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Klaus Hunger
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Kelkheim, Taunus, DT
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Patents Grants
last 30 patents
Information
Patent Grant
Azamethine metal complex compounds
Patent number
4,096,157
Issue date
Jun 20, 1978
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo pigments derived from 3,8-diamino-phenanthridone-(10)
Patent number
4,082,741
Issue date
Apr 4, 1978
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aldehydes of 2-hydroxy-naphthalene-3-carboxylic acid arylides
Patent number
4,074,053
Issue date
Feb 14, 1978
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic aci...
Patent number
4,056,522
Issue date
Nov 1, 1977
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
3-Amino-4-carboalkoxy-benzoic acid 4'-phenoxy-anilides
Patent number
4,056,553
Issue date
Nov 1, 1977
Hoechst Aktiengesellschaft
Friedrich Wilhelm Weingarten
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-soluble reactive naphthylazonaphthyl dyestuffs
Patent number
4,045,428
Issue date
Aug 30, 1977
Hoechst Aktiengesellschaft
Fritz Meininger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-insoluble colorants, process for preparing them and their use
Patent number
4,041,036
Issue date
Aug 9, 1977
Hoechst Aktiengesellschaft
Klaus Hunger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phthalocyanine dyestuffs and process for preparing them
Patent number
4,033,980
Issue date
Jul 5, 1977
Hoechst Aktiengesellschaft
Fritz Meininger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo compounds from diphenylene sulfones and acetoacetylbenzimida...
Patent number
4,005,068
Issue date
Jan 25, 1977
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Novel form of the disazo pigment from bisdiazotized 3,3'-dichlorobe...
Patent number
3,980,635
Issue date
Sep 14, 1976
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified form of a disazo pigment
Patent number
3,974,136
Issue date
Aug 10, 1976
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Naphthylazo naphthyl copper complex dyestuffs
Patent number
3,966,704
Issue date
Jun 29, 1976
Hoechst Aktiengesellschaft
Fritz Meininger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Novel aromatic aldehydes and process for preparing them
Patent number
3,947,516
Issue date
Mar 30, 1976
Hoechst Aktiengesellschaft
Klaus Hunger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...