Horst Birkhan

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Steinau-Ulmbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Highly concentrated aqueous fabric softners having improved storage...
- Patent number 5,703,035
- Issue date Dec 30, 1997
- Witco Surfactants GmbH
- Horst Birkhan
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fabric softener rinsing agents
- Patent number 5,364,542
- Issue date Nov 15, 1994
- REWO Chemische Werke GmbH
- Horst Birkhan
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Fabric softeners based on quaternary poly(oxyalkylene) alkanolamine...
- Patent number 5,254,270
- Issue date Oct 19, 1993
- REWO Chemische Werke GmbH
- Horst Birkhan
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Fabric softener rinsing agents
- Patent number 5,180,508
- Issue date Jan 19, 1993
- REWO Chemische Werke GmbH
- Horst Birkhan
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...