Stock material or miscellaneous articles – Composite – Of epoxy ether
Patent
1993-02-22
1994-05-17
Kwon, John T.
Stock material or miscellaneous articles
Composite
Of epoxy ether
156 99, 156245, 156327, 264 17, 4284242, 428500, B32B 2738
Patent
active
053126890
ABSTRACT:
An improved, laminated, ophthalmic lens structure, and method of producing the structure. The structure comprises two adjacent layers of dissimilar, organic plastic materials, either or both of which contain matter that tends to migrate. The improvement comprises a barrier layer that is intermediate the adjacent organic plastic layers; that is impermeable to migrating matter; and that is composed of a polyolefin polymeric material modified by the presence of acid or anhydride functional groups.
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Dasher David
Fretz, Jr. E. Robert
Friske Mark S.
Johnson Ronald E.
Corning Incorporated
Janes Jr. Clinton S.
Kwon John T.
Peterson Milton M.
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