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
1990-02-12
1992-07-28
Marquis, Melvyn I.
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...
524780, 524786, 524859, 524860, 10628714, 528 16, 528 19, C08K 310
Patent
active
051341913
ABSTRACT:
A hard coating composition comprising an epoxy group-containing organic silicon compound and inorganic submicron particles such as silica sol is curable with a minimal amount of an antimony compound as the curing catalyst. The composition is thus stable during shelf storage and can be cured to a plastic optical article as a mar resistant hard coating film.
REFERENCES:
patent: 4049861 (1977-09-01), Nozari
patent: 4101513 (1978-07-01), Fox et al.
patent: 4567133 (1986-01-01), Isbrandt et al.
Mori Shigeru
Sato Kazuharu
Takarada Mitsuhiro
Yamamoto Kenji
Marquis Melvyn I.
Shin-Etsu Chemical Co. , Ltd.
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