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Hans-Rudolf Dicke
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Krefeld-Uerdingen, DE
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last 30 patents
Information
Patent Grant
Aromatic polyether sulfones, a process for their production and the...
Patent number
5,013,815
Issue date
May 7, 1991
Bayer Aktiengesellschaft
Joachim Genz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
End capped thermally stable polyphenylene oxide (PPO)
Patent number
4,981,919
Issue date
Jan 1, 1991
Bayer Aktiengesellschaft
Paul J. Mayska
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of fluoromethylphenols as solvents for LC-polymers, and new flu...
Patent number
4,960,539
Issue date
Oct 2, 1990
Bayer Aktiengesellschaft
Rainer Kuhn
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aromatic polyether ketones
Patent number
4,954,604
Issue date
Sep 4, 1990
Bayer Aktiengesellschaft
Joachim Genz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Solid phase post polymerization condensation of thermotropic polyes...
Patent number
4,954,606
Issue date
Sep 4, 1990
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic polyester imide from N-(3-hydroxy phenyl) trimellitic...
Patent number
4,948,863
Issue date
Aug 14, 1990
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Molding compositions of polycarbonate, thermotropic polymer, graft...
Patent number
4,945,130
Issue date
Jul 31, 1990
Bayer Aktiengesellschaft
Joachim Genz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of mouldings and films from thermotropic...
Patent number
4,923,660
Issue date
May 8, 1990
Bernd Willenberg
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,...
Patent number
4,912,193
Issue date
Mar 27, 1990
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyarylene sulphides
Patent number
4,912,180
Issue date
Mar 27, 1990
Bayer Aktiengesellschaft
Ernst-Ulrich Dorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyarylene sulphides
Patent number
4,906,712
Issue date
Mar 6, 1990
Bayer Aktiengesellschaft
Ernst-Ulrich Dorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic polyesterimide from N-carboxyalkylene trimellitimide h...
Patent number
4,861,857
Issue date
Aug 29, 1989
Bayer Aktiengesellschaft
Hans-Rytger Kricheldorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polymers with high elongation at break, proce...
Patent number
4,835,243
Issue date
May 30, 1989
Volker Eckhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyesters having a high deflection temperatu...
Patent number
4,806,619
Issue date
Feb 21, 1989
Bayer Aktiengesellschaft
Volker Eckhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyester with high thermal stability
Patent number
4,801,677
Issue date
Jan 31, 1989
Bayer Aktiengesellschaft
Volker Eckhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic polycarbonate branched with tetra-hydroxyaryl-bis-qui...
Patent number
4,797,467
Issue date
Jan 10, 1989
Bayer Aktiengesellschaft
Volker Eckhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermotropic, fully aromatic polyesters with excellent figidity and...
Patent number
4,780,525
Issue date
Oct 25, 1988
Bayer Aktiengesellschaft
Volker Eckhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic polyesters, processes for their preparation, and their use...
Patent number
4,743,674
Issue date
May 10, 1988
Bayer Aktiengesellschaft
Walter Heitz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tetra-(hydroxyaryl)-bis-quinoxalines and preparation thereof
Patent number
4,739,058
Issue date
Apr 19, 1988
Bayer Aktiengesellschaft
Volker Eckhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of bis-hydroxyphenyl-n-alkanes, new bis...
Patent number
4,716,252
Issue date
Dec 29, 1987
Bayer Aktiengesellschaft
Rudolf Wagner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy b...
Patent number
4,701,515
Issue date
Oct 20, 1987
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyesters having high mechanical properties...
Patent number
4,667,011
Issue date
May 19, 1987
Bayer Aktiengesellschaft
Volker Eckhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyimide esters of trimellitic acid
Patent number
4,631,333
Issue date
Dec 23, 1986
Bayer Aktiengesellschaft
Hans R. Kricheldorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyesters with high rigidity, a process for...
Patent number
4,614,789
Issue date
Sep 30, 1986
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyesters having high rigidity and toughness...
Patent number
4,603,190
Issue date
Jul 29, 1986
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyesters with good rigidity and toughness,...
Patent number
4,600,764
Issue date
Jul 15, 1986
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic, aromatic polyesters having good mechanical strength,...
Patent number
4,599,395
Issue date
Jul 8, 1986
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyesters having a high tenacity and an impr...
Patent number
4,564,669
Issue date
Jan 14, 1986
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic, wholly aromatic polyesters
Patent number
4,536,561
Issue date
Aug 20, 1985
Bayer Aktiengesellschaft
Manfred Schmidt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...