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Title:
PLASTIC LENSES AND PRIMER COMPOSITION USED FOR COATING THE SAME
Document Type and Number:
WIPO Patent Application WO/1998/054604
Kind Code:
A1
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.

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Inventors:
KAYANOKI HISAYUKI (JP)
SAWARAGI FUJIO (JP)
Application Number:
PCT/JP1998/002301
Publication Date:
December 03, 1998
Filing Date:
May 26, 1998
Export Citation:
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Assignee:
NIPPON ARC CO LTD (JP)
KAYANOKI HISAYUKI (JP)
SAWARAGI FUJIO (JP)
International Classes:
B29D11/00; C08G18/42; C08G18/46; C08G18/80; G02B1/11; C08J7/04; C09D175/06; G02B1/115; G02B1/14; B29K67/00; (IPC1-7): G02B1/10; G02B1/04; C09D175/06; C09D5/00; C08G18/42
Foreign References:
JPH09136978A1997-05-27
JPH08224534A1996-09-03
JPH0784101A1995-03-31
JPH06118203A1994-04-28
JPH06337376A1994-12-06
JPH0651104A1994-02-25
JPH03109502A1991-05-09
JPH03166277A1991-07-18
JPH01240576A1989-09-26
JPH08325347A1996-12-10
JPH0718169A1995-01-20
Other References:
See also references of EP 0922971A4
Attorney, Agent or Firm:
Ohshima, Masataka (Fukuya Building 3, Yotsuya 4-chom, Shinjuku-ku Tokyo, JP)
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