Plastic lenses and method of producing the same

Details Plastic lenses and method of producing the same Plastic lenses and method of producing the same

1996-12-10

1999-11-16

Chen, Vivian

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428412, 428522, 522178, 522182, 522184, 522185, 522186, 522188, 427487, 427508, 427510, 427162, 427164, 4274071, B32B 702, B32B 2708, B32B 2716, B32B 2730

Patent

active

059854200

ABSTRACT:
A plastic lens comprising the first acrylic hard coated layer formed on the outside surface of a plastic lens base and, in the inside surface, an antifogging coated layer with interposing of the second acrylic hard coated layer is obtained by coating the both sides of a plastic lens base with an acrylic hard coating agent, masking the outside surface with a peelable masking agent (e.g. a coating composition containing poly(vinyl chloride) or vinyl chloride-vinyl acetate copolymer), coating at least the inside surface with an antifogging agent, and removing the masking layer. As the hard coating agent or antifogging agent, use can be made of an ultraviolet-curable resin composition, and as the masking agent, a coating composition containing a poly(vinyl chloride) or vinyl chloride-vinyl acetate copolymer may be employed.

REFERENCES:
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patent: 5047270 (1991-09-01), Mori et al.
patent: 5213880 (1993-05-01), Yaguchi
patent: 5239029 (1993-08-01), Yaguchi
patent: 5280090 (1994-01-01), Kurahashi et al.
patent: 5480917 (1996-01-01), Kruger et al.
patent: 5565501 (1996-10-01), Hosokawa et al.
patent: 5578378 (1996-11-01), Kruger et al.

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