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...
Patent
1983-03-02
1984-04-24
Schofer, Joseph L.
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...
428325, 524492, C08K 340
Patent
active
044449399
ABSTRACT:
Photochromic paint comprising a latex of an acrylate and/or a methacrylate polymer, the polymer particles of which constitutes 30 to 50% by weight of the latex and which has been prepared using a copolymerizable surfactant, there being dispersed in the latex photochromic glass beads of from 0.05 to 1.00 .mu.m in size and which comprises from 10 to 30% by weight of the latex, the total solids content of the latex being from 40 to 60% by weight. The paint may be coated on to any surface which will accept a water-based paint.
Kingston Samuel B.
Postle Stephen R.
Ciba-Geigy AG
Kolodny Joseph G.
Reddick Judy M.
Schofer Joseph L.
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