Karl Linhart

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of solutions of cationic azo dyestuffs
- Patent number 4,468,349
- Issue date Aug 28, 1984
- Bayer Aktiengesellschaft
- Karl Linhart
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparing concentrated azo dye solutions using nitrite salt as both...
- Patent number 4,432,899
- Issue date Feb 21, 1984
- Bayer Aktiengesellschaft
- Karl Linhart
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of solutions of cationic polyazo dyestuffs
- Patent number 4,400,321
- Issue date Aug 23, 1983
- Bayer Aktiengesellschaft
- Karl Linhart
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the partial reduction of polynitrated diaryl compounds
- Patent number 4,348,335
- Issue date Sep 7, 1982
- Bayer Aktiengesellschaft
- Karl Linhart
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of amino-nitrophenols
- Patent number 4,115,652
- Issue date Sep 19, 1978
- Bayer Aktiengesellschaft
- Karl Linhart
- C07 - ORGANIC CHEMISTRY