Wolfgang Tronich

Person

Hofheim am Taunus, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of tetrachloro-1,4-benzoquinone
- Patent number 5,559,257
- Issue date Sep 24, 1996
- Hoechst A G
- Otto Arndt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of substituted quinazoline-2,4,-diones
- Patent number 5,539,114
- Issue date Jul 23, 1996
- Hoechst AG
- Robert Cosmo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alkyl fluorobenzoates in high purity...
- Patent number 5,446,190
- Issue date Aug 29, 1995
- Hoechst Aktiengesellschaft
- Gilbert Billeb
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 5-chloro-2-hydroxy-4-alkyl-benzenesu...
- Patent number 5,292,932
- Issue date Mar 8, 1994
- Hoechst Aktiengesellschaft
- Wolfgang Tronich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of aromatic sulfonyl chlorides
- Patent number 5,136,043
- Issue date Aug 4, 1992
- Hoechst Aktiengesellschaft
- Michael Meier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4,4'-dinitrodiphenylamine
- Patent number 4,990,673
- Issue date Feb 5, 1991
- Hoechst Aktiengesellschaft
- Wolfgang Tronich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Solvated salts of dinitrophenylcyanamides, and a process for the pr...
- Patent number 4,552,970
- Issue date Nov 12, 1985
- Hoechst Aktiengesellschaft
- Otto Arndt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 1-nitrobenzene-2-alkyloxycarbonyl-5-carboxyli...
- Patent number 4,507,491
- Issue date Mar 26, 1985
- Hoechst Aktiengesellschaft
- Werner Wykypiel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 3-amino-1-phenylpyrazol-5-one
- Patent number 4,410,707
- Issue date Oct 18, 1983
- Hoechst Aktiengesellschaft
- Wolfgang Tronich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-Nitroaryl-N-halosulfonyl ureas
- Patent number 4,316,861
- Issue date Feb 23, 1982
- Hoechst Aktiengesellschaft
- Otto Arndt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 4-nitro-4'-amino-diphenylamine-2-sul...
- Patent number 4,254,054
- Issue date Mar 3, 1981
- Hoechst Aktiengesellschaft
- Otto Arndt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diaminophenyl ureas
- Patent number 4,246,196
- Issue date Jan 20, 1981
- Hoechst AG.
- Otto Arndt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing copper phthalocyanine pigments of the .alpha....
- Patent number 4,224,222
- Issue date Sep 23, 1980
- Hoechst Aktiengesellschaft
- Ernst Spietschka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of acetoacetyl-aminobenzenes
- Patent number 4,169,851
- Issue date Oct 2, 1979
- Hoechst Aktiengesellschaft
- Rudiger Berthold
- C07 - ORGANIC CHEMISTRY

Wolfgang Tronich

Person

Patents Grantslast 30 patents

Process for the preparation of tetrachloro-1,4-benzoquinone

Process for the preparation of substituted quinazoline-2,4,-diones

Process for the preparation of alkyl fluorobenzoates in high purity...

Process for the preparation of 5-chloro-2-hydroxy-4-alkyl-benzenesu...

Process for the preparation of aromatic sulfonyl chlorides

Process for the preparation of 4,4'-dinitrodiphenylamine

Solvated salts of dinitrophenylcyanamides, and a process for the pr...

Process for preparing 1-nitrobenzene-2-alkyloxycarbonyl-5-carboxyli...

Process for the manufacture of 3-amino-1-phenylpyrazol-5-one

N-Nitroaryl-N-halosulfonyl ureas

Process for the manufacture of 4-nitro-4'-amino-diphenylamine-2-sul...

Diaminophenyl ureas

Process for preparing copper phthalocyanine pigments of the .alpha....

Process for the manufacture of acetoacetyl-aminobenzenes