Bi-functional co-polymer use for ophthalmic and other topical and local applications Grant US-11135242-B2 United States of America 05 Oct 2021
Bi-functional co-polymer use for ophthalmic and other topical and local applications Grant US-11110119-B2 United States of America 07 Sep 2021
Bi-functional co-polymer use for opthalmic and other topical and local applications Grant US-8802075-B2 United States of America 12 Aug 2014