Beacon Research, Inc.

Karen M Lowry

Ellington M Beavers

A transparent, hydrophilic, non-fogging coating is applied to the surface of an object. The coating includes a bilaminar graft formed of two films. The first film, denoted the matrix, adheres to the surface of the object, and contains functional groups capable of chemically reacting with a mucopolysaccharide. The second film, denoted the hydrophil, contains the mucopolysaccharide. A quantity of ethylenedinitrilo-tetrakis-(2-hydroxypropane) is added to the matrix and to the hydrophil. Also added to the hydrophil are dimethyl sulfoxide (1%) and desulfated heparin (0.5%). The result is a permanent, transparent, hydrophilic, non-fogging coating. The coating can be formed on an intra-ocular lens or a contact lens, or on other objects. Also, the coating can be formed on a substrate to which the coating does not adhere permanently. The coating can then be separated from the substrate, stored, and later adhered to another surface.

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Jenkintown, PA, United States of America

Karen M Lowry