Ernst Hartwig

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Heidelberg, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of 1,4-diaminoanthraquinone-2,3-dinitrile
- Patent number 4,042,605
- Issue date Aug 16, 1977
- BASF Aktiengesellschaft
- Ernst Hartwig
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Blue anthraquinoid disperse dyes, their production and use
- Patent number 3,936,477
- Issue date Feb 3, 1976
- BASF Aktiengesellschaft
- Karl Maier
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...