Inventor · disambiguated record
Roland Langner
Also filed as: LANGNER ROLAND
13 granted patents·5 pending applications·384 citations·filing 1983–2007
93Inventor score
Top patents by PatentIndex Score
18 records- 0196US4562067APreparation of novel dibenzoylmethane derivative sunscreen agentsHAARMANN & REIMER GMBH·Filed 1984·Granted Dec 31, 1985·106 cites·6 claims
- 0294US5585091AUse of benzazoles UV absorbers, new benzazoles and a process for their preparationHAARMANN & REIMER GMBH·Filed 1995·Granted Dec 17, 1996·91 cites·5 claims
- 0388US5783725AStabilized lactic acid menthyl esterHAARMANN & REIMER GMBH·Filed 1997·Granted Jul 21, 1998·42 cites·1 claims
- 0483US5965066AIndanylidene compounds, a process for their preparation and their use as UV absorbersHAARMANN & REIMER GMBH·Filed 1997·Granted Oct 12, 1999·24 cites·2 claims
- 0583US5961960AUse of substituted benzazoles as UV absorbers, new benzazoles and processes for their preparationHAARMANN & REIMER GMBH·Filed 1997·Granted Oct 5, 1999·33 cites·3 claims
- 0679US5527519AFinely divided, highly pure neutral zinc oxide powder, a process for its preparation and its useBAYER AG·Filed 1993·Granted Jun 18, 1996·44 cites·15 claims
- 0768US6037473AUse of substituted benzazoles as UV absorbers, new benzazoles and processes for their preparationHAARMANN & REIMER GMBH·Filed 1999·Granted Mar 14, 2000·12 cites·1 claims
- 0858US7208142B2Indanylidene compoundsSYMRISE GMBH & CO KG·Filed 2001·Granted Apr 24, 2007·0 cites·21 claims
- 0957US2009053154A1Mixtures of ethylhexyl p-methoxycinnamate and ethylhexyl salicylateSYMRISE GMBH & CO KG·Filed 2006·Application pending·0 cites
- 1056US2008085247A1Composition of Menthyl Lactate and a Mixture of Menthol IsomersSYMRISE GMBH & CO KG·Filed 2004·Application pending·0 cites
- 1154US2007185057A1Novel Indanone CompoundsSYMRISE GMBH & CO KG·Filed 2007·Application pending·0 cites
- 1249US6039939AN-acyl-hydroxyamino acid esters and their useHAARMANN & REIMER GMBH·Filed 1998·Granted Mar 21, 2000·12 cites·3 claims
- 1343US6258963B1Benzylidene-γ-butyrolactones, process for their preparation and their use as UV absorberHAARMANN & REIMER GMBH·Filed 1999·Granted Jul 10, 2001·7 cites·21 claims
- 1439US2003053967A1Use of 3,4-dihydroxy-mandelic acid for protecting against oxidative damage caused by ultra-violet lightFiled 2001·Application pending·0 cites
- 1538US6042814ASulphonic acids and their use as UV absorbersHAARMANN & REIMER GMBH·Filed 1996·Granted Mar 28, 2000·5 cites·6 claims
- 1636US2003139470A13,4-dihydroxybenzyl-substituted carbonic acid derivatives and the use thereof as antioxidantsFiled 2001·Application pending·0 cites
- 1735US6153175AIndanylidene compounds, a process for their preparation and their use as UV absorbersHAARMANN & REIMER GMBH·Filed 1999·Granted Nov 28, 2000·3 cites·2 claims
- 1834US4455295AN-(p-Sulfophenyl) cinnamamide as sunscreen agentHAARMANN & REIMER GMBH·Filed 1983·Granted Jun 19, 1984·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →