Hans-Jurgen Weyer

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Water-insoluble azo dyestuffs, processes for their manufacture and...
- Patent number 4,431,585
- Issue date Feb 14, 1984
- Cassella Aktiengesellschaft
- Horst Tappe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for printing synthetic, hydrophobic fiber material
- Patent number 4,349,348
- Issue date Sep 14, 1982
- Cassella Aktiengesellschaft
- Horst Tappe
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the production of resist effects on polyester/cellulose...
- Patent number 4,265,629
- Issue date May 5, 1981
- Cassella Aktiengesellschaft
- Joachim Ribka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing and printing synthetic hydrophobic fiber material
- Patent number 4,252,530
- Issue date Feb 24, 1981
- Cassella Aktiengesellschaft
- Joachim Ribka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...