Claus H. Wulff

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing ABS moulding compositions
- Patent number 5,981,644
- Issue date Nov 9, 1999
- Bayer Aktiengesellschaft
- Ralph Ostarek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purification of p,p-bisphenolate solutions
- Patent number 5,959,160
- Issue date Sep 28, 1999
- Bayer AG
- Claus Wulff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the transport and storage of phenol
- Patent number 5,921,089
- Issue date Jul 13, 1999
- Phenolchemie GmbH & Co. KG
- Werner Kleinloh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isolation of partially crystalline polycarbonate po...
- Patent number 5,830,977
- Issue date Nov 3, 1998
- Bayer Aktiengesellschaft
- Claus Wulff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for drying polymeric powders and polymeric agglomerates
- Patent number 5,786,445
- Issue date Jul 28, 1998
- Bayer Aktiengesellschaft
- Claus Wulff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the purification of bisphenol
- Patent number 5,785,823
- Issue date Jul 28, 1998
- Bayer AG Konzernverwaltung RP
- Kurt-Peter Meurer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bisphenol synthesis on modified ion-exchange resins using specially...
- Patent number 5,780,690
- Issue date Jul 14, 1998
- Bayer Aktiengesellschaft
- Klaus Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystalline adduct of bisphenol A and bisphenol TMC
- Patent number 5,756,860
- Issue date May 26, 1998
- Bayer Aktiengesellschaft
- Kurt-Peter Meurer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of carbonates as demoulding agents for thermoplastic polycarbon...
- Patent number 5,726,228
- Issue date Mar 10, 1998
- Bayer Aktiengesellschaft
- Ralf Kaufmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for reprocessing aqueous extract solutions obtained in the p...
- Patent number 5,703,204
- Issue date Dec 30, 1997
- Bayer AG
- Andreas Gittinger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of bisphenols with the use of new cocata...
- Patent number 5,698,600
- Issue date Dec 16, 1997
- Bayer AG
- Claus Wulff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of ultra-pure bisphenol A and the use th...
- Patent number 5,696,295
- Issue date Dec 9, 1997
- Bayer AG
- Claus Wulff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing thermoplastic granulated polymer material fro...
- Patent number 5,684,087
- Issue date Nov 4, 1997
- Bayer Aktiengesellschaft
- Claus Wulff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Two-stage process for the manufacture of thermoplastic polycarbonate
- Patent number 5,652,313
- Issue date Jul 29, 1997
- Bayer Aktiengesellschaft
- Steffen Kuhling
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonates containing aryl phosphines
- Patent number 5,627,256
- Issue date May 6, 1997
- Bayer AG
- Helmut-Martin Meier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the continuous production of high purity bisphenol A
- Patent number 5,545,764
- Issue date Aug 13, 1996
- Bayer Aktiengesellschaft
- Klaus Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Abietic acid derivatives and their use as emulsifiers
- Patent number 5,456,861
- Issue date Oct 10, 1995
- Bayer AG
- Karl-Erwin Piejko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of regenerating sulfonic acid cation exchange resins with a...
- Patent number 5,455,282
- Issue date Oct 3, 1995
- Bayer Aktiengesellschaft
- Klaus Berg
- C07 - ORGANIC CHEMISTRY
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
Optimized ion exchanger beds for the synthesis of bisphenol A
- Patent number 5,395,857
- Issue date Mar 7, 1995
- Bayer Aktiengesellschaft
- Klaus Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating polycarbonates from their solutions with tube...
- Patent number 5,317,083
- Issue date May 31, 1994
- Bayer Aktiengesellschaft
- Dieter Freitag
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isomerization of bisphenols
- Patent number RE34626
- Issue date May 31, 1994
- Bayer AG
- Udo Rudolph
- 568 - Organic compounds
Information Patent Grant
Process for the production of bisphenols
- Patent number 5,302,774
- Issue date Apr 12, 1994
- Bayer Aktiengesellschaft
- Klaus Berg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermoplastic molding compositions
- Patent number 5,300,550
- Issue date Apr 5, 1994
- Bayer Aktiengesellschaft
- Thomas Eckel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of high-purity bisphenol A
- Patent number 5,300,700
- Issue date Apr 5, 1994
- Bayer Aktiengesellschaft
- Georg Malamet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ion exchangers modified with mercapto amines
- Patent number 5,284,981
- Issue date Feb 8, 1994
- Bayer Aktiengesellschaft
- Udo Rudolph
- C07 - ORGANIC CHEMISTRY
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
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 lowering the crystallization temperature of polyarylene...
- Patent number 5,235,035
- Issue date Aug 10, 1993
- Bayer Aktiengesellschaft
- Claus H. Wulff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Claus H. Wulff

Person

Patents Grantslast 30 patents

Method of producing ABS moulding compositions

Purification of p,p-bisphenolate solutions

Method for the transport and storage of phenol

Process for the isolation of partially crystalline polycarbonate po...

Process for drying polymeric powders and polymeric agglomerates

Process for the purification of bisphenol

Bisphenol synthesis on modified ion-exchange resins using specially...

Crystalline adduct of bisphenol A and bisphenol TMC

Use of carbonates as demoulding agents for thermoplastic polycarbon...

Method for reprocessing aqueous extract solutions obtained in the p...

Process for the production of bisphenols with the use of new cocata...

Method for the preparation of ultra-pure bisphenol A and the use th...

Process for producing thermoplastic granulated polymer material fro...

Two-stage process for the manufacture of thermoplastic polycarbonate

Polycarbonates containing aryl phosphines

Process for the continuous production of high purity bisphenol A

Abietic acid derivatives and their use as emulsifiers

Process of regenerating sulfonic acid cation exchange resins with a...

Process for the production of polycarbonate of constant viscosity

Optimized ion exchanger beds for the synthesis of bisphenol A

Process for isolating polycarbonates from their solutions with tube...

Isomerization of bisphenols

Process for the production of bisphenols

Thermoplastic molding compositions

Process for the production of high-purity bisphenol A

Ion exchangers modified with mercapto amines

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

Washing of polycarbonates with cascading train of centrifuges

Continuous production of polycarbonates

Process for lowering the crystallization temperature of polyarylene...