Inventor · disambiguated record
Ramanathan Ravichandran
Also filed as: RAVICHANDRAN RAMANATHAN · SIMON DIRK
146 granted patents·19 pending applications·3,884 citations·filing 1984–2023
99Inventor score
Top patents by PatentIndex Score
165 records- 0199US5574166ACrystalline form of 2-(2-hydroxy-3-α-cumyl-5-tert-octylphenyl)-2H-benzotriazoleCIBA GEIGY CORP·Filed 1995·Granted Nov 12, 1996·95 cites·5 claims
- 0298US7157586B2Bloom-resistant benzotriazole UV absorbers and compositions stabilized therewithCIBA SPECIALTY CHEMCIALS CORP·Filed 2002·Granted Jan 2, 2007·135 cites·3 claims
- 0398US6166218ABenzotriazole UV absorbers having enhanced durabilityCIBA SC HOLDING AG·Filed 1999·Granted Dec 26, 2000·182 cites·8 claims
- 0498US5096950APolyolefin compositions stabilized with NOR-substituted hindered aminesCIBA GEIGY CORP·Filed 1990·Granted Mar 17, 1992·181 cites·32 claims
- 0597US7485729B2Organometallic compositions and coating compositionsKING INDUSTRIES INC·Filed 2006·Granted Feb 3, 2009·39 cites·6 claims
- 0697US6271377B1Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewithCIBA SC HOLDING AG·Filed 1999·Granted Aug 7, 2001·89 cites·8 claims
- 0797US5977219ABenzotriazole UV absorbers having enhanced durabilityCIBA SC HOLDING AG·Filed 1997·Granted Nov 2, 1999·135 cites·14 claims
- 0897US5607987A2-(2-hydroxy-3-α cumyl-5-tert nonyl or dodecyl phenyl)-2H- Benzotriazole UV AbsorbersCIBA GEIGY CORP·Filed 1996·Granted Mar 4, 1997·78 cites·1 claims
- 0997US4876300APolyolefin compositions stabilized with long chain N,N-dialkylhydroxylaminesCIBA GEIGY CORP·Filed 1987·Granted Oct 24, 1989·84 cites·31 claims
- 1097US4720517ACompositions stabilized with N-hydroxyiminodiacetic and dipropionic acids and esters thereofCIBA GEIGY CORP·Filed 1986·Granted Jan 19, 1988·97 cites·13 claims
- 1196US7244776B2Ultraviolet light absorbersCIBA SC HOLDING AG·Filed 2006·Granted Jul 17, 2007·28 cites·3 claims
- 1296US6376584B1Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewithCIBA SC HOLDING AG·Filed 2001·Granted Apr 23, 2002·90 cites·45 claims
- 1396US5563242AElectro coat/base coat/clear coat finishes stabilized with soluble and thermally stable benzotriazole UV absorbersCIBA GEIGY CORP·Filed 1995·Granted Oct 8, 1996·76 cites·13 claims
- 1496US5554760A2-(2-hydroxy-3-α-cumyl-5-nonylor 5-dodecylphenyl)-2H-benzotriazoleCIBA GEIGY CORP·Filed 1995·Granted Sep 10, 1996·66 cites·2 claims
- 1596US5436349ACompositions stabilized with 5-sulfonyl-substituted benotriazole UV-absorbersCIBA GEIGY CORP·Filed 1993·Granted Jul 25, 1995·82 cites·23 claims
- 1696US5280124A5-sulfonyl-substituted benzotriazole UV-absorbersCIBA GEIGY CORP·Filed 1992·Granted Jan 18, 1994·101 cites·4 claims
- 1795US5516914ACompositions stabilized with 5-thio-substituted benzotriazole UV-absorbersCIBA GEIGY CORP·Filed 1993·Granted May 14, 1996·84 cites·27 claims
- 1895US5354794AElectro coat/base coat/clear coat finishes stabilized with S-triazine UV absorbersCIBA GEIGY CORP·Filed 1994·Granted Oct 11, 1994·70 cites·8 claims
- 1995US5278314A5-thio-substituted benzotriazole UV-absorbersCIBA GEIGY CORP·Filed 1992·Granted Jan 11, 1994·91 cites·4 claims
- 2094US11749422B2Silane functional stabilizers for extending long-term electrical power cable performanceNOVINIUM LLC·Filed 2020·Granted Sep 5, 2023·3 cites·19 claims
- 2194US8088846B2Organometallic compositions and coating compositionsHSIEH BING·Filed 2008·Granted Jan 3, 2012·26 cites·9 claims
- 2294US5216156ANon-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine 1,3,5-triazine derivativesCIBA GEIGY CORP·Filed 1992·Granted Jun 1, 1993·65 cites·10 claims
- 2394US5145893ANon-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizersCIBA GEIGY CORP·Filed 1990·Granted Sep 8, 1992·73 cites·17 claims
- 2494US4972009APolymer stabilizers containing both hindered amine and nitrone moietiesCIBA GEIGY CORP·Filed 1989·Granted Nov 20, 1990·45 cites·32 claims
- 2594US4898901ALong chain N-alkyl-alpha-alkyl nitrones and polyolefin compositions stabilized therewithCIBA GEIGY CORP·Filed 1989·Granted Feb 6, 1990·41 cites·28 claims
- 2693US10640641B2Curable coating compositions of silane functional polymersKING IND·Filed 2018·Granted May 5, 2020·7 cites·46 claims
- 2793US9006316B2Organometallic compositions and coating compositionsHSIEH BING·Filed 2011·Granted Apr 14, 2015·11 cites·57 claims
- 2893US6451887B1Benzotriazoles containing α-cumyl groups substituted by heteroatoms and compositions stabilized therewithCIBA SC HOLDING AG·Filed 2000·Granted Sep 17, 2002·38 cites·40 claims
- 2993US6392041B1Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewithCIBA SC HOLDING AG·Filed 2000·Granted May 21, 2002·32 cites·4 claims
- 3093US6225384B1Stabilized adhesive compositions containing highly soluble, high extinction, photostable hydroxyphenyl-s-trianzine UV absorbers and laminated articles derived therefromCIBA SC HOLDING AG·Filed 2000·Granted May 1, 2001·56 cites·23 claims
- 3193US5556973ARed-shifted tris-aryl-s-triazines and compositions stabilized therewithCIBA GEIGY CORP·Filed 1994·Granted Sep 17, 1996·40 cites·7 claims
- 3292US7173128B2Ultraviolet light absorbersCIBA SC HOLDING AG·Filed 2002·Granted Feb 6, 2007·35 cites·3 claims
- 3392US6245915B1Asymmetrical bisbenzotriazoles substituted by a perfluoroalkyl moietyCIBA SC HOLDING AG·Filed 2000·Granted Jun 12, 2001·35 cites·4 claims
- 3491US8912113B2Compositions of a metal amidine complex and second compound, coating compositions comprising sameRAVICHANDRAN RAMANATHAN·Filed 2012·Granted Dec 16, 2014·20 cites·50 claims
- 3591US6472456B1Flame retardant compositionsCIBA SC HOLDING AG·Filed 1999·Granted Oct 29, 2002·60 cites·12 claims
- 3691US5300544ANon-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperdine 1,3,5-triazine derivatives as polymer stabilizersCIBA GEIGY CORP·Filed 1993·Granted Apr 5, 1994·41 cites·11 claims
- 3791US5021478ACompounds containing both UV-absorber and 1-hydrocarbyloxy hindered amine moieties and stabilized compositionsCIBA GEIGY CORP·Filed 1990·Granted Jun 4, 1991·48 cites·35 claims
- 3890US6677392B2Photostable, silylated benzotriazole UV absorbers and compositions stabilized therewithCIBA SC HOLDING AG·Filed 2001·Granted Jan 13, 2004·29 cites·23 claims
- 3990US5543518ARed-shifted tris-aryl-s-triazines and compositions stabilized therewithCIBA GEIGY CORP·Filed 1995·Granted Aug 6, 1996·35 cites·3 claims
- 4090US4782105ALong chain N,N,-dialkylhydroxylamines and stabilized compositionsCIBA GEIGY CORP·Filed 1987·Granted Nov 1, 1988·55 cites·17 claims
- 4189US5679794APolymer stabilizers containing both hindered amine and hydroxylamine moietiesCIBA GEIGY CORP·Filed 1995·Granted Oct 21, 1997·35 cites·9 claims
- 4288US10023764B2Zinc (1-methylimidazole)bis(2-ethylhexanoate) complex catalyzed coating material compositionBASF COATINGS GMBH·Filed 2013·Granted Jul 17, 2018·5 cites·26 claims
- 4388US4703073AAlkylated N,N-dibenzylhydroxylamines and polyolefin compositions stabilized therewithCIBA GEIGY CORP·Filed 1986·Granted Oct 27, 1987·38 cites·9 claims
- 4487US9976028B2Curable coating compositions of silane functional polymersKING IND·Filed 2016·Granted May 22, 2018·2 cites·74 claims
- 4587US6387992B1Substituted 5-heteroaryl-2-(2-hydroxyphenyl)-2h-benzotriazole UV absorbers, a process for preparation thereof and compositions stabilized therewithCIBA SC HOLDING AG·Filed 2000·Granted May 14, 2002·19 cites·24 claims
- 4687US4612393ABis(substituted thioalkyl)hydroxylamines and stabilized polyolefin compositionsCIBA GEIGY CORP·Filed 1985·Granted Sep 16, 1986·32 cites·28 claims
- 4786US4757102ACompositions stabilized with aminoxy alkylamine derivativesCIBA GEIGY CORP·Filed 1986·Granted Jul 12, 1988·22 cites·21 claims
- 4885US7820602B2Amine tungstates and lubricant compositionsKING INDUSTRIES INC·Filed 2006·Granted Oct 26, 2010·8 cites·25 claims
- 4985US7531664B2Flame retarding compoundsCIBA SC HOLDING AG·Filed 2005·Granted May 12, 2009·7 cites·5 claims
- 5085US5476937AS-triazine UV absorbers substituted by a sulfur-containing moietyCIBA GEIGY CORP·Filed 1994·Granted Dec 19, 1995·46 cites·2 claims
Showing the top 50 of 165 patent records by PatentIndex Score.
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