G - Physics – 02 – B
Patent
G - Physics
02
B
88/108
G02B 7/02 (2006.01) B29D 11/00 (2006.01)
Patent
CA 1253382
Title: COMPOSITE LENS ASSEMBLY ABSTRACT A lens assembly, including at least one plastic lens element axially aligned with another lens element of glass or plastic and adhesively bonded together by a polysiloxane room temperature curable cement, the bond between the plastic element and the cement being improved by a primer layer comprising an aliphatic polyurethane.
498926
Polaroid Corporation
Smart & Biggar
LandOfFree
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