Inventor
SIMMS JOHN A
US28 patents
⚠️ This page may combine multiple inventors who share the name “SIMMS JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
27 patentsUS5424364AJun 13, 1995
Comb pigment dispersants
DU PONT53 citations95
US5286782AFeb 15, 1994
Coating composition of an acrylic polymer, polyol and polyisocyanate crosslinking agent
DU PONT95 citations93
US6506899B1Jan 14, 2003
Pigment dispersants formed by reacting an isocyanate with a poly (ethylene glycol) alkyl ether, a polyester or polyester or polyacrylate and a diamine
DU PONT26 citations92
US6037414AMar 14, 2000
Polymeric pigment dispersant having an acrylic backbone, polyester side chains, cyclic imide groups and quaternary ammonium groups
DU PONT55 citations92
US5159047AOct 27, 1992
Coatings containing caprolactone oligomer polyols
DU PONT26 citations92
US5003004AMar 26, 1991
Tough flexible polymer blends
DU PONT40 citations92
US4771117ASep 13, 1988
Polymerization of acrylic esters
DU PONT28 citations91
US4632964ADec 30, 1986
Flexible finishes from branched aliphatic polyester urethanes and a melamine crosslinker
DU PONT27 citations91
US6037390AMar 14, 2000
Smear resistant pigmented ink jet inks containing β-diketone or ureido dispersants
DU PONT18 citations84
US4251404AFeb 17, 1981
Acrylic graft copolymers and coating compositions thereof
DU PONT7 citations74
US4219632AAug 26, 1980
Low molecular weight isocyanato-acrylate copolymers
DU PONT15 citations74
US4206108AJun 3, 1980
Acrylic graft copolymers and coating compositions thereof
DU PONT12 citations74
US4206294AJun 3, 1980
Graft copolymers and coating compositions thereof
DU PONT10 citations74
US4151227AApr 24, 1979
Acrylic graft copolymers and coating compositions thereof
DU PONT11 citations74
US4474855AOct 2, 1984
Coated article
DU PONT10 citations72
US4446175AMay 1, 1984
Coatings formed from isocyanate-functional polymers containing a terminal monosulfide group
DU PONT13 citations72
US4351755ASep 28, 1982
Isocyanate-functional polymers containing a terminal monosulfide group
DU PONT11 citations72
US4222909ASep 16, 1980
Coating compositions comprising isocyanate-functional polymers containing a terminal thioalkyl group
DU PONT17 citations72
US4945145AJul 31, 1990
Silane coating composition for ambient cure
DU PONT8 citations71
US4346201AAug 24, 1982
Polymer blend of an acrylic polymer and a block polymer of acrylic segments and polymercaptan segment
DU PONT2 citations63
US4255298AMar 10, 1981
Acrylic graft copolymers and coating compositions thereof
DU PONT4 citations63
US4255541AMar 10, 1981
Acrylic graft copolymers and coating compositions thereof
DU PONT4 citations63
US4243573AJan 6, 1981
Acrylic graft copolymers and coating compositions thereof
DU PONT4 citations63
US4510298AApr 9, 1985
Process for making isocyanate-functional polymers containing low residual monomeric isocyanate
DU PONT6 citations54
US4247444AJan 27, 1981
Acrylic graft copolymers and coating compositions thereof
DU PONT0 citations52
US4169955AOct 2, 1979
Mercaptoisocyanates and process for preparing the same
DU PONT1 citations52
US4436885AMar 13, 1984
Preparation of isocyanate-functional polymers containing a terminal monosulfide group
DU PONT1 citations51