C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/06 (2006.01) A61K 9/16 (2006.01) A61L 29/16 (2006.01) A61L 31/16 (2006.01) D06M 23/10 (2006.01) D06P 1/94 (2006.01)
Patent
CA 2154359
Methods of impregnating various polymer substrates with an impregnation additive, by simultaneously contacting the polymer substrate with an impregnation additive, carrier liquid, and supercritical fluid are provided. The impregnation additive is substantially insoluble in the supercritical fluid, and the carrier liquid is preferably substantially iosoluble in the supercritical fluid.
Bartkus Joanne M.
Choi Hye-Ok
Gozum John E.
Kao Richard C.
Perman Craig A.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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