Inventor · disambiguated record
Dorai Ramprasad
Also filed as: RAMPRASAD DORAI
27 granted patents·8 pending applications·523 citations·filing 1986–2020
97Inventor score
Top patents by PatentIndex Score
35 records- 0197US8691114B2Semiconductor nanocrystals and compositions and devices including sameQD VISION INC·Filed 2013·Granted Apr 8, 2014·28 cites·20 claims
- 0297US8404154B2Blue emitting semiconductor nanocrystals and compositions and devices including sameBREEN CRAIG·Filed 2009·Granted Mar 26, 2013·52 cites·31 claims
- 0397US8377333B2Semiconductor nanocrystals and compositions and devices including sameQD VISION INC·Filed 2009·Granted Feb 19, 2013·45 cites·36 claims
- 0496US8906265B2Blue emitting semiconductor nanocrystals and compositions and devices including sameQD VISION INC·Filed 2013·Granted Dec 9, 2014·18 cites·22 claims
- 0595US9054329B2Light-emitting devices and displays with improved performanceCOE-SULLIVAN SETH·Filed 2008·Granted Jun 9, 2015·37 cites·48 claims
- 0691US5208335AReversible oxygen sorbent compositionsAIR PROD & CHEM·Filed 1992·Granted May 4, 1993·84 cites·14 claims
- 0790US8980133B2Semiconductor nanocrystals and compositions and devices including sameRAMPRASAD DORAI·Filed 2009·Granted Mar 17, 2015·23 cites·31 claims
- 0886US5767307AHeterogeneous catalyst for the production of ethylidene diacetate from acetic anhydrideAIR PROD & CHEM·Filed 1996·Granted Jun 16, 1998·71 cites·19 claims
- 0985US10137439B2Process and catalyst for the production of pyridine and alkyl derivatives thereofGRACE W R & CO·Filed 2017·Granted Nov 27, 2018·2 cites·19 claims
- 1083US9598366B2Process and catalyst for the production of pyridine and alkyl derivatives thereofGRACE W R & CO·Filed 2013·Granted Mar 21, 2017·2 cites·8 claims
- 1183US6184416B1Lithium aluminate as a catalyst support for hydrogenation of aromatic aminesAIR PROD & CHEM·Filed 2000·Granted Feb 6, 2001·25 cites·12 claims
- 1281US6916963B2Process using water tolerant Lewis acids in catalytic hydration of alkylene oxides to alkylene glycolsSAUDI BASIC IND CORP·Filed 2003·Granted Jul 12, 2005·11 cites·32 claims
- 1380US4680037ALacunar cobalt complexes for oxygen separationAIR PROD & CHEM·Filed 1986·Granted Jul 14, 1987·15 cites·26 claims
- 1475US9444008B2Semiconductor nanocrystals and compositions and devices including sameQD VISION INC·Filed 2014·Granted Sep 13, 2016·2 cites·21 claims
- 1573US10618039B2Process and catalyst for the production of pyridine and alkyl derivatives thereofGRACE W R & CO·Filed 2018·Granted Apr 14, 2020·0 cites·20 claims
- 1667US4735634APillared cobalt complexes for oxygen separationAIR PROD & CHEM·Filed 1986·Granted Apr 5, 1988·9 cites·20 claims
- 1766US9534172B2Blue emitting semiconductor nanocrystals and compositions and devices including sameQD VISION INC·Filed 2014·Granted Jan 3, 2017·1 cites·19 claims
- 1865US5294418AProcess for reversibly binding oxygenAIR PROD & CHEM·Filed 1992·Granted Mar 15, 1994·27 cites·18 claims
- 1959US9882083B2Semiconductor nanocrystals and compositions and devices including sameSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Jan 30, 2018·0 cites·19 claims
- 2058US5895823AProcess for the preparation of aqueous solutions of betaineAIR PROD & CHEM·Filed 1998·Granted Apr 20, 1999·6 cites·9 claims
- 2156US6046356APreparation of solutions of betaineAIR PROD & CHEM·Filed 1999·Granted Apr 4, 2000·5 cites·10 claims
- 2255US5126466ACyanocobaltate oxygen adductsAIR PROD & CHEM·Filed 1991·Granted Jun 30, 1992·15 cites·11 claims
- 2355US2017069787A1Semiconductor nanocrystals and compositions and devices including sameQD VISION INC·Filed 2016·Application pending·0 cites
- 2454US5141725AProcess using cyanocobaltate complexes for removing oxygen from a streamAIR PROD & CHEM·Filed 1991·Granted Aug 25, 1992·15 cites·23 claims
- 2554US2024165600A1Modified zeolite catalyst compositions and methods of useGRACE W R & CO·Filed 2020·Application pending·0 cites
- 2652US5728901ANitration process which employs water tolerant Lewis acid catalystsAIR PROD & CHEM·Filed 1996·Granted Mar 17, 1998·11 cites·9 claims
- 2750US5892110AHeterogeneous catalyst for the production of acetic anhydride from methyl acetateAIR PROD & CHEM·Filed 1996·Granted Apr 6, 1999·13 cites·18 claims
- 2848US2010051901A1Light emitting devices and displays with improved performanceKAZLAS PETER T·Filed 2009·Application pending·0 cites
- 2943US2012100417A1Electrolyte compositions and methods of making and using the sameRAMPRASAD DORAI·Filed 2010·Application pending·0 cites
- 3040US2005043573A1Methods, systems and catalysts for use in aromatic alkylation reactionsFiled 2004·Application pending·0 cites
- 3140US2004236158A1Methods, systems and catalysts for the hydration of olefinsFiled 2004·Application pending·0 cites
- 3238US5744636AProcess for the production of ethylidene diacetate from dimethyl ether using a heterogeneous catalystAIR PROD & CHEM·Filed 1996·Granted Apr 28, 1998·3 cites·19 claims
- 3338US2005119111A1Catalytic reactions using thermally stable resinsFiled 2004·Application pending·0 cites
- 3437US2005027135A1Methods, systems and catalysts for esterification, esters made thereby and downstream products made from the estersFiled 2004·Application pending·0 cites
- 3533US5239098ASolid state cyanocobaltate complexesAIR PROD & CHEM·Filed 1991·Granted Aug 24, 1993·3 cites·4 claims
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