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Manfred Hahnke
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Kelkheim, DE
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last 30 patents
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Patent Grant
Dye composition containing a mixture of water-soluble fiber-reactiv...
Patent number
5,352,246
Issue date
Oct 4, 1994
Hoechst Aktiengesellschaft
Manfred Hahnke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Pad-dyeing of cellulose fibers with sulfur black dyes: mixture of d...
Patent number
5,234,465
Issue date
Aug 10, 1993
Hoechst Aktiengesellschaft
Manfred Hahnke
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for level exhaust of cellulose fibers with reactive dyes: a...
Patent number
5,167,668
Issue date
Dec 1, 1992
Hoechst Aktiengesellschaft
Manfred Hahnke
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Blue azo dyestuff mixture for strong blue color on hydrophobic fibers
Patent number
5,071,443
Issue date
Dec 10, 1991
Cassella Aktiengesellschaft
Ulrich Buhler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Multi-component mixtures of blue disperse azo dyes for the dyeing o...
Patent number
4,985,044
Issue date
Jan 15, 1991
Hoechst Aktiengesellschaft
Manfred Hahnke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Mixtures of monoazo dyes containing halogen and cyano substituents
Patent number
4,985,043
Issue date
Jan 15, 1991
Cassella Aktiengesellschaft
Ulrich Buhler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for coloring cellulose on polyester with water-insoluble re...
Patent number
4,908,042
Issue date
Mar 13, 1990
Ulrich Buhler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Mixtures of monoazo dyestuffs
Patent number
4,872,883
Issue date
Oct 10, 1989
Bayer Aktiengesellschaft
Ulrich Buhler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dyeing formulations of mixtures of red disperse dyes for the washfa...
Patent number
4,872,882
Issue date
Oct 10, 1989
Hoechst Aktiengesellschaft
Manfred Hahnke
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Mixture of yellow disperse dyestuffs containing pyridone disazo dye
Patent number
4,772,292
Issue date
Sep 20, 1988
Cassella Aktiengesellschaft
Manfred Hahnke
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Red mono-azo water-soluble dye containing cyano, amide and amino su...
Patent number
4,769,449
Issue date
Sep 6, 1988
Cassella Aktiengesellschaft
Ulrich Buhler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Storable formulations of cationic dyes with oxidizing agent as stab...
Patent number
4,765,797
Issue date
Aug 23, 1988
Hoechst Aktiengesellschaft
Manfred Hahnke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Mixtures of water-soluble fiber-reactive dyes and use thereof for d...
Patent number
4,705,524
Issue date
Nov 10, 1987
Hoechst Aktiengesellschaft
Manfred Hahnke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Mixtures of blue disperse azo dyestuffs for dyeing synthetic fibers
Patent number
4,689,050
Issue date
Aug 25, 1987
Hoechst Aktiengesellschaft
Manfred Hahnke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dyestuff mixtures, process for their preparation and process for dy...
Patent number
4,620,853
Issue date
Nov 4, 1986
Cassella Aktiengesellschaft
Horst Tappe
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for spin-dyeing of acid-modified polymers of copolymers of...
Patent number
4,607,071
Issue date
Aug 19, 1986
Hoechst Aktiengesellschaft
Manfred Hahnke
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Mixtures of monoazo dyestuffs
Patent number
4,582,509
Issue date
Apr 15, 1986
Cassella Aktiengesellschaft
Ulrich Buhler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Water-insoluble naphthol monoazo dyestuff
Patent number
4,567,252
Issue date
Jan 28, 1986
Cassella Aktiengesellschaft
Ulrich Buhler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for dyeing, in the gel state, fiber material composed of we...
Patent number
4,563,191
Issue date
Jan 7, 1986
Hoechst Aktiengesellschaft
Manfred Hahnke
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for spin-dyeing of acid-modified polymers of acrylonitrile...
Patent number
4,557,732
Issue date
Dec 10, 1985
Hoechst Aktiengesellschaft
Manfred Hahnke
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Yellow disperse dyestuff mixtures and dyeing process
Patent number
4,548,613
Issue date
Oct 22, 1985
American Hoechst Corporation
Albert Bode
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for continuously dyeing in the gel state fiber material of...
Patent number
4,445,904
Issue date
May 1, 1984
Hoechst Aktiengesellschaft
Manfred Hahnke
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Quaternary and basic azamethine compounds and their use as colorants
Patent number
4,344,879
Issue date
Aug 17, 1982
Hoechst Aktiengesellschaft
Reinhard Mohr
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...