Inventor
SIMPSON DENNIS A
US45 patents
⚠️ This page may combine multiple inventors who share the name “SIMPSON DENNIS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG IND OHIO INC
27 patentsUS6593417B1Jul 15, 2003
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC112 citations99
US6657001B1Dec 2, 2003
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC85 citations98
US6387519B1May 14, 2002
Cured coatings having improved scratch resistance, coated substrates and methods thereto
PPG IND OHIO INC235 citations98
US7053149B2May 30, 2006
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC45 citations96
US6803408B2Oct 12, 2004
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC46 citations96
US6592999B1Jul 15, 2003
Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related thereto
PPG IND OHIO INC62 citations96
US6225434B1May 1, 2001
Film-forming compositions having improved scratch resistance
PPG IND OHIO INC70 citations96
US7005472B2Feb 28, 2006
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC49 citations95
US6987144B2Jan 17, 2006
Flexible coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC51 citations95
US6790904B2Sep 14, 2004
Liquid coating of film-forming resin and particles chemically modified to lower surface tension
PPG IND OHIO INC55 citations95
US6610777B1Aug 26, 2003
Flexible coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC74 citations95
US6517905B2Feb 11, 2003
Thermosetting compositions containing hydroxyl-functional polymers prepared using atom transfer radical polymerization
PPG IND OHIO INC17 citations93
US6319987B1Nov 20, 2001
Thermosetting compositions containing hydroxyl-functional polymers prepared using atom transfer radical polymerization
PPG IND OHIO INC26 citations93
US6759478B2Jul 6, 2004
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC33 citations92
US6592998B2Jul 15, 2003
Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related thereto
PPG IND OHIO INC42 citations92
US7531074B2May 12, 2009
Coating line and process for forming a multilayer composite coating on a substrate
PPG IND OHIO INC31 citations89
US7959981B2Jun 14, 2011
Process for depositing multiple coatings layers on a substrate
PPG IND OHIO INC12 citations84
US7329468B2Feb 12, 2008
Multi-layer composites formed from compositions having improved adhesion, coating compositions, and methods related thereto
PPG IND OHIO INC14 citations84
US6306965B1Oct 23, 2001
Thermosetting compositions containing carbamate-functional polylmers prepared using atom transfer radical polymerization
PPG IND OHIO INC19 citations84
US6541119B2Apr 1, 2003
Film-forming compositions having improved scratch resistance
PPG IND OHIO INC8 citations74
US6534188B2Mar 18, 2003
Film-forming compositions having improved scratch resistance
PPG IND OHIO INC11 citations74
US6485788B1Nov 26, 2002
Thermosetting compositions containing epoxy-functional polymers prepared using atom transfer radical
PPG IND OHIO INC8 citations74
US6319967B1Nov 20, 2001
Thermosetting compositions containing epoxy-functional polymers prepared using atom transfer radical polymerization
PPG IND OHIO INC10 citations74
US10273381B2Apr 30, 2019
Branched polyester polymers and coatings comprising the same
PPG IND OHIO INC1 citations61
US7872078B2Jan 18, 2011
Curable film-forming compositions demonstrating self-healing properties
PPG IND OHIO INC6 citations61
US12139630B2Nov 12, 2024
Polyhydroxyalkylamide materials for use as crosslinkers
PPG IND OHIO INC0 citations60
US11787968B2Oct 17, 2023
Coating composition
PPG IND OHIO INC0 citations47
PPG INDUSTRIES INC
8 patentsUS4681811AJul 21, 1987
Color plus clear coatings employing polyepoxides and polyacid curing agents in the clear coat
PPG INDUSTRIES INC255 citations99
US4650718AMar 17, 1987
Color plus clear coatings employing polyepoxides and polyacid curing agents
PPG INDUSTRIES INC149 citations99
US5196485AMar 23, 1993
One package stable etch resistant coating
PPG INDUSTRIES INC129 citations96
US4703101AOct 27, 1987
Liquid crosslinkable compositions using polyepoxides and polyacids
PPG INDUSTRIES INC88 citations96
US5256452AOct 26, 1993
One package stable etch resistant coating process
PPG INDUSTRIES INC60 citations94
US4737403AApr 12, 1988
Method of coating fiber-reinforced plastic substrates
PPG INDUSTRIES INC27 citations93
US4849283AJul 18, 1989
Composite coatings employing polyepoxides and polyacid curing agents in base coats
PPG INDUSTRIES INC27 citations92
US4917955AApr 17, 1990
Color plus clear composite coating having a catalyst-free base coat comprising polyepoxides and polyacid curing agents
PPG INDUSTRIES INC29 citations91
UNIV NORTH CAROLINA
4 patentsUS6008035ADec 28, 1999
System for the in vivo delivery and expression of heterologous genes in the bone marrow
UNIV NORTH CAROLINA76 citations96
US5811407ASep 22, 1998
System for the in vivo delivery and expression of heterologous genes in the bone marrow
UNIV NORTH CAROLINA55 citations96
US6583121B1Jun 24, 2003
System for the in vivo delivery and expression of heterologous genes in the bone marrow
UNIV NORTH CAROLINA52 citations94
US5639650AJun 17, 1997
cDNA clone for South African Arbovirus No. 86
UNIV NORTH CAROLINA45 citations92