Inventor · disambiguated record
Gunther Weymans
Also filed as: WEYMANS GUENTHER · WEYMANS GUENTHER DR · WEYMANS GUNTHER
28 granted patents·1,204 citations·filing 1989–1994
97Inventor score
Top patents by PatentIndex Score
28 records- 0198US4982014ADihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonatesBAYER AG·Filed 1989·Granted Jan 1, 1991·503 cites·5 claims
- 0295US5126428APolycarbonate from dihydroxy diphenyl cycloalkaneBAYER AG·Filed 1990·Granted Jun 30, 1992·108 cites·9 claims
- 0394US5104723AMixtures of special new polycarbonates with other thermoplastics or with elastomersBAYER AG·Filed 1989·Granted Apr 14, 1992·68 cites·11 claims
- 0492US5109076APolydiorganosiloxane/polycarbonate block cocondensates based on certain dihydroxydiphenylcycloalkanesBAYER AG·Filed 1989·Granted Apr 28, 1992·53 cites·8 claims
- 0590US5235026AContinuous production of polycarbonatesBAYER AG·Filed 1992·Granted Aug 10, 1993·53 cites·2 claims
- 0690US5227458APolycarbonate from dihydroxydiphenyl cycloalkaneBAYER AG·Filed 1992·Granted Jul 13, 1993·65 cites·3 claims
- 0789US5221731AProcess for isolating polycarbonates with co2 under pressureBAYER AG·Filed 1992·Granted Jun 22, 1993·52 cites·3 claims
- 0885US5229486AProcess for isolating polymers from their solvents using liquids containing carbon dioxideBAYER AG·Filed 1991·Granted Jul 20, 1993·37 cites·7 claims
- 0985US5086157AAromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes and films therefromBAYER AG·Filed 1989·Granted Feb 4, 1992·34 cites·10 claims
- 1080US5132154APolycarbonate mixtures in optical applicationsBAYER AG·Filed 1990·Granted Jul 21, 1992·34 cites·9 claims
- 1177US5105004AAromatic ethersBAYER AG·Filed 1990·Granted Apr 14, 1992·23 cites·2 claims
- 1272US5010147AHigh-strength polycarbonate mixturesBAYER AG·Filed 1990·Granted Apr 23, 1991·23 cites·4 claims
- 1368US4964890AAromatic polyether ketonesBAYER AG·Filed 1989·Granted Oct 23, 1990·28 cites·9 claims
- 1466US5363905AMethod of controlling heat exchangers using enthalpy flow as the correcting variableBAYER AG·Filed 1993·Granted Nov 15, 1994·31 cites·5 claims
- 1562US5412060AProcess for the production of polycarbonate of constant viscosityBAYER AG·Filed 1994·Granted May 2, 1995·13 cites·9 claims
- 1657US4994579AAromatic ether imidesBAYER AG·Filed 1989·Granted Feb 19, 1991·4 cites·1 claims
- 1756US5198525AAromatic copolyether sulfonesBAYER AG·Filed 1990·Granted Mar 30, 1993·12 cites·5 claims
- 1848US5258484AProcess for the production of polycarbonateBAYER AG·Filed 1992·Granted Nov 2, 1993·7 cites·8 claims
- 1947US5368699AMethod of controlling the concentrations of a multicomponent mixtureBAYER AG·Filed 1993·Granted Nov 29, 1994·15 cites·8 claims
- 2046US5260418AWashing of polycarbonates with cascading train of centrifugesBAYER AG·Filed 1992·Granted Nov 9, 1993·6 cites·6 claims
- 2144US5149761AAromatic ether imidesBAYER AG·Filed 1990·Granted Sep 22, 1992·2 cites·2 claims
- 2240US5138031ALinear and branched poly-p-arylene sulfide substantially free from defect structures having plural absorption maximaBAYER AG·Filed 1989·Granted Aug 11, 1992·4 cites·19 claims
- 2338US5244544AProcess for the separation of multicomponent systems containing intermediate boiling substances in separating columns with side dischargeBAYER AG·Filed 1992·Granted Sep 14, 1993·8 cites·4 claims
- 2436US5248763AIsolation of poly(ester)carbonates from methylene chloride using carbon dioxide fluidBAYER AG·Filed 1992·Granted Sep 28, 1993·2 cites·1 claims
- 2535US5115076AAromatic copolyether ketones of dihydroxydiphenyl alkanes and phthaleins and a process for their productionBAYER AG·Filed 1990·Granted May 19, 1992·9 cites·6 claims
- 2634US5275758AProduction of ultrafine suspensions of bisphenol, sodium hydroxide and waterBAYER AG·Filed 1992·Granted Jan 4, 1994·5 cites·1 claims
- 2734US5250658AIsolation of polycarbonate with carbon dioxideBAYER AG·Filed 1992·Granted Oct 5, 1993·2 cites·4 claims
- 2829US4954569AUse of homopolycarbonates of 3,3'-dihydroxydiphenyl ether for modifying films of thermoplasticsWEYMANS GUENTHER·Filed 1989·Granted Sep 4, 1990·3 cites·12 claims
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