Inventor
BARKAC KAREN A
US35 patents
⚠️ This page may combine multiple inventors who share the name “BARKAC KAREN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG IND OHIO INC
34 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
US6197883B1Mar 6, 2001
Thermosetting coating compositions containing flow modifiers prepared by controlled radical polymerization
PPG IND OHIO INC103 citations97
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
US6191225B1Feb 20, 2001
Thermosetting compositions containing carboxylic acid functional polymers and epoxy functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC58 citations96
US7005472B2Feb 28, 2006
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC49 citations95
US6784247B2Aug 31, 2004
Powder coating compositions having improved mar and acid resistance
PPG IND OHIO INC33 citations94
US6759478B2Jul 6, 2004
Coating compositions having improved scratch resistance, coated substrates and methods related thereto
PPG IND OHIO INC33 citations92
US6670043B2Dec 30, 2003
Thermosetting compositions containing carboxylic acid functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC25 citations92
US6329060B1Dec 11, 2001
Solvent-free film-forming compositions for clearcoats, coated substrates and method related thereto
PPG IND OHIO INC82 citations92
US6319988B1Nov 20, 2001
Thermosetting compositions containing hydroxy functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC25 citations92
US6288173B1Sep 11, 2001
Block copolymers
PPG IND OHIO INC43 citations92
US6184279B1Feb 6, 2001
Coating compositions and coated substrates with good appearance properties
PPG IND OHIO INC30 citations92
US6013733AJan 11, 2000
Coating of film-forming resin and functional flow control copolymer
PPG IND OHIO INC33 citations92
US6863982B2Mar 8, 2005
Curable film-forming composition exhibiting improved yellowing resistance
PPG IND OHIO INC45 citations91
US6077608AJun 20, 2000
Multilayered coating with powder clear coating and substrates therewith and method
PPG IND OHIO INC24 citations91
US7001952B2Feb 21, 2006
Coating compositions containing polyurethane dispersions and highly crosslinked polymer particles
PPG IND OHIO INC56 citations90
US6268433B1Jul 31, 2001
Thermosetting compositions containing epoxy functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC15 citations84
US6638578B2Oct 28, 2003
Thermosetting compositions containing carboxylic acid functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC5 citations74
US6391391B2May 21, 2002
Coating substrate with atom transfer radical polymerized carboxyl polymer and polyepoxide
PPG IND OHIO INC6 citations74
US6339126B1Jan 15, 2002
Thermosetting compositions containing carboxylic acid functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC8 citations74
US6265489B1Jul 24, 2001
Thermosetting compositions containing carboxylic acid functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC12 citations74
US6313224B1Nov 6, 2001
Coating of film-forming resin and functional flow control copolymer
PPG IND OHIO INC10 citations73
US6583223B2Jun 24, 2003
Coating compositions which contain a low surface tension (meth) acrylate containing block copolymer flow control agent
PPG IND OHIO INC9 citations72
US6376608B1Apr 23, 2002
Curable powder film-forming composition having improved chemical resistance
PPG IND OHIO INC8 citations71
US6472085B2Oct 29, 2002
Thermosetting compositions containing epoxy functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC2 citations63
US6699942B2Mar 2, 2004
Powder coating compositions demonstrating improved mar resistance
PPG IND OHIO INC3 citations62
US5969058AOct 19, 1999
Color-plus-clear composite coating composition containing tin catalysts
PPG IND OHIO INC5 citations62
US6586530B1Jul 1, 2003
Low surface tension (meth) acrylate containing block copolymer prepared by controlled radical polymerization
PPG IND OHIO INC5 citations61
US6251999B1Jun 26, 2001
Tin carboxylate catalysts for epoxy-acid coating compositions
PPG IND OHIO INC5 citations61
US6482475B2Nov 19, 2002
Thermosetting compositions containing hydroxy functional polymers prepared by atom transfer radical polymerization
PPG IND OHIO INC0 citations52
US7122600B2Oct 17, 2006
Powder coating compositions having improved mar and acid resistance
PPG IND OHIO INC0 citations50