Heinz Dickmanns

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous dyestuff formulation, a process for its preparation and its...
- Patent number 4,348,204
- Issue date Sep 7, 1982
- Cassella Aktiengesellschaft
- Wolfgang Bauer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of a condensation product from phenothi...
- Patent number 4,302,582
- Issue date Nov 24, 1981
- Cassella Aktiengesellschaft
- Gert Nagl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulphur dyestuffs which are ready for dyeing, and processes for dye...
- Patent number 4,252,533
- Issue date Feb 24, 1981
- Cassella Aktiengesellschaft
- Christian Heid
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Condensation product from phenothiazine and p-nitrosophenol, proces...
- Patent number 4,218,219
- Issue date Aug 19, 1980
- Cassella Aktiengesellschaft
- Gert Nagl
- C07 - ORGANIC CHEMISTRY