Gerhard Back

Person

Lorrach, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of chromium complexes from metallizable...
- Patent number 4,085,097
- Issue date Apr 18, 1978
- Ciba-Geigy AG
- Fabio Beffa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Unsymmetrical mono sulfo containing 1:2 azo, azo chromium complex dyes
- Patent number 4,083,839
- Issue date Apr 11, 1978
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heavy metal complexes of azo dyestuffs containing a 2-amino-3-hydro...
- Patent number RE29585
- Issue date Mar 21, 1978
- Ciba-Geigy Corporation
- Gerhard Back
- 260 - Chemistry of carbon compounds
Information Patent Grant
Unsymmetrical phenyl azo naphthyl chromium complex dyes
- Patent number 4,053,462
- Issue date Oct 11, 1977
- Ciba-Geigy Corporation
- Fabio Beffa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Transfer printing process for hydrophilic fibrous material
- Patent number 4,033,716
- Issue date Jul 5, 1977
- Ciba-Geigy AG
- Raymond Defago
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Chromium complex dye, including azo and azo methine dye compounds
- Patent number 4,033,942
- Issue date Jul 5, 1977
- Ciba-Geigy AG
- Fabio Beffa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Chromium complex disazo dyes
- Patent number 4,013,630
- Issue date Mar 22, 1977
- Ciba-Geigy Corporation
- Fabio Beffa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Unsymmetrical phenyl azo naphthyl chromium complex dyes
- Patent number 4,005,065
- Issue date Jan 25, 1977
- Ciba-Geigy Corporation
- Fabio Beffa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heavy metal complexes of azo dyestuffs containing a heterocyclic di...
- Patent number 4,001,203
- Issue date Jan 4, 1977
- Ciba-Geigy AG
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heavy metal complexes of azo compounds containing a halogeno-2,3-di...
- Patent number 3,971,738
- Issue date Jul 27, 1976
- Ciba-Geigy AG
- Alfred Fasciati
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Unsymmetrical mono-sulfo containing chromium complexes of azo dyes
- Patent number 3,970,615
- Issue date Jul 20, 1976
- Ciba-Geigy Corporation
- Hans Ulrich Schutz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo compounds
- Patent number 3,933,785
- Issue date Jan 20, 1976
- Ciba-Geigy AG
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Gerhard Back

Person

Patents Grantslast 30 patents

Process for the manufacture of chromium complexes from metallizable...

Unsymmetrical mono sulfo containing 1:2 azo, azo chromium complex dyes

Heavy metal complexes of azo dyestuffs containing a 2-amino-3-hydro...

Unsymmetrical phenyl azo naphthyl chromium complex dyes

Transfer printing process for hydrophilic fibrous material

Chromium complex dye, including azo and azo methine dye compounds

Chromium complex disazo dyes

Unsymmetrical phenyl azo naphthyl chromium complex dyes

Heavy metal complexes of azo dyestuffs containing a heterocyclic di...

Heavy metal complexes of azo compounds containing a halogeno-2,3-di...

Unsymmetrical mono-sulfo containing chromium complexes of azo dyes

Azo compounds