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Dietzenbach, DE
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Patents Grants
last 30 patents
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Patent Grant
Water-soluble phenyl azo aminoaphtol azo compounds containing a fib...
Patent number
5,548,072
Issue date
Aug 20, 1996
Hoechst Aktiengesellschaft
J org Dannheim
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Triphendioxazine compounds, processes for their preparation and the...
Patent number
5,484,458
Issue date
Jan 16, 1996
Hoechst Aktiengesellschaft
Werner H. Russ
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Disazo dyestuffs having a triazine moiety and a fiberreactive group...
Patent number
5,243,034
Issue date
Sep 7, 1993
Hoechst Aktiengesellschaft
Horst Tappe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble fiber-reactive monoazo and disazo dyestuffs having a...
Patent number
5,138,041
Issue date
Aug 11, 1992
Hoechst Aktiengesellschaft
Holger M. Buch
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Mixtures of blue mono-azo disperse dyestuffs and their use for dyei...
Patent number
RE33908
Issue date
May 5, 1992
Cassella Aktiengesellschaft
Horst Tappe
008 - Bleaching and dyeing
Information
Patent Grant
Water soluble naphthylazopyrazolone dyestuffs having fiber-reactive...
Patent number
4,963,661
Issue date
Oct 16, 1990
Hoechst Aktiengesellschaft
Horst Tappe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Monoazo compounds containing a fiber-reactive group and an oxazolop...
Patent number
4,948,879
Issue date
Aug 14, 1990
Hoechst Aktiengesellschaft
Horst Tappe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
2,4-Diaminophenyl tetrahydrofurfuryl ethers, processes for their pr...
Patent number
4,857,070
Issue date
Aug 15, 1989
Winfried Seidel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose...
Patent number
4,802,889
Issue date
Feb 7, 1989
Cassella Aktiengesellschaft
Ulrich Bte
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Mixtures of blue mono-azo disperse dyestuffs and their use for dyei...
Patent number
4,678,476
Issue date
Jul 7, 1987
Cassella Aktiengesellschaft
Horst Tappe
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
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
Water-insoluble monoazo dyestuffs, their preparation and their use
Patent number
4,552,953
Issue date
Nov 12, 1985
Cassella Aktiengesellschaft
Ulrich Buhler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo dyestuff dischargeable to white
Patent number
4,505,856
Issue date
Mar 19, 1985
Cassella Aktiengesellschaft
Ulrich Buhler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Preparation of anilino azo carbazole dyestuffs prepared by diazotiz...
Patent number
4,472,307
Issue date
Sep 18, 1984
Cassella Aktiengesellschaft
Ulrich Buhler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-insoluble monoazo dyestuffs and their preparation
Patent number
4,440,681
Issue date
Apr 3, 1984
Cassella Aktiengesellschaft
Horst Tappe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-insoluble azo dyestuffs, processes for their manufacture and...
Patent number
4,431,585
Issue date
Feb 14, 1984
Cassella Aktiengesellschaft
Horst Tappe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-insoluble azo dyestuff, for discharge printing
Patent number
4,416,665
Issue date
Nov 22, 1983
Cassella Aktiengesellschaft
Horst Tappe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
4-Isopropyl-4'-nitrobenzophenone and a process for the preparation...
Patent number
4,413,144
Issue date
Nov 1, 1983
Cassella Aktiengesellschaft
Horst Tappe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for dyeing and printing synthetic, hydrophobic fibre materi...
Patent number
4,406,661
Issue date
Sep 27, 1983
Cassella Aktiengesellschaft
Ulrich Buhler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for producing discharge reserve prints on textile materials...
Patent number
4,386,935
Issue date
Jun 7, 1983
Cassella Aktiengesellschaft
Ulrich Buhler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Dyeing-stable modification of a disperse dyestuff, processes for it...
Patent number
4,374,640
Issue date
Feb 22, 1983
Cassella Aktiengesellschaft
Horst Tappe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for printing synthetic, hydrophobic fiber material
Patent number
4,349,348
Issue date
Sep 14, 1982
Cassella Aktiengesellschaft
Horst Tappe
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the manufacture of an N-hydroxyalkylcarbazole
Patent number
4,342,688
Issue date
Aug 3, 1982
Cassella Aktiengesellschaft
Horst Tappe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of reserve effects on polyestercellulose...
Patent number
4,322,213
Issue date
Mar 30, 1982
Cassella Aktiengesellschaft
Horst Tappe
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for printing synthetic, hydrophobic fiber material in accor...
Patent number
4,306,874
Issue date
Dec 22, 1981
Cassella Aktiengesellschaft
Horst Tappe
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the production of resist effects on polyester/cellulose...
Patent number
4,265,629
Issue date
May 5, 1981
Cassella Aktiengesellschaft
Joachim Ribka
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for dyeing and printing synthetic hydrophobic fiber material
Patent number
4,252,530
Issue date
Feb 24, 1981
Cassella Aktiengesellschaft
Joachim Ribka
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Substituted pyridines and process for making them
Patent number
4,220,784
Issue date
Sep 2, 1980
Cassella Aktiengesellschaft
Horst Tappe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted pyridines and process for making them
Patent number
4,190,723
Issue date
Feb 26, 1980
Cassella Aktiengesellschaft
Horst Tappe
C07 - ORGANIC CHEMISTRY