Film-forming coating solution and synthetic resin lens

Details Film-forming coating solution and synthetic resin lens Film-forming coating solution and synthetic resin lens

1995-10-19

1998-08-04

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...

524431, 1062864, 10628714, 10628716, 10628719, 10628734, C08K 318

Patent

active

057894760

ABSTRACT:
Disclosed is a film-forming coating solution comprising a matrix and a fine particulate compound oxide composed of oxides of titanium, silicon and zirconium and/or aluminum. This film-forming coating solution can form a colorless and transparent film of high refractive index which is excellent in dyeing property and adhesion to the substrate. Also disclosed is a synthetic resin lens of high refractive index having a film (hard coat film) formed from the film-forming coating solution on the surface. This synthetic resin lens is free from interference fringe and has a reduced thickness.

REFERENCES:
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patent: 3455732 (1969-07-01), Hathaway, Jr.
patent: 4479824 (1984-10-01), Schutt
patent: 4775733 (1988-10-01), Kanemura et al.
patent: 5015523 (1991-05-01), Kawashima et al.
patent: 5021091 (1991-06-01), Takarada et al.
patent: 5223030 (1993-06-01), Valette et al.
patent: 5449712 (1995-09-01), Gierke et al.
European Search Report, Jun. 28, 1996, 2 pages.

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