Plastic lens

Details Plastic lens Plastic lens

1992-06-11

1996-03-05

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284233, 4284255, 4284259, 428447, 428448, 4284735, B32B 2700, B32B 904

Patent

active

054966418

ABSTRACT:
A plastic lens formed by laminating, in the order as described below,
(A) a plastic lens substrate having a refractive index in the range of 1.50 to 1.70,
(B) a primer layer containing a metal compound of at least one metal selected from the group consisting of Al, Ti, Zr, Sn and Sb and a polyurethane, or
(B') a primer layer formed from a polyurethane containing at least one element selected from the group consisting of Cl, Br, I and S,
(C) a hard coating layer, and
(D) a single-layered or multi-layered anti-reflection layer formed by vapor-depositing an inorganic substance.

REFERENCES:
patent: 4765729 (1988-08-01), Taniguchi
patent: 4904525 (1990-02-01), Taniguchi
Asahi Optical, Patent Abstracts of Japan, vol. 13, No. 530 (p-966) 27 Nov. 1989 Abstracting JP-A-1 217 402.
Mitsui Toatsu, Patent Abstracts of Japan, vol. 14, No. 78 (P-1006) 14 Feb. 1990, Abstracting JP-A-1 295 201.
Seiko Epson, Patent Abstracts of Japan, vol. 11, No. 181 (p-585) 11 Jun. 1987, Abstracting JP-A-62 011 801.
Hoya Corp., Patent Abstracts of Japan, vol. 12, No. 315 (m-735) 26 Aug. 1988 Abstracting JP-A-63 097 223.

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