Gunther Weymans

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of polycarbonate of constant viscosity
- Patent number 5,412,060
- Issue date May 2, 1995
- Bayer Aktiengesellschaft
- Claus Wulff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of controlling the concentrations of a multicomponent mixture
- Patent number 5,368,699
- Issue date Nov 29, 1994
- Bayer Aktiengesellschaft
- Franz F. Rhiel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of controlling heat exchangers using enthalpy flow as the co...
- Patent number 5,363,905
- Issue date Nov 15, 1994
- Bayer Aktiengesellschaft
- Franz F. Rhiel
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Production of ultrafine suspensions of bisphenol, sodium hydroxide...
- Patent number 5,275,758
- Issue date Jan 4, 1994
- Bayer Aktiengesellschaft
- Claus Wulff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Washing of polycarbonates with cascading train of centrifuges
- Patent number 5,260,418
- Issue date Nov 9, 1993
- Bayer Aktiengesellschaft
- Claus Wulff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polycarbonate
- Patent number 5,258,484
- Issue date Nov 2, 1993
- Bayer Aktiengesellschaft
- Reinhard Schomacker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isolation of polycarbonate with carbon dioxide
- Patent number 5,250,658
- Issue date Oct 5, 1993
- Bayer Aktiengesellschaft
- Hanns-Ingolf Paul
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isolation of poly(ester)carbonates from methylene chloride using ca...
- Patent number 5,248,763
- Issue date Sep 28, 1993
- Bayer Aktiengesellschaft
- Jurgen Kirsch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the separation of multicomponent systems containing int...
- Patent number 5,244,544
- Issue date Sep 14, 1993
- Bayer Aktiengesellschaft
- Lothar Lang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuous production of polycarbonates
- Patent number 5,235,026
- Issue date Aug 10, 1993
- Bayer Aktiengesellschaft
- Claus Wulff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for isolating polymers from their solvents using liquids co...
- Patent number 5,229,486
- Issue date Jul 20, 1993
- Bayer Aktiengesellschaft
- Hanns-Ingolf Paul
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate from dihydroxydiphenyl cycloalkane
- Patent number 5,227,458
- Issue date Jul 13, 1993
- Bayer Aktiengesellschaft
- Dieter Freitag
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating polycarbonates with CO.sub.2 under pressure
- Patent number 5,221,731
- Issue date Jun 22, 1993
- Bayer Aktiengesellschaft
- Gunther Weymans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic copolyether sulfones
- Patent number 5,198,525
- Issue date Mar 30, 1993
- Bayer Aktiengesellschaft
- Knud Reuter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic ether imides
- Patent number 5,149,761
- Issue date Sep 22, 1992
- Bayer Aktiengesellschaft
- Knud Reuter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Linear and branched poly-p-arylene sulfide substantially free from...
- Patent number 5,138,031
- Issue date Aug 11, 1992
- Bayer Aktiengesellschaft
- Ernst-Ulrich Dorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate mixtures in optical applications
- Patent number 5,132,154
- Issue date Jul 21, 1992
- Bayer Aktiengesellschaft
- Uwe Westeppe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate from dihydroxy diphenyl cycloalkane
- Patent number 5,126,428
- Issue date Jun 30, 1992
- Bayer Aktiengesellschaft
- Dieter Freitag
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic copolyether ketones of dihydroxydiphenyl alkanes and phtha...
- Patent number 5,115,076
- Issue date May 19, 1992
- Bayer Aktiengesellschaft
- Knud Reuter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polydiorganosiloxane/polycarbonate block cocondensates based on cer...
- Patent number 5,109,076
- Issue date Apr 28, 1992
- Bayer Aktiengesellschaft
- Dieter Freitag
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixtures of special new polycarbonates with other thermoplastics or...
- Patent number 5,104,723
- Issue date Apr 14, 1992
- Bayer Aktiengesellschaft
- Dieter Freitag
- 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
Aromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alka...
- Patent number 5,086,157
- Issue date Feb 4, 1992
- Bayer Aktiengesellschaft
- Knud Reuter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High-strength polycarbonate mixtures
- Patent number 5,010,147
- Issue date Apr 23, 1991
- Bayer Aktiengesellschaft
- Uwe Westeppe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic ether imides
- Patent number 4,994,579
- Issue date Feb 19, 1991
- Bayer Aktiengesellschaft
- Knud Reuter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydroxydiphenyl cycloalkanes, their production and their use for...
- Patent number 4,982,014
- Issue date Jan 1, 1991
- Bayer Aktiengesellschaft
- Dieter Freitag
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polyether ketones
- Patent number 4,964,890
- Issue date Oct 23, 1990
- Bayer Aktiengesellschaft
- Knud Reuter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Use of homopolycarbonates of 3,3'-dihydroxydiphenyl ether for modif...
- Patent number 4,954,569
- Issue date Sep 4, 1990
- Gunther Weymans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Gunther Weymans

Person

Patents Grantslast 30 patents

Process for the production of polycarbonate of constant viscosity

Method of controlling the concentrations of a multicomponent mixture

Method of controlling heat exchangers using enthalpy flow as the co...

Production of ultrafine suspensions of bisphenol, sodium hydroxide...

Washing of polycarbonates with cascading train of centrifuges

Process for the production of polycarbonate

Isolation of polycarbonate with carbon dioxide

Isolation of poly(ester)carbonates from methylene chloride using ca...

Process for the separation of multicomponent systems containing int...

Continuous production of polycarbonates

Process for isolating polymers from their solvents using liquids co...

Polycarbonate from dihydroxydiphenyl cycloalkane

Process for isolating polycarbonates with CO.sub.2 under pressure

Aromatic copolyether sulfones

Aromatic ether imides

Linear and branched poly-p-arylene sulfide substantially free from...

Polycarbonate mixtures in optical applications

Polycarbonate from dihydroxy diphenyl cycloalkane

Aromatic copolyether ketones of dihydroxydiphenyl alkanes and phtha...

Polydiorganosiloxane/polycarbonate block cocondensates based on cer...

Mixtures of special new polycarbonates with other thermoplastics or...

Aromatic ethers

Aromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alka...

High-strength polycarbonate mixtures

Aromatic ether imides

Dihydroxydiphenyl cycloalkanes, their production and their use for...

Aromatic polyether ketones

Use of homopolycarbonates of 3,3'-dihydroxydiphenyl ether for modif...