Inventor · disambiguated record
Horst Westenfelder
Also filed as: WESTENFELDER HORST
39 granted patents·18 pending applications·955 citations·filing 1991–2015
98Inventor score
Top patents by PatentIndex Score
57 records- 0194US6545174B2Cosmetic and pharmaceutical preparations containing photostable UV filtersBASF AG·Filed 2001·Granted Apr 8, 2003·56 cites·3 claims
- 0294US5945091APhoto-stable cosmetic and pharmaceutical formulations containing UV-filtersBASF AG·Filed 1997·Granted Aug 31, 1999·132 cites·11 claims
- 0392US6541032B1Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositionsBASF AG·Filed 2000·Granted Apr 1, 2003·44 cites·8 claims
- 0490US6409995B1Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparationsBASF AG·Filed 2000·Granted Jun 25, 2002·69 cites·7 claims
- 0590US6407247B1Photo-stable cosmetic and pharmaceutical formulations containing UV-filtersBASF AG·Filed 2000·Granted Jun 18, 2002·23 cites·5 claims
- 0689US6436373B1Oligomeric diarylbutadienesBASF AG·Filed 1999·Granted Aug 20, 2002·37 cites·6 claims
- 0787US6191301B14,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparationBASF AG·Filed 2000·Granted Feb 20, 2001·25 cites·4 claims
- 0885US6093385A4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparationsBASF AG·Filed 1999·Granted Jul 25, 2000·52 cites·4 claims
- 0982US6329483B1Copolymers of carboxylic acids and quaternary ammonium compounds and the use thereof as thickeners of dispersantsBASF AG·Filed 1993·Granted Dec 11, 2001·38 cites·4 claims
- 1082US6037487APhoto-stable cosmetic and pharmaceutical formulations containing UV-filtersBASF AG·Filed 1999·Granted Mar 14, 2000·20 cites·2 claims
- 1181US6159455ADimeric α-alkylstyrene derivatives as photostable UV filters in cosmetic and pharmaceutical preparationsBASF AG·Filed 1999·Granted Dec 12, 2000·50 cites·6 claims
- 1280US6238649B1Cosmetic and pharmaceutical preparations containing photostable UV filtersBASF AG·Filed 1998·Granted May 29, 2001·43 cites·2 claims
- 1379US6060042AUse of cholesteric, liquid-crystalline compositions as UV filters in cosmetic and pharmaceutical preparationsBASF AG·Filed 1999·Granted May 9, 2000·56 cites·12 claims
- 1477US6001337ACosmetic composition with polymer-bound benzophenone chromophoresBASF AG·Filed 1997·Granted Dec 14, 1999·40 cites·3 claims
- 1576US6413503B1Use of cyclic enamines as light protection agentsBASF AG·Filed 2000·Granted Jul 2, 2002·5 cites·8 claims
- 1675US8207108B2Stabilizing compositionJERMANN ROLAND·Filed 2006·Granted Jun 26, 2012·5 cites·9 claims
- 1775US7102019B2Cosmetic and pharmaceutical preparations comprising ascorbic acid derivativesBASF AG·Filed 2001·Granted Sep 5, 2006·6 cites·4 claims
- 1875US6074472AHydrolytic preparation of titanium dioxide pigmentsBASF AG·Filed 1996·Granted Jun 13, 2000·29 cites·2 claims
- 1975US5869099ACosmetic composition with polymer-bound benzophenone chromophoresBASF AG·Filed 1997·Granted Feb 9, 1999·42 cites·5 claims
- 2074US6143850ALipophilic polymeric UV absorbersBASF AG·Filed 1998·Granted Nov 7, 2000·38 cites·4 claims
- 2172US6603014B1Use of cyclic enamines as light protection agentsBASF AG·Filed 2002·Granted Aug 5, 2003·2 cites·1 claims
- 2269US6524560B1Use of substituted vinyltetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agentsBASF AG·Filed 2000·Granted Feb 25, 2003·1 cites·8 claims
- 2366US6090374ACosmetic and pharmaceutical preparations comprising photostable UV filtersBASF AG·Filed 1998·Granted Jul 18, 2000·22 cites·19 claims
- 2465US2008305133A1Novel Cosmetic or Dermatological Combinations Comprising Modified Titanium Dioxide ParticlesDSM IP ASSETS BV·Filed 2006·Application pending·0 cites
- 2564US6346254B1Cosmetic and pharmaceutical preparations comprising ascorbic acid derivativesBASF AG·Filed 1998·Granted Feb 12, 2002·23 cites·1 claims
- 2663US5968484ACosmetic preparations comprising photostable UV-A filtersBASF AG·Filed 1997·Granted Oct 19, 1999·20 cites·11 claims
- 2763US2015118272A1Methods for enhancing cosmetic or dermatological novel cosmetic or dermatological compositions containing a dibenzoyl methane derivative by the addition of modified titanium dioxide particlesBERG-SCHULTZ KATJA·Filed 2014·Application pending·0 cites
- 2863US2007189994A1Light protecting composition with reduced total amount of uv filter containing a polysiloxane-based uv filterBERG KATJA·Filed 2004·Application pending·0 cites
- 2960US2010105638A1Cosmetic compositionsDEN-BRAVEN KERSTIN·Filed 2008·Application pending·0 cites
- 3057US6528575B1Use of crosslinked copolymers of monoethylenically unsaturated carboxylic acids as stabilizer in oil-in-water emulsionsBASF AG·Filed 1994·Granted Mar 4, 2003·20 cites·5 claims
- 3155US8883829B22-phenyl-1,2,3-benzotriazoles for UV radiation absorbanceSCHLIFKE-POSCHALKO ALEXANDER·Filed 2011·Granted Nov 11, 2014·0 cites·16 claims
- 3255US2012294916A1Novel cosmetic or dermatological combinations comprising modified titanium dioxide particlesBERG-SCHULTZ KATJA·Filed 2012·Application pending·0 cites
- 3354US6680390B2Use of substituted vinyl-tetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agentsBASF AG·Filed 2002·Granted Jan 20, 2004·0 cites·1 claims
- 3453US2009263340A1Cosmetic compositionsDSM IP ASSETS BV·Filed 2007·Application pending·0 cites
- 3553US2006073106A1Novel stabilized cinnamic ester sunscreen compositionsDSM IP ASSETS BV·Filed 2003·Application pending·0 cites
- 3651US7465774B1Use of copolymers of carboxylic acids and long-chain compounds with isolated C-C multiple bonds as thickeners or dispersantsBASF AG·Filed 1993·Granted Dec 16, 2008·8 cites·8 claims
- 3751US6124274AUse of ascorbyl 2'-phosphates for stabilizing vitamin A and/or vitamin A derivatives in cosmetic and pharmaceutical preparationsBASF AG·Filed 1998·Granted Sep 26, 2000·11 cites·5 claims
- 3851US2011206750A1Novel cosmetic or dermatological compositionsDEN BRAVE KERSTIN·Filed 2009·Application pending·0 cites
- 3951US2015174045A1Light protecting composition with reduced total amount of uv filter containing a polysiloxane-based uv filterBERG KATJA·Filed 2015·Application pending·0 cites
- 4050US5152991AUse of selectively hydrogenated styrene/butadiene copolymers in cosmetic and pharmaceutical compositionsBASF AG·Filed 1991·Granted Oct 6, 1992·14 cites·5 claims
- 4150US2004175332A1DentrificeFiled 2002·Application pending·0 cites
- 4248US2008199526A1Composition With Tight Capsules Containing a Sunscreen AgentPOSCHALKO ALEXANDER·Filed 2006·Application pending·0 cites
- 4347US2007053851A1Orally effective, essentially water-free topical agent containing one or several oxidation-sensitive substancesMAILLAN PHILIPPE E·Filed 2004·Application pending·0 cites
- 4447US2014255320A1Cosmetic compositionsMENDROK-EDINGER CHRISTINE·Filed 2012·Application pending·0 cites
- 4547US2015182439A1SunscreensMENDROK-EDINGER CHRISTINE·Filed 2012·Application pending·0 cites
- 4646US2008292711A1Polysiloxane Coated Metal Oxide ParticlesBERG-SCHULTZ KATJA·Filed 2006·Application pending·0 cites
- 4746US2002131941A1Colorant-containing aqueous polymer dispersionFiled 2001·Application pending·0 cites
- 4845US2012269876A1Topical compositionsSATZINGER THOMAS·Filed 2010·Application pending·0 cites
- 4943US6153174ACosmetic compositions comprising a combination of UV absorbersBASF AG·Filed 1997·Granted Nov 28, 2000·8 cites·5 claims
- 5042US6069258ACosmetic preparations comprising photostable UV-A filtersBASF AG·Filed 1999·Granted May 30, 2000·6 cites·15 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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