Inventor · disambiguated record
Gurram Kishan
Also filed as: KISHAN GURRAM
21 granted patents·3 pending applications·81 citations·filing 2002–2011
93Inventor score
Top patents by PatentIndex Score
24 records- 0191US7563817B2Purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidinesSABIC INNOVATIVE PLASTICS IP·Filed 2005·Granted Jul 21, 2009·13 cites·17 claims
- 0285US7790832B2Methods for purifying 2-aryl-3,3-bis(hydroxyaryl)phthalimidinesSABIC INNOVATIVE PLASTICS IP·Filed 2007·Granted Sep 7, 2010·7 cites·30 claims
- 0385US7348439B22-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compounds and methods for making themGEN ELECTRIC·Filed 2005·Granted Mar 25, 2008·6 cites·7 claims
- 0482US7838689B2Method for producing phenolphthalein compound using ionic liquid catalyst compositionSABIC INNOVATIVE PLASTICS IP·Filed 2008·Granted Nov 23, 2010·5 cites·21 claims
- 0581US7915430B2Catalytic method for producing phenolphthalein compoundsSABIC INNOVATIVE PLASTICS IP·Filed 2008·Granted Mar 29, 2011·5 cites·20 claims
- 0679US7868190B2Method for producing phenolphthalein using a heteropolyacid catalystSABIC INNOVATIVE PLASTICS IP·Filed 2008·Granted Jan 11, 2011·4 cites·20 claims
- 0777US7592464B2Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefromSABIC INNOVATIVE PLASTICS IP·Filed 2007·Granted Sep 22, 2009·3 cites·27 claims
- 0877US7514524B2Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefromSABIC INNOVATIVE PLASTICS IP·Filed 2007·Granted Apr 7, 2009·3 cites·22 claims
- 0976US7541417B2Process for the purification of dihydric phenolsSABIC INNOVATIVE PLASTICS IP·Filed 2006·Granted Jun 2, 2009·5 cites·22 claims
- 1072US7915332B2Compositions and methods for polymer compositesSABIC INNOVATIVE PLASTICS IP·Filed 2007·Granted Mar 29, 2011·3 cites·23 claims
- 1171US7112702B2Process for the synthesis of bisphenolGEN ELECTRIC·Filed 2002·Granted Sep 26, 2006·14 cites·80 claims
- 1271US7041774B2Functionalized zeolite compositions and methods for their preparation and useGEN ELECTRIC·Filed 2003·Granted May 9, 2006·11 cites·46 claims
- 1365US7521505B2Method of stabilization of dihydric phenolsSABIC INNOVATIVE PLASTICS IP·Filed 2006·Granted Apr 21, 2009·1 cites·16 claims
- 1463US7304189B2Methods for preparing 1,1,1-tris(4-hydroxyphenyl)alkanesGEN ELECTRIC·Filed 2005·Granted Dec 4, 2007·1 cites·19 claims
- 1557US2007197761A12-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compounds and methods for making themGEN ELECTRIC·Filed 2007·Application pending·0 cites
- 1656US7473752B2Functionalized silicone resins, methods for their preparation, and use as catalystsSABIC INNOVATIVE PLASTICS IP·Filed 2007·Granted Jan 6, 2009·0 cites·15 claims
- 1755US7696388B2Process for producing bisphenol-ASABIC INNOVATIVE PLASTICS IP·Filed 2008·Granted Apr 13, 2010·0 cites·21 claims
- 1846US7193027B2Functionalized silicone resins, methods for their preparation, and use as catalystsGEN ELECTRIC·Filed 2003·Granted Mar 20, 2007·0 cites·4 claims
- 1942US2008015330A1Compositions and methods for polymer compositesCHAN KWOK P·Filed 2007·Application pending·0 cites
- 2041US7528210B2Method of purification of dihydric phenolsSABIC INNOVATIVE PLASTICS IP·Filed 2006·Granted May 5, 2009·0 cites·19 claims
- 2140US9169371B2Compositions having reduced frictional coefficient, method of manufacture thereof and articles comprising the sameSINHA REEMA·Filed 2011·Granted Oct 27, 2015·0 cites·12 claims
- 2239US7321069B2Process for preparing bisphenolsGEN ELECTRIC·Filed 2004·Granted Jan 22, 2008·0 cites·39 claims
- 2337US7015365B2Methods for preparing cycloalkylidene bisphenolsGEN ELECTRIC·Filed 2003·Granted Mar 21, 2006·0 cites·21 claims
- 2437US2006004214A1Methods for preparing 1,1,1-tris(4-hydroxyphenyl)alkanesKISHAN GURRAM·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Gurram Kishan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →