Inventor · disambiguated record
Frank Prechtl
Also filed as: PRECHTL FRANK
21 granted patents·1 pending application·307 citations·filing 1998–2005
95Inventor score
Files withBASF AG21
Top patents by PatentIndex Score
22 records- 0190US6409995B1Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparationsBASF AG·Filed 2000·Granted Jun 25, 2002·69 cites·7 claims
- 0289US6468444B1Chiral compounds and their use as chiral dopants for producing cholesteric liquid crystal compositionsBASF AG·Filed 2000·Granted Oct 22, 2002·56 cites·11 claims
- 0383US6699405B2Polymerizable liquid crystalsBASF AG·Filed 2001·Granted Mar 2, 2004·26 cites·19 claims
- 0481US7998314B2Method for the production of paper, cardboard and cardBASF AG·Filed 2005·Granted Aug 16, 2011·6 cites·20 claims
- 0581US6159455ADimeric α-alkylstyrene derivatives as photostable UV filters in cosmetic and pharmaceutical preparationsBASF AG·Filed 1999·Granted Dec 12, 2000·50 cites·6 claims
- 0677US6605235B1Cholesteric layered material having an improved color impression, and the production thereofBASF AG·Filed 2000·Granted Aug 12, 2003·10 cites·30 claims
- 0776US6413503B1Use of cyclic enamines as light protection agentsBASF AG·Filed 2000·Granted Jul 2, 2002·5 cites·8 claims
- 0873US6569355B1Chiral compounds, and their use as chiral dopants for the preparation of cholesteric liquid-crystalline compositionsBASF AG·Filed 2000·Granted May 27, 2003·7 cites·14 claims
- 0972US6603014B1Use of cyclic enamines as light protection agentsBASF AG·Filed 2002·Granted Aug 5, 2003·2 cites·1 claims
- 1071US6793986B2Polymerizable liquid crystalsBASF AG·Filed 2003·Granted Sep 21, 2004·10 cites·43 claims
- 1169US6524560B1Use of substituted vinyltetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agentsBASF AG·Filed 2000·Granted Feb 25, 2003·1 cites·8 claims
- 1268US6410698B1Reactive dyes with a combination anchorBASF AG·Filed 1999·Granted Jun 25, 2002·10 cites·11 claims
- 1363US6850310B1Cholesteric layered material having improved color stability, and the production thereofBASF AG·Filed 2000·Granted Feb 1, 2005·8 cites·32 claims
- 1461US6616990B2Chiral 1, 3-dioxane compoundsBASF AG·Filed 2001·Granted Sep 9, 2003·8 cites·18 claims
- 1560US6159454AUse of cholesteric liquid-crystalline polymers as UV screens in cosmetic and pharmaceutical preparationsBASF AG·Filed 1999·Granted Dec 12, 2000·15 cites·12 claims
- 1654US7258902B2Chiral 3,4-dihydro-2H-pyran compoundsBASF AG·Filed 2003·Granted Aug 21, 2007·4 cites·20 claims
- 1754US6680390B2Use of substituted vinyl-tetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agentsBASF AG·Filed 2002·Granted Jan 20, 2004·0 cites·1 claims
- 1851US6278025B1Process for the preparation of substituted dibenzoylmethane compoundsBASF AG·Filed 1999·Granted Aug 21, 2001·4 cites·13 claims
- 1948US6712992B2Liquid-crystalline composition of matterBASF AG·Filed 2001·Granted Mar 30, 2004·2 cites·14 claims
- 2048US6485527B1Use of reactive dyes for dyeing hairBASF AG·Filed 1998·Granted Nov 26, 2002·11 cites·25 claims
- 2147US6695977B2Use of chiral, uncharged metal compounds as dopants for liquid-crystalline materialsBASF AG·Filed 2001·Granted Feb 24, 2004·3 cites·31 claims
- 2247US2002025301A1Novel flavonoids and their use in cosmetic and dermatological preparationsFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →