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Rudolf Neeb
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Obertshausen, DE
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last 30 patents
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Patent Grant
Process for the preparation of 3-hydroxy-N-benzimidazolon-5-yl-2-na...
Patent number
5,756,757
Issue date
May 26, 1998
Hoechst Aktiengesellschaft
Michael Meier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of 2-hydroxynaphthalene-6-carboxylic acid
Patent number
4,916,257
Issue date
Apr 10, 1990
Hoechst Aktiengesellschaft
Helmold von Plessen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2-hydroxydibenzofuran-3-carboxylic acid and a...
Patent number
4,831,168
Issue date
May 16, 1989
Hoechst Aktiengesellschaft
Rudolf Neeb
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of chlorozincate salts of benzo thiazol...
Patent number
4,638,053
Issue date
Jan 20, 1987
Hoechstaktiengesellschaft
Rudolf Neeb
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for preparing 6-acetoxy-2-naphthoic-acid and pure 6-hydroxy...
Patent number
4,618,701
Issue date
Oct 21, 1986
Hoechst Aktiengesellschaft
Rudolf Neeb
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Zinc chloride complex compounds
Patent number
4,423,226
Issue date
Dec 27, 1983
Hoechst Aktiengesellschaft
Reinhard Mohr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of chlorozincate salts of thiazolium az...
Patent number
4,269,768
Issue date
May 26, 1981
Hoechst Aktiengesellschaft
Rudolf Neeb
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...