by Ursula Otten heir

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Heidelberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble dyestuffs containing fibre-reactive groups of the vin...
- Patent number 4,649,193
- Issue date Mar 10, 1987
- Hoechst Aktiengesellschaft
- Fritz Meininger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble disazo compounds containing an amino naphthol-disulfo...
- Patent number 4,622,390
- Issue date Nov 11, 1986
- Hoechst Aktiengesellschaft
- Fritz Meininger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for dyeing and printing fiber materials containing hydroxy...
- Patent number 4,515,598
- Issue date May 7, 1985
- Hoechst Aktiengesellschaft
- Fritz Meininger
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Anthraquinone compounds
- Patent number 4,442,288
- Issue date Apr 10, 1984
- Hoechst Aktiengesellschaft
- Fritz Meininger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of dihalogenotriazinylamino-naphthol co...
- Patent number 4,361,698
- Issue date Nov 30, 1982
- Hoechst Aktiengesellschaft
- Joachim W. Otten
- C07 - ORGANIC CHEMISTRY