Norbert Lonhoff

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing alkali chromates from chromium ore
- Patent number 5,667,759
- Issue date Sep 16, 1997
- Bayer Aktiengesellschaft
- Rainer Bellinghausen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing alkali chromates from chromium ore
- Patent number 5,505,918
- Issue date Apr 9, 1996
- Bayer Aktiengesellschaft
- Uwe Arndt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of sodium dichromate
- Patent number 5,273,735
- Issue date Dec 28, 1993
- Bayer Aktiengesellschaft
- Rainer Weber
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the production of sodium dichromate
- Patent number 5,250,274
- Issue date Oct 5, 1993
- Bayer Aktiengesellschaft
- Norbert Lonhoff
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of chromic acid
- Patent number 5,181,994
- Issue date Jan 26, 1993
- Bayer Aktiengesellschaft
- Norbert Lonhoff
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Dimensionally stable anodes and their use in the preparation of alk...
- Patent number 5,128,000
- Issue date Jul 7, 1992
- Bayer Aktiengesellschaft
- Helmut Klotz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of alkali metal dichromates and chromic...
- Patent number 5,127,999
- Issue date Jul 7, 1992
- Bayer Aktiengesellschaft
- Helmut Klotz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of chromic acid
- Patent number 5,096,548
- Issue date Mar 17, 1992
- Bayer Aktiengesellschaft
- Norbert Lonhoff
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Processes for the preparation of alkali metal dichromates and chrom...
- Patent number 5,094,729
- Issue date Mar 10, 1992
- Bayer Aktiengesellschaft
- Helmut Klotz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of chromic acid
- Patent number 5,071,522
- Issue date Dec 10, 1991
- Bayer Aktiengesellschaft
- Helmut Klotz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrochemical process for the production of chromic acid
- Patent number 5,068,015
- Issue date Nov 26, 1991
- Bayer Aktiengesellschaft
- Hans-Dieter Block
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Processes for the preparation of alkali metal dichromates and chrom...
- Patent number 5,051,155
- Issue date Sep 24, 1991
- Bayer Aktiengesellschaft
- Helmut Klotz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the production of alkali dichromates and chromic acid e...
- Patent number 4,981,573
- Issue date Jan 1, 1991
- Bayer Aktiengesellschaft
- Helmut Klotz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Norbert Lonhoff

Person

Patents Grantslast 30 patents

Method for manufacturing alkali chromates from chromium ore

Method for manufacturing alkali chromates from chromium ore

Process for the preparation of sodium dichromate

Process for the production of sodium dichromate

Process for the preparation of chromic acid

Dimensionally stable anodes and their use in the preparation of alk...

Process for the preparation of alkali metal dichromates and chromic...

Process for the preparation of chromic acid

Processes for the preparation of alkali metal dichromates and chrom...

Process for the preparation of chromic acid

Electrochemical process for the production of chromic acid

Processes for the preparation of alkali metal dichromates and chrom...

Process for the production of alkali dichromates and chromic acid e...