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last 30 patents
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Patent Grant
Process for preparing a stabilized composition of a lithium azo com...
Patent number
5,011,917
Issue date
Apr 30, 1991
Hoechst Aktiengesellschaft
Konrad Opitz
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of the lithium salt of a fiber-reactive...
Patent number
4,939,242
Issue date
Jul 3, 1990
Hoechst Aktiengesellschaft
Konrad Opitz
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble monoazo compounds containing a fiber-reactive group o...
Patent number
4,775,746
Issue date
Oct 4, 1988
Hoechst Aktiengesellshaft
Hartmut Springer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble Azo compounds containing fiber-reactive groups and ha...
Patent number
4,757,136
Issue date
Jul 12, 1988
Hoechst Aktiengesellschaft
Hartmut Springer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble azo compounds containing fiber-reactive groups and ha...
Patent number
4,740,592
Issue date
Apr 26, 1988
Hoechst Aktiengesellschaft
Hartmut Springer
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...