Manfred Sittig

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Kriftel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing concentrated aqueous solutions of anionic azo...
- Patent number 5,508,389
- Issue date Apr 16, 1996
- Hoechst Aktiengesellschaft
- Peter Mischke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the reduction of heavy metal ions in excess from aqueou...
- Patent number 4,963,660
- Issue date Oct 16, 1990
- Hoechst Aktiengesellschaft
- Uwe Mrotzeck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing liquid low-salt aqueous reactive dyestuff com...
- Patent number 4,581,036
- Issue date Apr 8, 1986
- Hoechst Aktiengesellschaft
- Konrad Opitz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...