KB

Karen A. Barkac

PO Ppg Industries Ohio: 35 patents #22 of 1,316Top 2%
📍 Murrysville, PA: #12 of 521 inventorsTop 3%
🗺 Pennsylvania: #1,398 of 74,527 inventorsTop 2%
Overall (All Time): #99,240 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
8258225 Coating compositions providing improved mar and scratch resistance and methods of using the same Anthony M. Chasser, Roy E. Dean, Mildred Lisa Perrine, Deirdre Ragan, Karen Rechenberg +1 more 2012-09-04
7122600 Powder coating compositions having improved mar and acid resistance Karen Rechenberg, Simion Coca, James B. O'Dwyer, Linda J. Bowser 2006-10-17
7053149 Coating compositions having improved scratch resistance, coated substrates and methods related thereto Lawrence G. Anderson, Shawn A. DeSaw, Marvis E. Hartman, Deborah E. Hayes, Thomas R. Hockswender +7 more 2006-05-30
7005472 Coating compositions having improved scratch resistance, coated substrates and methods related thereto Lawrence G. Anderson, Shawn A. DeSaw, Marvis E. Hartman, Deborah E. Hayes, Thomas R. Hockswender +8 more 2006-02-28
7001952 Coating compositions containing polyurethane dispersions and highly crosslinked polymer particles Dennis L. Faler, M. Frank Haley, Deena M. McHenry, Edward S. Pagac, Shanti Swarup +2 more 2006-02-21
6863982 Curable film-forming composition exhibiting improved yellowing resistance Masayuki Nakajima, Charles M. Kania, Stephen G. McQuown, Karen Rechenberg, Susan A. Campbell +1 more 2005-03-08
6803408 Coating compositions having improved scratch resistance, coated substrates and methods related thereto Lawrence G. Anderson, Shawn A. DeSaw, Marvis E. Hartman, Deborah E. Hayes, Thomas R. Hockswender +7 more 2004-10-12
6784247 Powder coating compositions having improved mar and acid resistance Karen Rechenberg, Simion Coca, James B. O'Dwyer, Linda J. Bowser 2004-08-31
6759478 Coating compositions having improved scratch resistance, coated substrates and methods related thereto Lawrence G. Anderson, Shawn A. DeSaw, Marvis E. Hartman, Deborah E. Hayes, Thomas R. Hockswender +8 more 2004-07-06
6699942 Powder coating compositions demonstrating improved mar resistance Karen Rechenberg, Masayuki Nakajima 2004-03-02
6670043 Thermosetting compositions containing carboxylic acid functional polymers prepared by atom transfer radical polymerization Simion Coca, James R. Franks, Kurt A. Humbert, Paul H. Lamers, Roxalana L. Martin +3 more 2003-12-30
6657001 Coating compositions having improved scratch resistance, coated substrates and methods related thereto Lawrence G. Anderson, Shawn A. DeSaw, Marvis E. Hartman, Deborah E. Hayes, Thomas R. Hockswender +7 more 2003-12-02
6638578 Thermosetting compositions containing carboxylic acid functional polymers prepared by atom transfer radical polymerization Simion Coca, James R. Franks, Kurt A. Humbert, Paul H. Lamers, Roxalana L. Martin +3 more 2003-10-28
6593417 Coating compositions having improved scratch resistance, coated substrates and methods related thereto Lawrence G. Anderson, Shawn A. DeSaw, Marvis E. Hartman, Deborah E. Hayes, Thomas R. Hockswender +8 more 2003-07-15
6586530 Low surface tension (meth) acrylate containing block copolymer prepared by controlled radical polymerization Jonathan D. Goetz, Kurt A. Humbert, Karl F. Schimmel, Simion Coca, Joanne Smith 2003-07-01
6583223 Coating compositions which contain a low surface tension (meth) acrylate containing block copolymer flow control agent Jonathan D. Goetz, Kurt A. Humbert, Karl F. Schimmel, Simion Coca, Joanne Smith 2003-06-24
6482475 Thermosetting compositions containing hydroxy functional polymers prepared by atom transfer radical polymerization Simion Coca, James R. Franks, Kurt A. Humbert, Paul H. Lamers, Roxalana L. Martin +3 more 2002-11-19
6472085 Thermosetting compositions containing epoxy functional polymers prepared by atom transfer radical polymerization Simion Coca, James R. Franks, Kurt A. Humbert, Paul H. Lamers, Roxalana L. Martin +3 more 2002-10-29
6391391 Coating substrate with atom transfer radical polymerized carboxyl polymer and polyepoxide Simion Coca, James R. Franks, Kurt A. Humbert, Paul H. Lamers, Roxalana L. Martin +3 more 2002-05-21
6387519 Cured coatings having improved scratch resistance, coated substrates and methods thereto Lawrence G. Anderson, Anthony M. Chasser, Shawn A. DeSaw, Marvis E. Hartman, Deborah E. Hayes +10 more 2002-05-14
6376608 Curable powder film-forming composition having improved chemical resistance Roxalana L. Martin, Douglas W. Maier 2002-04-23
6339126 Thermosetting compositions containing carboxylic acid functional polymers prepared by atom transfer radical polymerization Simion Coca, James R. Franks, Kurt A. Humbert, Paul H. Lamers, Roxalana L. Martin +3 more 2002-01-15
6329060 Solvent-free film-forming compositions for clearcoats, coated substrates and method related thereto Dennis L. Faler, Mary E. Grolemund, Debra L. Singer 2001-12-11
6319988 Thermosetting compositions containing hydroxy functional polymers prepared by atom transfer radical polymerization Simion Coca, James R. Franks, Kurt A. Humbert, Paul H. Lamers, Roxalana L. Martin +3 more 2001-11-20
6313224 Coating of film-forming resin and functional flow control copolymer Debra L. Singer, Kurt G. Olson, Kurt A. Humbert, Mark Wozniak 2001-11-06