Steffen Dapperheld

Person

Kriftel, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Electrochemical process for preparing glyoxylic acid
- Patent number 5,474,658
- Issue date Dec 12, 1995
- Hoechst AG
- Bernd Scharbert
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of 2-aminobenzothiazoles
- Patent number 5,374,737
- Issue date Dec 20, 1994
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Partial electrolytic dehalogenation of dichloroacetic and trichloro...
- Patent number 5,362,367
- Issue date Nov 8, 1994
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrode for electrochemical reactors
- Patent number 5,192,411
- Issue date Mar 9, 1993
- Hoechst Aktiengesellschaft
- Hans-Karl W. vom Baur
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of fluorinated acrylic acids and deriva...
- Patent number 5,114,546
- Issue date May 19, 1992
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of thiophene derivatives
- Patent number 5,100,520
- Issue date Mar 31, 1992
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of unsaturated halogenated hydrocabons
- Patent number 5,026,460
- Issue date Jun 25, 1991
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the preparation of fluoromalonic acid and its derivatives
- Patent number 4,950,367
- Issue date Aug 21, 1990
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for preparing fluorinated vinyl ethers
- Patent number 4,908,107
- Issue date Mar 13, 1990
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrochemical process for the replacement of halogen atoms in an...
- Patent number 4,800,012
- Issue date Jan 24, 1989
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the dehalogenation of chloroacetic and bromoacetic acid
- Patent number 4,707,226
- Issue date Nov 17, 1987
- Hoechst Aktiengesellschaft
- Steffen Dapperheld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Steffen Dapperheld

Person

Patents Grantslast 30 patents

Electrochemical process for preparing glyoxylic acid

Process for the preparation of 2-aminobenzothiazoles

Partial electrolytic dehalogenation of dichloroacetic and trichloro...

Electrode for electrochemical reactors

Process for the preparation of fluorinated acrylic acids and deriva...

Process for the preparation of thiophene derivatives

Process for the preparation of unsaturated halogenated hydrocabons

Process for the preparation of fluoromalonic acid and its derivatives

Process for preparing fluorinated vinyl ethers

Electrochemical process for the replacement of halogen atoms in an...

Process for the dehalogenation of chloroacetic and bromoacetic acid