US Patent Issued to SOLENIS TECHNOLOGIES on Dec. 2 for "Membrane separation process for vinylamine-containing polymers" (Delaware Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,619, issued on Dec. 2, was assigned to SOLENIS TECHNOLOGIES LP (Wilmington, Del.).

"Membrane separation process for vinylamine-containing polymers" was invented by Cecil Coutinho (Wilmington, Del.), Sachin Borkar (Wilmington, Del.) and Shantanu Nikam (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for the removal of salts and by-products from vinylamine-containing polymers. In particular, the method allows the removal of unwanted salts, by-products, spent initiators and short chain vinylamine-containing polymers while retaining the functional, higher molecular weight polymers that provide for desired product perf...