| http://www.w3.org/ns/prov#value | - IncContact lens cleaning and storing composition including nonionic surfactant, benzalkonium chloride and Na{hd 3{b EDTAUS401357621 Nov 197322 Mar 1977Wesley-Jessen Inc.Contact lens treating compositionUS42871751 Jun 19791 Sep 1981Merck & Co., Inc.Contact lens wetting agentsUS431257518 Sep 197926 Jan 1982Peyman Gholam ASoft corneal contact lens with tightly cross-linked polymer coating and method
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