Volker Eckhardt

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of low-melting polymers containing at le...
- Patent number 5,136,013
- Issue date Aug 4, 1992
- Bayer Aktiengesellschaft
- Dieter Arlt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stiff-chain polyheterocycles having improved solubility, a process...
- Patent number 5,134,219
- Issue date Jul 28, 1992
- Bayer Aktiengesellschaft
- Hans R. Kricheldorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic ethers
- Patent number 5,105,004
- Issue date Apr 14, 1992
- Bayer Aktiengesellschaft
- Knud Reuter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Copolycarbonate from mixture of polyarylene diol
- Patent number 5,084,550
- Issue date Jan 28, 1992
- Bayer Aktiengesellschaft
- Ralf Pakull
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bifunctional stilbene compounds containing at least one Z-configura...
- Patent number 5,068,300
- Issue date Nov 26, 1991
- Bayer Aktiengesellschaft
- Dieter Arlt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of aromatic polyether ketones
- Patent number 5,053,477
- Issue date Oct 1, 1991
- Bayer Aktiengesellschaft
- Sabine Kern
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic, fully aromatic polyesters prepared by polycondensatio...
- Patent number 5,037,939
- Issue date Aug 6, 1991
- Bayer Aktiengesellschaft
- Volker Eckhardt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of bifunctional OH-terminated polyphenyl...
- Patent number 5,021,543
- Issue date Jun 4, 1991
- Bayer Aktiengesellschaft
- Paul J. Mayska
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of aromatic polyether ketones
- Patent number 4,999,414
- Issue date Mar 12, 1991
- Bayer Aktiengesellschaft
- Joachim Genz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic polyesters, a process for their production and their u...
- Patent number 4,985,532
- Issue date Jan 15, 1991
- Bayer Aktiengesellschaft
- Ralf Pakull
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic, fully aromatic polyesters having a low processing tem...
- Patent number 4,970,286
- Issue date Nov 13, 1990
- Bayer Aktiengesellschaft
- Joachim Genz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Thermotropic aromatic polyesters, a process for their production an...
- Patent number 4,931,534
- Issue date Jun 5, 1990
- Bayer Aktiengesellschaft
- Ralf Pakull
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
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 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-...

Volker Eckhardt

Person

Patents Grantslast 30 patents

Process for the production of low-melting polymers containing at le...

Stiff-chain polyheterocycles having improved solubility, a process...

Aromatic ethers

Copolycarbonate from mixture of polyarylene diol

Bifunctional stilbene compounds containing at least one Z-configura...

Process for the production of aromatic polyether ketones

Thermotropic, fully aromatic polyesters prepared by polycondensatio...

Process for the production of bifunctional OH-terminated polyphenyl...

Process for the production of aromatic polyether ketones

Thermotropic polyesters, a process for their production and their u...

Thermotropic, fully aromatic polyesters having a low processing tem...

Process for the production of aromatic polyether ketones

Solid phase post polymerization condensation of thermotropic polyes...

Thermotropic polyester imide from N-(3-hydroxy phenyl) trimellitic...

Thermotropic aromatic polyesters, a process for their production an...

Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,...

Process for the preparation of polyarylene sulphides

Process for the preparation of polyarylene sulphides

Thermotropic polyesterimide from N-carboxyalkylene trimellitimide h...

Thermotropic aromatic polymers with high elongation at break, proce...

Thermotropic aromatic polyesters having a high deflection temperatu...

Thermotropic aromatic polyester with high thermal stability

Thermoplastic polycarbonate branched with tetra-hydroxyaryl-bis-qui...

Thermotropic, fully aromatic polyesters with excellent figidity and...

Tetra-(hydroxyaryl)-bis-quinoxalines and preparation thereof

Process for the preparation of bis-hydroxyphenyl-n-alkanes, new bis...

Thermotropic aromatic polyesters having high mechanical properties...