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Title:
PROCESS FOR PRODUCING OPTICAL MEMBER, PROCESS FOR PRODUCING PLASTIC LENS, GASKET FOR PLASTIC LENS MOLDING, AND JIG FOR MONOMER INJECTION
Document Type and Number:
WIPO Patent Application WO/2003/084728
Kind Code:
A1
Abstract:
A process for producing an optical member which comprises mixing an isocyanate-terminated prepolymer ingredient (A) with an aromatic diamine ingredient (B) and injecting the mixture into a mold immediately after the mixing to obtain a molded object; a process for producing a plastic lens which comprises mixing the ingredient (A) with the ingredient (B), injecting the liquid mixture into a mold immediately after the mixing, and polymerizing it to obtain a molded object; a gasket for plastic lens molding which comprises a cylindrical object; and a mold for plastic lens molding and a jig for monomer injection which each employs this gasket.

Inventors:
Kadota, Masanori c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Nakamura, Shigeo c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Hirayama, Kengo c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Kitahara, Yoshitaka c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Hoshi, Yuji c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Okamoto, Yasuhisa c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Application Number:
PCT/JP2003/004448
Publication Date:
October 16, 2003
Filing Date:
April 08, 2003
Export Citation:
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Assignee:
HOYA CORPORATION (7-5 Naka-Ochiai 2-chome, Shinjuku-ku, Tokyo, 161-8525, JP)
Kadota, Masanori c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Nakamura, Shigeo c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Hirayama, Kengo c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Kitahara, Yoshitaka c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Hoshi, Yuji c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
Okamoto, Yasuhisa c/o Hoya Corporation (7-5 Naka-Ochiai, 2-chom, Shinjuku-ku Tokyo, 161-8525, JP)
International Classes:
B29C39/24; B29C39/26; B29D11/00; C08G18/10; C08G18/48; C08G18/75; G02B1/04; B29C31/04; (IPC1-7): B29C45/00; B29C39/02; B29C39/26; G02B1/04; C08G18/66
Domestic Patent References:
2001-05-10
Foreign References:
US6127505A2000-10-03
JP6039951Y
JPH05212732A1993-08-24
JP2003103586A2003-04-09
Other References:
See also references of EP 1504869A1
Attorney, Agent or Firm:
SIKS & CO. (8th Floor, Kyobashi Nisshoku Bldg. 8-7, Kyobashi 1-chom, Chuo-ku Tokyo, 104-0031, JP)
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