ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,887, issued on Feb. 17, was assigned to SYENSQO SA (Brussels).
"Aqueous latex of vinylidene chloride copolymer" was invented by Isabelle Chaduc (Milan) and Jerome Vinas (Brussels).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous latex [latex (L)] of a vinylidene chloride copolymer [copolymer (A)], wherein the copolymer (A) consists essentially of recurring units derived from vinylidene chloride (VDC) in an amount comprised between 89.0 and 91.0 wt % of the copolymer, recurring units derived from methacrylonitrile (MAN) in an amount comprised between 2.00 and 5.50 wt % of the copolymer, recurring units derived from at least one ionic comonome...