535US5306805AProcess for the preparation of polyarylene sulphidesBAYER AG·Filed 1992·Granted Apr 26, 1994·2 cites·12 claims
- 3635US4920201AIsolation of purified solid polyarylene sulfide directly from polymerization solutionBAYER AG·Filed 1988·Granted Apr 24, 1990·2 cites·4 claims
- 3735US3983146AProcess for the production of α, α, α, α', α',α', -hexakisaryl-1,3-and-1,4-dimethyl benzenesBAYER AG·Filed 1975·Granted Sep 28, 1976·2 cites·4 claims
- 3834US5066775ACopoly arylene/alkylene sulfideBAYER AG·Filed 1990·Granted Nov 19, 1991·2 cites·3 claims
- 3932US5066704AFilled thermoplasts with low shrinkage anisotropyBAYER AG·Filed 1990·Granted Nov 19, 1991·1 cites·13 claims
- 4030US4804689AProcess for holding and foaming thermoplastic polyphenylene sulphide articles and the resultant productsBAYER AG·Filed 1987·Granted Feb 14, 1989·2 cites·4 claims
- 4129US5120606ACoatings based on polyarylene sulfidesBAYER AG·Filed 1989·Granted Jun 9, 1992·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →