Inventor · disambiguated record
Claude Dufresne
Also filed as: DUFRESNE CLAUDE
33 granted patents·3 pending applications·624 citations·filing 1982–2014
97Inventor score
Top patents by PatentIndex Score
36 records- 0194US5952347AQuinoline leukotriene antagonistsMERCK & CO INC·Filed 1998·Granted Sep 14, 1999·80 cites·6 claims
- 0293US6498151B2Aryldifluoromethylphosphonic acids with sulfur-containing substituents as PTP-1B inhibitorsMERCK FROSST CANADA INC·Filed 2001·Granted Dec 24, 2002·56 cites·26 claims
- 0391US7144913B2Dihydropyrrolo[1,2-a]indole and tetrahydropyrido[1,2-a]-indole derivatives as prostaglandin d2 receptor antagonistsMERCK FROSST CANADA INC·Filed 2002·Granted Dec 5, 2006·55 cites·29 claims
- 0491US5260332ACholesterol lowering compoundsMERCK & CO INC·Filed 1992·Granted Nov 9, 1993·44 cites·18 claims
- 0589US5283256ACholesterol-lowering agentsMERCK & CO INC·Filed 1992·Granted Feb 1, 1994·58 cites·18 claims
- 0688US7622501B2Nitric oxide releasing prodrugs of diaryl-2-(5H)-furanones as cyclooxygenase-2 inhibitorsMERCK FROSST CANADA INC·Filed 2005·Granted Nov 24, 2009·14 cites·15 claims
- 0787US7199154B2Nitric oxide releasing prodrugs of diaryl-2-(5h)-furanones as cyclooxygenase-2 inhibitorsMERCK FROSST COMPANY·Filed 2003·Granted Apr 3, 2007·42 cites·18 claims
- 0886US6486142B2Phosphonic acid derivatives as inhibitors of protein tyrosine phosphatase 1B (PTP-1B)MERCK FROSST CANADA INC·Filed 2000·Granted Nov 26, 2002·25 cites·29 claims
- 0986US5102907ANovel squalene synthetase inhibitorsMERCK & CO INC·Filed 1990·Granted Apr 7, 1992·34 cites·12 claims
- 1083US6365592B1Phosphonic and carboxylic acid derivatives as inhibitors of protein tyrosine phosphatase-1B (PTP-1B)MERCK FROSST CANADA INC·Filed 2000·Granted Apr 2, 2002·14 cites·15 claims
- 1182US6583126B2Phosphonic acid derivatives as inhibitors of protein tyrosine phosphatase 1B (PTP-1B)MERCK FROSST CANADA INC·Filed 2000·Granted Jun 24, 2003·21 cites·17 claims
- 1281US8168815B2Fused aromatic PTP-1B inhibitorsCOLUCCI JOHN·Filed 2008·Granted May 1, 2012·4 cites·8 claims
- 1380US6777433B2Protein tyrosine phosphatase 1B (PTP-1B) inhibitors containing two ortho-substituted aromatic phosphonatesMERCK FROSST CANADA INC·Filed 2002·Granted Aug 17, 2004·12 cites·21 claims
- 1479US6448429B1Protein tyrosine phosphatase 1B (PTP-1B) inhibitors containing two ortho-substituted aromatic phosphonatesMERCK FROSST CANADA INC·Filed 2000·Granted Sep 10, 2002·13 cites·28 claims
- 1577US6174874B1Phosphonic acids derivatives as inhibitors of protein tyrosine phosphate 1B (PTP-1B)MERCK FROSST CANADA INC·Filed 1999·Granted Jan 16, 2001·21 cites·23 claims
- 1675US5310949ACholesterol lowering compoundsMERCK & CO INC·Filed 1992·Granted May 10, 1994·17 cites·9 claims
- 1774US7618979B2Pyridopyrrolizine and pyridoindolizine derivativesMERCK FROSST CANADA LTD·Filed 2003·Granted Nov 17, 2009·7 cites·16 claims
- 1873US8927526B2Fused aromatic PTP-1B inhibitorsCOLUCCI JOHN·Filed 2013·Granted Jan 6, 2015·1 cites·15 claims
- 1972US5132320ASqualene synthetase inhibitorsMERCK & CO INC·Filed 1990·Granted Jul 21, 1992·17 cites·14 claims
- 2071US8481742B2Fused aromatic PTP-1B inhibitorsCOLUCCI JOHN·Filed 2012·Granted Jul 9, 2013·1 cites·5 claims
- 2171US7163932B2Aryldifluoromethylphosphonic acids for treatment of diabetesMERCK FROSST CANADA INC·Filed 2002·Granted Jan 16, 2007·5 cites·19 claims
- 2271US5149703AQuinoline-substituted chromans and related compounds as leukotriene antagonistsMERCK FROSST CANADA INC·Filed 1991·Granted Sep 22, 1992·12 cites·4 claims
- 2365US5472964ADiaryl 5,6-fused heterocyclic acids as leukotriene antagonistsMERCK FROSST CANADA INC·Filed 1994·Granted Dec 5, 1995·20 cites·6 claims
- 2462US9334295B2Fused aromatic PTP-1B inhibitorsCOLUCCI JOHN·Filed 2014·Granted May 10, 2016·0 cites·5 claims
- 2558US6348572B1Ligands for phosphatase binding assayMERCK FROSST CANADA INC·Filed 1998·Granted Feb 19, 2002·12 cites·5 claims
- 2658US5506262ACholesterol lowering compoundsMERCK & CO INC·Filed 1992·Granted Apr 9, 1996·7 cites·9 claims
- 2752US5254727AAcyclic tricarboxylic acid compoundsMERCK & CO INC·Filed 1992·Granted Oct 19, 1993·5 cites·8 claims
- 2851US8685999B2Beta carboline sulphonylurea derivatives as EP4 receptor antagonistsBERTHELETTE CARL·Filed 2009·Granted Apr 1, 2014·0 cites·17 claims
- 2951US5091533A5-hydroxy-2,3-dihydrobenzofuran analogs as leukotriene biosynthesis inhibitorsMERCK FROSST CANADA INC·Filed 1990·Granted Feb 25, 1992·12 cites·24 claims
- 3050US2010137371A1Novel Pharmaceutical CompoundsBERTHELETTE CARL·Filed 2006·Application pending·0 cites
- 3149US5750539AHeteroaryl diol acids as leukotriene antagonistsMERCK FROSST CANADA·Filed 1995·Granted May 12, 1998·9 cites·8 claims
- 3247US10199198B2Electron microscope and method for transmission electron microscopy imaging of sample arraysSCIENION AG·Filed 2014·Granted Feb 5, 2019·0 cites·20 claims
- 3345US4453005AProcess for preparing substituted phenylalkenoic acidsMERCK FROSST CANADA INC·Filed 1982·Granted Jun 5, 1984·2 cites·10 claims
- 3441US2008318310A1Method and Apparatus for Automatically Isolating Microbial SpeciesMERCK & CO INC·Filed 2005·Application pending·0 cites
- 3540US5350760AAza-5,5-fused hetrocyclic acids as leukotriene antagonistsMERCK FROSST CANADA INC·Filed 1993·Granted Sep 27, 1994·4 cites·14 claims
- 3640US2008242722A1Combination Therapy for Treating Cyclooxygenase-2 Mediated Diseases or Conditions in Patients at Risk of Thrombotic Cardiovascular EventsDUFRESNE CLAUDE·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →