Patent ID: 11933941
Assignee: ALCON INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC G  B  C | IPC B  C  G

Claim 22:
23. The contact lens of claim 21, wherein the polyanionic polymer is polyacrylic acid, polymethacrylic acid, poly(ethylacrylic acid), poly(acrylic acid-co-methacrylic acid), poly[ethylacrylic acid-co-(meth)acrylic acid], poly(N,N-2-acrylamidoglycolic acid), poly[(meth)acrylic acid-co-acrylamide], poly[(meth)acrylic acid-co-vinylpyrrolidone], poly[ethylacrylic acid-co-acrylamide], poly[ethylacrylic acid-co-vinylpyrrolidone], poly[(meth)acrylic acid-co-vinylacetate], poly[ethylacrylic acid-co-vinylacetate], or combinations thereof.