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Gunther Lang
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Reinheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Agent and method for permanent shaping of hair and method for the p...
Patent number
6,264,932
Issue date
Jul 24, 2001
Wella Aktiengesellschaft
Beate Dannecker
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process and means for permanent hair-styling
Patent number
6,103,223
Issue date
Aug 15, 2000
Wella Aktiengesellschaft
Dieter Hoch
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hydrolytically cleavable active ingredient derivative compounds, ha...
Patent number
5,972,323
Issue date
Oct 26, 1999
Wella AG
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Permanent process and agent
Patent number
5,935,562
Issue date
Aug 10, 1999
Wella AG
Beate Dannecker
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aqueous hair fixing composition containing a water-soluble hair fix...
Patent number
5,879,669
Issue date
Mar 9, 1999
Wella Aktiengesellschaft
Thomas Clausen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair fixing composition in the form of an aqueous solution, foam or...
Patent number
5,690,921
Issue date
Nov 25, 1997
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition and method for permanent shaping of hair
Patent number
5,635,170
Issue date
Jun 3, 1997
Wella Aktiengesellchaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for fixing hair based on lignin or lignin derivatives a...
Patent number
5,512,276
Issue date
Apr 30, 1996
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for permanently shaping hair
Patent number
5,424,062
Issue date
Jun 13, 1995
Wella Aktiengesellschaft
Annette Schwan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair care composition in the form of a microemulsion
Patent number
5,298,240
Issue date
Mar 29, 1994
Wella Aktiengesellschaft
Friedel Schroder
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Storage-stable pearlescent hair-conditioning compositions
Patent number
5,213,792
Issue date
May 25, 1993
Wella Aktiengesellschaft
Karin Grundmann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Preserved hair and body treatment compositions and use of a preserv...
Patent number
5,100,656
Issue date
Mar 31, 1992
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for the strengthening of the hairdo and the care of hair
Patent number
5,037,632
Issue date
Aug 6, 1991
Wella Aktiengesellschaft
Paul Gross
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Macromolecular, surface-active, quaternary, N-substituted chitosan...
Patent number
4,976,952
Issue date
Dec 11, 1990
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair dyeing compositions containing 2,6-dinitro-phenol-derivatives
Patent number
4,975,093
Issue date
Dec 4, 1990
Wella Aktiengesellschaft
Thomas Clausen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
O-benzyl-N-hydroxyalkyl derivatives of chitosan and nail polish con...
Patent number
4,954,619
Issue date
Sep 4, 1990
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cosmetic compostions based upon N-hydroxybutyl-chitosans, N-hydroxy...
Patent number
4,931,271
Issue date
Jun 5, 1990
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cosmetic composition based upon N-hydroxypropylisopropylether chito...
Patent number
4,923,977
Issue date
May 8, 1990
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for making quaternary chitosan derivatives for cosmetic agents
Patent number
4,921,949
Issue date
May 1, 1990
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cosmetic compositions on the basis of alkyl-hydroxypropyl-substitut...
Patent number
4,845,204
Issue date
Jul 4, 1989
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cosmetic compositions based upon n-hydroxypropyl-chitosans, new n-h...
Patent number
4,835,266
Issue date
May 30, 1989
Wella Aktiengsellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cosmetic agent on the basis of quaternary chitosan derivatives, nov...
Patent number
4,822,598
Issue date
Apr 18, 1989
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Pearlescent hair conditioning composition
Patent number
4,777,039
Issue date
Oct 11, 1988
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Quaternary hydroxy-propyl-substituted chitosan derivatives, cosmeti...
Patent number
4,772,689
Issue date
Sep 20, 1988
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Quaternary hydroxyethyl-substituted chitosan derivatives, cosmetic...
Patent number
4,772,690
Issue date
Sep 20, 1988
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the permanent deformation of hair
Patent number
4,532,950
Issue date
Aug 6, 1985
Wella AG
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cosmetic composition based upon chitosan derivatives, new chitosan...
Patent number
4,528,283
Issue date
Jul 9, 1985
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Means for the aftertreatment of permanently deformed hair
Patent number
4,409,204
Issue date
Oct 11, 1983
Wella Aktiengesellschaft
Gunther Lang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Method for generation of memory effects on hair
Publication number
20060140892
Publication date
Jun 29, 2006
Andreas Lendlein
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method of treating hair with form memory polymers
Publication number
20060088494
Publication date
Apr 27, 2006
MNEMOSCIENCE GMBH
Andreas Lendlein
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method for achieving shape memory effects on hair by combining shap...
Publication number
20050244353
Publication date
Nov 3, 2005
MNEMOSCIENCE GMBH
Andreas Lendlein
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE