Title:
プラスチックレンズ
Document Type and Number:
Japanese Patent JP4189036
Kind Code:
B2
Abstract:
Plastic lenses having a primer layer and prepared from a polyurethane resin prepared by the reaction of a polyisocyanate with a polyesterpolyol mainly comprising isophthalic acid. Plastic lenses excellent in scuffing and impact resistances can be prepared by forming also a hard coating layer and an antireflection layer on the primer layer.
Inventors:
Hisashi Nagiki
Satoshi Fujio
Satoshi Fujio
Application Number:
JP50047299A
Publication Date:
December 03, 2008
Filing Date:
May 26, 1998
Export Citation:
Assignee:
sdc Technologies Asia Co., Ltd.
International Classes:
G02B1/11; B29D11/00; C08G18/42; C08G18/46; C08G18/80; C08J7/04; C09D175/06; G02B1/04; G02B1/115; G02B1/14; B29K67/00
Domestic Patent References:
| JPH03166277A | 1991-07-18 | |||
| JPH06118203A | 1994-04-28 | |||
| JPH08224534A | 1996-09-03 |
Foreign References:
| WO1997010306A1 |
Attorney, Agent or Firm:
Masataka Oshima