Winfried Ehrl

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Neuotting, DE

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Patents Grantslast 30 patents

Information Patent Grant
Urethanes containing perfluoroalkyl and epichlorohydrin groups
- Patent number 4,709,074
- Issue date Nov 24, 1987
- Hoechst Aktiengesellschaft
- Heinrich Bathelt
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Hair shampoos and body cleansing agents having a content of alkylsu...
- Patent number 4,564,520
- Issue date Jan 14, 1986
- Hoechst Aktiengesellschaft
- Winfried Ehrl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fluorine-containing alkylsulfobetaines, a process for their prepara...
- Patent number 4,430,272
- Issue date Feb 7, 1984
- Hoechst Aktiengesellschaft
- Winfried Ehrl
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Fluorine-containing alkyl-sulfato-betaines and processes for their...
- Patent number 4,209,456
- Issue date Jun 24, 1980
- Hoechst Aktiengesellschaft
- Siegfried Billenstein
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Liquid thermostable phosphoric acid esters for the fiber conditioning
- Patent number 4,173,679
- Issue date Nov 6, 1979
- Hoechst Aktiengesellschaft
- Rolf Kleber
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...