Alfred Eitel

Person

Dormagen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of bis(4-hydroxyaryl)alkanes
- Patent number 6,486,363
- Issue date Nov 26, 2002
- Bayer Aktiengesellschaft
- Klaus Berg
- C07 - ORGANIC CHEMISTRY
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
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
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
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
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 the production of bisphenols
- Patent number 5,302,774
- Issue date Apr 12, 1994
- Bayer Aktiengesellschaft
- Klaus Berg
- C07 - ORGANIC CHEMISTRY
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
Process for the preparation of substituted cycloalkylidene bisphenols
- Patent number 5,210,328
- Issue date May 11, 1993
- Bayer Aktiengesellschaft
- Dieter Freitag
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of thermoplastic synthetic materials
- Patent number 4,342,847
- Issue date Aug 3, 1982
- Bayer Aktiengesellschaft
- Wilhelm Goyert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of thermoplastic polymer by introducing...
- Patent number 4,261,946
- Issue date Apr 14, 1981
- Bayer Aktiengesellschaft
- Wilhelm Goyert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyurethane elastomers in which at...
- Patent number 4,250,292
- Issue date Feb 10, 1981
- Bayer Aktiengesellschaft
- Georg Niederdellmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Alfred Eitel

Person

Patents Grantslast 30 patents

Process for the manufacture of bis(4-hydroxyaryl)alkanes

Process for the purification of bisphenol

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

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

Process for the continuous production of high purity bisphenol A

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

Optimized ion exchanger beds for the synthesis of bisphenol A

Process for the production of bisphenols

Process for the production of high-purity bisphenol A

Process for the preparation of substituted cycloalkylidene bisphenols

Process for the production of thermoplastic synthetic materials

Process for the production of thermoplastic polymer by introducing...

Process for the preparation of polyurethane elastomers in which at...