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

Claim 12:
13. The contact lens of claim 10, wherein the anterior and posterior outer hydrogel layers independent of each another are a crosslinked hydrophilic polymeric material which comprises at least 25% by mole of repeating monomeric units of at least one hydrophilic vinylic monomer selected from the group consisting of an alkyl (meth)acrylamide, N-2-dimethylaminoethyl (meth)acrylamide, dimethylaminoethyl (meth)acrylate, a hydroxyl-containing acrylic monomer, a N-vinyl amide monomer, a methylene-containing pyrrolidone monomer, a (meth)acrylate monomer having a C1-C4 alkoxyethoxy group, a vinyl ether monomer, an allyl ether monomer, and combinations thereof.