ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,197, issued on May 5, was assigned to Solenis Technologies LP (Wilmington, Del.).
"Additive compositions for papermaking" was invented by Anthony Joseph Petty II (Glen Mills, Pa.), Sachin Borkar (Wilmington, Del.), Suboh Abdallah (Philadelphia) and Matthew Wright (Weddington, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drainage-optimized additive composition for papermaking is disclosed. The composition comprises an aqueous media and a glyoxalated polyacrylamide (gPAM) resin having a weight average molecular weight (Mw) of at least about 5 MDa. The composition comprises from about 1.95 to about 2.45 wt. % of the gPAM resin. A method of prepa...