Gerhard Back

Person

Lorrach, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of 1:2 chromium complexes one sulfo substituted and one...
- Patent number 5,229,502
- Issue date Jul 20, 1993
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for dyeing wool and blends thereof with other fibres using...
- Patent number 5,207,799
- Issue date May 4, 1993
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fibre-reactive 1:1 chromium complex azo or azomethine dyes having a...
- Patent number 5,001,227
- Issue date Mar 19, 1991
- Ciba-Geigy Corporation
- Hans U. Schutz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fibre-reaction 1:1 chromium complex azo or azomethine dyes having a...
- Patent number 4,990,598
- Issue date Feb 5, 1991
- Hans U. Schutz
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Asymmetrical polyazo chromium complex dyes comprising resorcinol as...
- Patent number 4,874,848
- Issue date Oct 17, 1989
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Asymmetric 1:2-chromium complex dyes containing two azo dyes, one c...
- Patent number 4,874,849
- Issue date Oct 17, 1989
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for improving the light-fastness of leather dyeings
- Patent number 4,818,246
- Issue date Apr 4, 1989
- Ciba-Geigy Corporation
- Alois Puntener
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing natural or synthetic polyamide fibre materials w...
- Patent number 4,818,248
- Issue date Apr 4, 1989
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fiber-reactive chromium complexes and their preparation and use for...
- Patent number 4,813,972
- Issue date Mar 21, 1989
- Ciba-Geigy Corporation
- Hans U. Schutz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fibre-reactive chromium complexes and their preparation and use
- Patent number 4,723,001
- Issue date Feb 2, 1988
- Ciba-Geigy Corporation
- Hans U. Schutz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the photochemical stabilization of synthetic polyamide...
- Patent number 4,704,133
- Issue date Nov 3, 1987
- Ciba-Geigy Corporation
- Gerhard Reinert
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing natural or synthetic polyamide fibre materials w...
- Patent number 4,681,596
- Issue date Jul 21, 1987
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Metal dye complexes containing an azo or azomethine dye and a color...
- Patent number 4,680,385
- Issue date Jul 14, 1987
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Metal dye complexes containing an azo or azomethine dye and a color...
- Patent number 4,678,851
- Issue date Jul 7, 1987
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for photochemical stabilization of polyamide and polyuretha...
- Patent number 4,655,785
- Issue date Apr 7, 1987
- Ciba-Geigy Corporation
- Gerhard Reinert
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for photochemical stabilization of non-dyed and dyed polyam...
- Patent number 4,655,783
- Issue date Apr 7, 1987
- Ciba-Geigy Corporation
- Gerhard Reinert
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing natural or synthetic polyamide fibre materials w...
- Patent number 4,623,358
- Issue date Nov 18, 1986
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
8-hydroxyquinoline sulfonic acid-azo chromium complexes
- Patent number 4,617,382
- Issue date Oct 14, 1986
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
1:2-metal complex dyes containing one atom of chromium or cobalt an...
- Patent number 4,582,896
- Issue date Apr 15, 1986
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Bis-1:2-chromium complexes of disazo dyes, and their preparation an...
- Patent number 4,502,860
- Issue date Mar 5, 1985
- Ciba-Geigy Corporation
- Gerhard Back
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fibre-reactive chromium complex dyes, process for their manufacture...
- Patent number 4,502,865
- Issue date Mar 5, 1985
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Sulfo-substituted fibre-reactive 1:2-chromium complex azo dyes
- Patent number 4,432,898
- Issue date Feb 21, 1984
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Phenyl- or naphthyl-azo-(8-hydroxyquinoline) 1:2-cobalt complex dye...
- Patent number 4,431,583
- Issue date Feb 14, 1984
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
1:2 Cobalt and chromium complex unsymmetrical azo dyes
- Patent number 4,364,864
- Issue date Dec 21, 1982
- Ciba-Geigy Corporation
- Fabio Beffa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Arylazoarylazo-substituted azo, azomethine 1:2 chromium complex dyes
- Patent number 4,331,596
- Issue date May 25, 1982
- Ciba-Geigy Corporation
- Fabio Beffa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Sulfo- or carboxy-aryl amino sulfonyl phenyl azo hydroxpyridine hea...
- Patent number 4,193,916
- Issue date Mar 18, 1980
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the manufacture of metal complex dyes
- Patent number 4,171,300
- Issue date Oct 16, 1979
- Ciba-Geigy AG
- Peter Donath
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler component
- Patent number 4,141,890
- Issue date Feb 27, 1979
- Ciba-Geigy Corporation
- Gert Hegar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Unsymmetrical azo - azo methine 1:2 chromium complex dyes
- Patent number 4,116,952
- Issue date Sep 26, 1978
- Ciba-Geigy Corporation
- Fabio Beffa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing natural protein fibres with metallic azo dyes
- Patent number 4,105,400
- Issue date Aug 8, 1978
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Gerhard Back

Person

Patents Grantslast 30 patents

Preparation of 1:2 chromium complexes one sulfo substituted and one...

Process for dyeing wool and blends thereof with other fibres using...

Fibre-reactive 1:1 chromium complex azo or azomethine dyes having a...

Fibre-reaction 1:1 chromium complex azo or azomethine dyes having a...

Asymmetrical polyazo chromium complex dyes comprising resorcinol as...

Asymmetric 1:2-chromium complex dyes containing two azo dyes, one c...

Process for improving the light-fastness of leather dyeings

Process for dyeing natural or synthetic polyamide fibre materials w...

Fiber-reactive chromium complexes and their preparation and use for...

Fibre-reactive chromium complexes and their preparation and use

Process for the photochemical stabilization of synthetic polyamide...

Process for dyeing natural or synthetic polyamide fibre materials w...

Metal dye complexes containing an azo or azomethine dye and a color...

Metal dye complexes containing an azo or azomethine dye and a color...

Process for photochemical stabilization of polyamide and polyuretha...

Process for photochemical stabilization of non-dyed and dyed polyam...

Process for dyeing natural or synthetic polyamide fibre materials w...

8-hydroxyquinoline sulfonic acid-azo chromium complexes

1:2-metal complex dyes containing one atom of chromium or cobalt an...

Bis-1:2-chromium complexes of disazo dyes, and their preparation an...

Fibre-reactive chromium complex dyes, process for their manufacture...

Sulfo-substituted fibre-reactive 1:2-chromium complex azo dyes

Phenyl- or naphthyl-azo-(8-hydroxyquinoline) 1:2-cobalt complex dye...

1:2 Cobalt and chromium complex unsymmetrical azo dyes

Arylazoarylazo-substituted azo, azomethine 1:2 chromium complex dyes

Sulfo- or carboxy-aryl amino sulfonyl phenyl azo hydroxpyridine hea...

Process for the manufacture of metal complex dyes

Azo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler component

Unsymmetrical azo - azo methine 1:2 chromium complex dyes

Process for dyeing natural protein fibres with metallic azo dyes