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Leverkusen, DT
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last 30 patents
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Patent Grant
Water-soluble anthraquinone dyestuff
Patent number
4,077,987
Issue date
Mar 7, 1978
Bayer Aktiengesellschaft
Wolfgang Harms
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Reactive dyestuffs containing urea alkylene linkage between chromop...
Patent number
4,065,446
Issue date
Dec 27, 1977
Bayer Aktiengesellschaft
Hans-Samuel Bien
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...