Inventor
WESTENFELDER HORST
DE39 patents
⚠️ This page may combine multiple inventors who share the name “WESTENFELDER HORST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
37 patentsUS5945091AAug 31, 1999
Photo-stable cosmetic and pharmaceutical formulations containing UV-filters
BASF AG132 citations99
US6093385AJul 25, 2000
4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparations
BASF AG52 citations96
US6545174B2Apr 8, 2003
Cosmetic and pharmaceutical preparations containing photostable UV filters
BASF AG56 citations95
US6409995B1Jun 25, 2002
Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations
BASF AG69 citations93
US6528575B1Mar 4, 2003
Use of crosslinked copolymers of monoethylenically unsaturated carboxylic acids as stabilizer in oil-in-water emulsions
BASF AG20 citations92
US6436373B1Aug 20, 2002
Oligomeric diarylbutadienes
BASF AG37 citations92
US6407247B1Jun 18, 2002
Photo-stable cosmetic and pharmaceutical formulations containing UV-filters
BASF AG23 citations92
US6329483B1Dec 11, 2001
Copolymers of carboxylic acids and quaternary ammonium compounds and the use thereof as thickeners of dispersants
BASF AG38 citations92
US6238649B1May 29, 2001
Cosmetic and pharmaceutical preparations containing photostable UV filters
BASF AG43 citations92
US6191301B1Feb 20, 2001
4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparation
BASF AG25 citations92
US6159455ADec 12, 2000
Dimeric α-alkylstyrene derivatives as photostable UV filters in cosmetic and pharmaceutical preparations
BASF AG50 citations92
US6143850ANov 7, 2000
Lipophilic polymeric UV absorbers
BASF AG38 citations92
US6090374AJul 18, 2000
Cosmetic and pharmaceutical preparations comprising photostable UV filters
BASF AG22 citations92
US6060042AMay 9, 2000
Use of cholesteric, liquid-crystalline compositions as UV filters in cosmetic and pharmaceutical preparations
BASF AG56 citations92
US6037487AMar 14, 2000
Photo-stable cosmetic and pharmaceutical formulations containing UV-filters
BASF AG20 citations92
US6001337ADec 14, 1999
Cosmetic composition with polymer-bound benzophenone chromophores
BASF AG40 citations92
US5968484AOct 19, 1999
Cosmetic preparations comprising photostable UV-A filters
BASF AG20 citations92
US5869099AFeb 9, 1999
Cosmetic composition with polymer-bound benzophenone chromophores
BASF AG42 citations92
US6541032B1Apr 1, 2003
Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositions
BASF AG44 citations91
US6346254B1Feb 12, 2002
Cosmetic and pharmaceutical preparations comprising ascorbic acid derivatives
BASF AG23 citations90
US6074472AJun 13, 2000
Hydrolytic preparation of titanium dioxide pigments
BASF AG29 citations90
US6124274ASep 26, 2000
Use of ascorbyl 2'-phosphates for stabilizing vitamin A and/or vitamin A derivatives in cosmetic and pharmaceutical preparations
BASF AG11 citations74
US6069258AMay 30, 2000
Cosmetic preparations comprising photostable UV-A filters
BASF AG6 citations74
US7465774B1Dec 16, 2008
Use of copolymers of carboxylic acids and long-chain compounds with isolated C-C multiple bonds as thickeners or dispersants
BASF AG8 citations73
US5152991AOct 6, 1992
Use of selectively hydrogenated styrene/butadiene copolymers in cosmetic and pharmaceutical compositions
BASF AG14 citations73
US6153174ANov 28, 2000
Cosmetic compositions comprising a combination of UV absorbers
BASF AG8 citations72
US7102019B2Sep 5, 2006
Cosmetic and pharmaceutical preparations comprising ascorbic acid derivatives
BASF AG6 citations71
US6603014B1Aug 5, 2003
Use of cyclic enamines as light protection agents
BASF AG2 citations63
US6413503B1Jul 2, 2002
Use of cyclic enamines as light protection agents
BASF AG5 citations63
US6129908AOct 10, 2000
Cosmetic or pharmaceutical preparations comprising 1,3,5-triazine derivatives and zinc oxide
BASF AG2 citations63
US6143906ANov 7, 2000
Ascorbyl sorbates
BASF AG6 citations58
US6524560B1Feb 25, 2003
Use of substituted vinyltetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agents
BASF AG1 citations52
US6210657B1Apr 3, 2001
Use of isoindolinone derivatives as stabilizers for organic materials
BASF AG0 citations52
US6007828ADec 28, 1999
Cosmetic preparations containing photostable UV-A filters
BASF AG1 citations52
US5932195AAug 3, 1999
Arylaminomethylenecamphor derivatives
BASF AG0 citations51
US6086857AJul 11, 2000
Cinnamylidene camphor derivatives and their use as UV-A protecting agents
BASF AG1 citations50
US6680390B2Jan 20, 2004
Use of substituted vinyl-tetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agents
BASF AG0 citations47