Inventor · disambiguated record
Dennis A. Simpson
Also filed as: SIMPSON DENNIS · SIMPSON DENNIS A · SIMPSON DENNIS ALLAN
46 granted patents·16 pending applications·1,918 citations·filing 1985–2022
99Inventor score
Top patents by PatentIndex Score
62 records- 0199US6593417B1Coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2000·Granted Jul 15, 2003·112 cites·65 claims
- 0299US4681811AColor plus clear coatings employing polyepoxides and polyacid curing agents in the clear coatPPG INDUSTRIES INC·Filed 1986·Granted Jul 21, 1987·255 cites·33 claims
- 0398US6657001B1Coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2000·Granted Dec 2, 2003·85 cites·61 claims
- 0498US6387519B1Cured coatings having improved scratch resistance, coated substrates and methods theretoPPG IND OHIO INC·Filed 2000·Granted May 14, 2002·235 cites·250 claims
- 0598US4650718AColor plus clear coatings employing polyepoxides and polyacid curing agentsPPG INDUSTRIES INC·Filed 1985·Granted Mar 17, 1987·149 cites·27 claims
- 0696US7053149B2Coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2004·Granted May 30, 2006·45 cites·68 claims
- 0796US6803408B2Coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2003·Granted Oct 12, 2004·46 cites·65 claims
- 0896US6610777B1Flexible coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2000·Granted Aug 26, 2003·74 cites·64 claims
- 0996US6592999B1Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related theretoPPG IND OHIO INC·Filed 2001·Granted Jul 15, 2003·62 cites·35 claims
- 1096US4703101ALiquid crosslinkable compositions using polyepoxides and polyacidsPPG INDUSTRIES INC·Filed 1985·Granted Oct 27, 1987·88 cites·11 claims
- 1195US9120916B1Acrylic polymers, curable film-forming compositions prepared therefrom, and method of mitigating dirt build-up on a substratePPG IND OHIO INC·Filed 2014·Granted Sep 1, 2015·11 cites·20 claims
- 1295US7005472B2Coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2004·Granted Feb 28, 2006·49 cites·72 claims
- 1395US6987144B2Flexible coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2003·Granted Jan 17, 2006·51 cites·67 claims
- 1495US6790904B2Liquid coating of film-forming resin and particles chemically modified to lower surface tensionPPG IND OHIO INC·Filed 2002·Granted Sep 14, 2004·55 cites·61 claims
- 1595US6225434B1Film-forming compositions having improved scratch resistancePPG IND OHIO INC·Filed 1999·Granted May 1, 2001·70 cites·44 claims
- 1695US5196485AOne package stable etch resistant coatingPPG INDUSTRIES INC·Filed 1991·Granted Mar 23, 1993·129 cites·19 claims
- 1793US7959981B2Process for depositing multiple coatings layers on a substratePPG IND OHIO INC·Filed 2007·Granted Jun 14, 2011·12 cites·19 claims
- 1893US6759478B2Coating compositions having improved scratch resistance, coated substrates and methods related theretoPPG IND OHIO INC·Filed 2003·Granted Jul 6, 2004·33 cites·69 claims
- 1991US6592998B2Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related theretoPPG IND OHIO INC·Filed 2001·Granted Jul 15, 2003·42 cites·29 claims
- 2087US5256452AOne package stable etch resistant coating processPPG INDUSTRIES INC·Filed 1992·Granted Oct 26, 1993·60 cites·13 claims
- 2186US7531074B2Coating line and process for forming a multilayer composite coating on a substratePPG IND OHIO INC·Filed 2003·Granted May 12, 2009·31 cites·52 claims
- 2285US7872078B2Curable film-forming compositions demonstrating self-healing propertiesPPG IND OHIO INC·Filed 2007·Granted Jan 18, 2011·6 cites·24 claims
- 2383US7329468B2Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related theretoPPG IND OHIO INC·Filed 2004·Granted Feb 12, 2008·14 cites·131 claims
- 2482US9434828B2Non-aqueous dispersions comprising a nonlinear acrylic stabilizerFUHRY MARY ANN M·Filed 2010·Granted Sep 6, 2016·4 cites·15 claims
- 2582US6517905B2Thermosetting compositions containing hydroxyl-functional polymers prepared using atom transfer radical polymerizationPPG IND OHIO INC·Filed 2001·Granted Feb 11, 2003·17 cites·42 claims
- 2679US9708504B2Branched polyester polymers and coatings comprising the sameSINGER DEBRA L·Filed 2010·Granted Jul 18, 2017·7 cites·23 claims
- 2778US6534188B2Film-forming compositions having improved scratch resistancePPG IND OHIO INC·Filed 2001·Granted Mar 18, 2003·11 cites·85 claims
- 2878US4849283AComposite coatings employing polyepoxides and polyacid curing agents in base coatsPPG INDUSTRIES INC·Filed 1987·Granted Jul 18, 1989·27 cites·16 claims
- 2977US11802180B2Polymeric polyoxazolinesPPG IND OHIO INC·Filed 2021·Granted Oct 31, 2023·0 cites·17 claims
- 3077US4917955AColor plus clear composite coating having a catalyst-free base coat comprising polyepoxides and polyacid curing agentsPPG INDUSTRIES INC·Filed 1987·Granted Apr 17, 1990·29 cites·17 claims
- 3175US6319987B1Thermosetting compositions containing hydroxyl-functional polymers prepared using atom transfer radical polymerizationPPG IND OHIO INC·Filed 1999·Granted Nov 20, 2001·26 cites·20 claims
- 3275US4737403AMethod of coating fiber-reinforced plastic substratesPPG INDUSTRIES INC·Filed 1987·Granted Apr 12, 1988·27 cites·17 claims
- 3373US8563648B2Coating composition comprising an alkoxysilane, a polysiloxane, and a plurality of particlesSCHMELTZER ROBERT·Filed 2009·Granted Oct 22, 2013·4 cites·13 claims
- 3473US6541119B2Film-forming compositions having improved scratch resistancePPG IND OHIO INC·Filed 2001·Granted Apr 1, 2003·8 cites·67 claims
- 3572US12139630B2Polyhydroxyalkylamide materials for use as crosslinkersPPG IND OHIO INC·Filed 2019·Granted Nov 12, 2024·0 cites·15 claims
- 3672US2023114335A1A crosslinking material and uses thereofPPG IND OHIO INC·Filed 2021·Application pending·0 cites
- 3772US2023117877A1A crosslinking material and uses thereofPPG IND OHIO INC·Filed 2021·Application pending·0 cites
- 3871US11597791B2Crosslinking material and uses thereofPPG IND OHIO INC·Filed 2020·Granted Mar 7, 2023·0 cites·9 claims
- 3971US6485788B1Thermosetting compositions containing epoxy-functional polymers prepared using atom transfer radicalPPG IND OHIO INC·Filed 2001·Granted Nov 26, 2002·8 cites·49 claims
- 4070US10988573B2Polymeric polyoxazolinesPPG IND OHIO INC·Filed 2017·Granted Apr 27, 2021·0 cites·13 claims
- 4170US8152982B2Coating line and process for forming a multilayer component coating on a substratePURDY SEAN·Filed 2009·Granted Apr 10, 2012·1 cites·53 claims
- 4269US9346959B2Non-aqueous dispersions comprising a nonlinear acrylic stabilizerDONALDSON SUSAN F·Filed 2012·Granted May 24, 2016·1 cites·22 claims
- 4367US10273381B2Branched polyester polymers and coatings comprising the samePPG IND OHIO INC·Filed 2017·Granted Apr 30, 2019·1 cites·16 claims
- 4467US6306965B1Thermosetting compositions containing carbamate-functional polylmers prepared using atom transfer radical polymerizationPPG IND OHIO INC·Filed 1999·Granted Oct 23, 2001·19 cites·67 claims
- 4564US2019031905A1Non-aqueous dispersions comprising an acrylic polymer stabilizer and an aliphatic polyester stabilized seed polymerPPG IND OHIO INC·Filed 2018·Application pending·0 cites
- 4661US2024132747A1Coated substratePPG IND OHIO INC·Filed 2022·Application pending·0 cites
- 4761US2024101860A1Coating compositionPPG IND OHIO INC·Filed 2022·Application pending·0 cites
- 4860US2012160685A1Coating line and process for forming a multilayer component coating on a substratePURDY SEAN·Filed 2012·Application pending·0 cites
- 4959US2014128508A1Non-aqueous dispersions comprising an acrylic polymer stabilizer and an aliphatic polyester stabilized seed polymerPPG IND OHIO INC·Filed 2012·Application pending·0 cites
- 5058US7151122B2UV curable polysiloxane clearcoatPGG IND OHIO INC·Filed 2004·Granted Dec 19, 2006·4 cites·4 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →