Patents

Hutchinson patents Paint

May 17, 2007

Patent No. U.S. 7,125,927 B2
Hutchinson of Paris, France has obtained a patent for a paint or varnish composition comprised of from 10-50 parts by weight of at least one polyurethane in aqueous emulsion form; from 10-30 parts by weight of at least two acrylic polymers or copolymers in aqueous emulsion form; from 10-70 parts by weight of mineral or organic fillers; from 5-20 parts by weight of processing aids; and from 0-10 parts by weight of crosslinking agent; from 40-150 parts by weight of water; wherein the parts are based on the weight of active material in the composition; wherein the at least two acrylic polymers or copolymers are chosen in such a way that one has a glass transition temperature between 0°-5° C and the other has a glass transition temperature between 40°-30° C.

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