Valspar patents aqueous coating

October 18, 2007

Patent No. U.S. 7,189,787 B2
Valspar Sourcing Inc. has obtained a patent for a method comprised of providing an oxirane-functional vinyl addition polymer having an oxirane functionality of 0.5 to 5; providing an acid-functional polymer having an acid number of 30 to 500; reacting the oxirane-functional vinyl addition polymer and the acid-functional polymer together in the presence of a tertiary amine to form a water-dispersible polymer; and dispersing the water-dispersible polymer in a carrier comprised of water.