Polycarbonate articles with photochromic properties

Details Polycarbonate articles with photochromic properties Polycarbonate articles with photochromic properties

1998-02-04

2000-09-05

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523171, C08K 310

Patent

active

061144371

ABSTRACT:
Polychromic articles are manufactured by solvent casting polycarbonate resins previously mixed with a photochromic dye and evaporating the solvent. The films produced can be insert injection molded with polycarbonate substrates to obtain photochromic articles.

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European Search Report for Application No. EP 99 30 0532.

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