Inventor · disambiguated record
Hari Babu Sunkara
Also filed as: SUNKARA HARI B · SUNKARA HARI BABU · SUNKARA HARI BABU BABU
81 granted patents·64 pending applications·1,212 citations·filing 1996–2024
99Inventor score
Files withDU PONT81SUNKARA HARI BABU13FENYVESI GYORGYI7YOKOYAMA AYUMU7DUPONT IND BIOSCIENCES USA LLC6
Top patents by PatentIndex Score
145 records- 0198US7357985B2High crimp bicomponent fibersDU PONT·Filed 2005·Granted Apr 15, 2008·42 cites·29 claims
- 0298US7038092B2Purification of chemical 1,3-propanediolDU PONT·Filed 2005·Granted May 2, 2006·62 cites·23 claims
- 0398US6720459B2Continuous process for the preparation of polytrimethylene ether glycolDU PONT·Filed 2000·Granted Apr 13, 2004·137 cites·39 claims
- 0497US6977291B2Production of polytrimethylene ether glycol and copolymers thereofDU PONT·Filed 2000·Granted Dec 20, 2005·78 cites·87 claims
- 0596US7161045B1Process for manufacture of polytrimethylene ether glycolDU PONT·Filed 2005·Granted Jan 9, 2007·22 cites·20 claims
- 0696US7157607B1Manufacture of polytrimethylene ether glycolDU PONT·Filed 2005·Granted Jan 2, 2007·23 cites·18 claims
- 0796US6562457B1Polyether ester elastomer comprising polytrimethylene ether ester soft segment and tetramethylene ester hard segmentDU PONT·Filed 2001·Granted May 13, 2003·58 cites·38 claims
- 0895US7084311B2Hydrogenation of chemically derived 1,3-propanediolDU PONT·Filed 2003·Granted Aug 1, 2006·36 cites·33 claims
- 0994US7628999B2Personal care compositionsSUNKARA HARI BABU·Filed 2007·Granted Dec 8, 2009·9 cites·20 claims
- 1094US7531593B2Thermoplastic elastomer blend compositionDU PONT·Filed 2006·Granted May 12, 2009·14 cites·20 claims
- 1194US6875514B2Coating composition containing polytrimethylene ether diol useful as a primer compositionDU PONT·Filed 2003·Granted Apr 5, 2005·42 cites·34 claims
- 1294US6599625B2Polyether ester elastomer comprising polytrimethylene ether ester soft segment and trimethylene ester hard segmentDU PONT·Filed 2001·Granted Jul 29, 2003·44 cites·38 claims
- 1393US7244790B2Thermoplastic elastomer blend, method of manufacture and use thereofDU PONT·Filed 2005·Granted Jul 17, 2007·17 cites·27 claims
- 1492US7164046B1Manufacture of polytrimethylene ether glycolDU PONT·Filed 2006·Granted Jan 16, 2007·13 cites·11 claims
- 1592US6235948B1Process for the purification of 1,3-propanediolDU PONT·Filed 1999·Granted May 22, 2001·102 cites·26 claims
- 1691US6852823B2Polyurethane and polyurethane-urea elastomers from polytrimethylene ether glycolDU PONT·Filed 2002·Granted Feb 8, 2005·37 cites·62 claims
- 1789US7728175B1Linear amine functionalized poly(trimethylene ether) compositionsDU PONT·Filed 2008·Granted Jun 1, 2010·8 cites·5 claims
- 1889US6165389AThermally switchable optical devicesUNIV PITTSBURGH·Filed 1999·Granted Dec 26, 2000·77 cites·16 claims
- 1988US11142628B2Plasticizers polyamide compositionsDU PONT·Filed 2019·Granted Oct 12, 2021·1 cites·12 claims
- 2088US7388115B2Manufacture of polytrimethylene ether glycolDU PONT·Filed 2006·Granted Jun 17, 2008·8 cites·17 claims
- 2188US7294746B2Processes for removal of color bodies from polytrimethylene ether glycol polymersDU PONT·Filed 2005·Granted Nov 13, 2007·6 cites·17 claims
- 2288US6316586B1Copolyether composition and processes therefor and therewithDU PONT·Filed 2000·Granted Nov 13, 2001·30 cites·23 claims
- 2387US9273259B2Stabilized fluids for industrial applicationsDU PONT·Filed 2014·Granted Mar 1, 2016·3 cites·13 claims
- 2487US2024218118A1Process for preparing poly(alkylene furandicarboxylate)COVATION INC·Filed 2024·Application pending·0 cites
- 2586US9018263B2Antimicrobial compositions comprising trimethylene glycol oligomer and methods of using the compositionsFENYVESI GYORGYI·Filed 2011·Granted Apr 28, 2015·3 cites·8 claims
- 2686US8288324B2Wellbore fluids comprising poly(trimethylene ether) glycol polymersSUNKARA HARI BABU·Filed 2011·Granted Oct 16, 2012·5 cites·11 claims
- 2785US8029812B2Personal care compositionsDU PONT·Filed 2009·Granted Oct 4, 2011·6 cites·21 claims
- 2885US6946539B2Polyurethane and polyurethane-urea comprised of poly(trimethylene-ethylene ether) glycol soft segmentDU PONT·Filed 2003·Granted Sep 20, 2005·19 cites·26 claims
- 2984US8759565B2Polytrimethylene ether glycol estersSUNKARA HARI BABU·Filed 2010·Granted Jun 24, 2014·3 cites·5 claims
- 3084US7169475B2Coating composition containing polytrimethylene ether diol useful as a clear coat composition and as a primer compositionDU PONT·Filed 2004·Granted Jan 30, 2007·17 cites·10 claims
- 3184US2023265239A1Process for preparing poly(alkylene furandicarboxylate)COVATION INC·Filed 2023·Application pending·0 cites
- 3283US9410010B2Urea-terminated polyurethane dispersantsROBERTS C CHAD·Filed 2008·Granted Aug 9, 2016·6 cites·17 claims
- 3383US7323539B2Polytrimethylene ether glycol and polytrimethylene ether ester with excellent qualityDU PONT·Filed 2004·Granted Jan 29, 2008·15 cites·37 claims
- 3483US7179769B2Poly (trimethylene-ethylene ether) glycol lube oilsDU PONT·Filed 2003·Granted Feb 20, 2007·20 cites·32 claims
- 3582US7009082B2Removal of color bodies from polytrimethylene ether glycol polymersDU PONT·Filed 2003·Granted Mar 7, 2006·14 cites·6 claims
- 3682US2021301080A1Process for preparing poly(alkylene furandicarboxylate)DUPONT IND BIOSCIENCES USA LLC·Filed 2021·Application pending·0 cites
- 3781US8410205B2Matting agent composition containing low molecular weight polytrimethylene ether glycolSALIYA RAJESH GOPALAN·Filed 2011·Granted Apr 2, 2013·3 cites·20 claims
- 3881US6905765B2Polyether ester elastomers comprising poly(trimethylene-ethylene ether) ester soft segment and alkylene ester hard segmentDU PONT·Filed 2003·Granted Jun 14, 2005·15 cites·25 claims
- 3981US6094273ACrystalline colloidal array compositionsUNIV PITTSBURGH·Filed 1998·Granted Jul 25, 2000·46 cites·10 claims
- 4081US2023257520A1Process for preparing poly(trimethylene furandicarboxylate) using zinc catalystCOVATION INC·Filed 2023·Application pending·0 cites
- 4180US8829076B2Thermoset composition containing low molecular weight polytrimethylene ether glycolYOKOYAMA AYUMU·Filed 2011·Granted Sep 9, 2014·2 cites·2 claims
- 4280US8758660B2Process of making high crimp bicomponent fibersKURIAN JOSEPH V·Filed 2008·Granted Jun 24, 2014·3 cites·8 claims
- 4380US7745668B2Processes for reducing color in polytrimethylene ether glycol polymersDU PONT·Filed 2007·Granted Jun 29, 2010·3 cites·16 claims
- 4480US7268182B2Polytrimethylene ether diol containing coating compositionsDU PONT·Filed 2004·Granted Sep 11, 2007·22 cites·47 claims
- 4579US7790833B2Processes for the polymerization of trimethylene carbonate to poly(trimethylene glycol carbonate trimethylene glycol ether) diolDU PONT·Filed 2008·Granted Sep 7, 2010·3 cites·10 claims
- 4678US8759559B2Processes for preparing polytrimethylene ether glycol estersSUNKARA HARI BABU·Filed 2012·Granted Jun 24, 2014·4 cites·9 claims
- 4778US8703681B2Lubrication oil compositionsPAGE MATTHEW ARTHUR·Filed 2010·Granted Apr 22, 2014·3 cites·16 claims
- 4878US2021403675A1Plasticizers polyamide compositionsDUPONT IND BIOSCIENCES USA LLC·Filed 2021·Application pending·0 cites
- 4978US2021269589A1Process for preparing poly(trimethylene furandicarboxylate) using zinc catalystDUPONT IND BIOSCIENCES USA LLC·Filed 2021·Application pending·0 cites
- 5077US8884073B2Processes for preparing polytrimethylene ether glycolMULIAWAN EDWARD BUDI·Filed 2012·Granted Nov 11, 2014·4 cites·9 claims
Showing the top 50 of 145 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →