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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING OPTICAL MEMBER
Document Type and Number:
WIPO Patent Application WO/2019/189824
Kind Code:
A1
Abstract:
A method for manufacturing an optical member, including a step for injecting a polymerizable composition including a polythiol component and a polyisocyanate component into a mold using a tube, and a step for polymerizing the polymerizable composition, the content ratio of a plasticizer in the tube being 20% by mass or less.

Inventors:
OHNISHI, Tomofumi (6-10-1 Nishi-Shinjuku Shinjuku-k, Tokyo 47, 〒1608347, JP)
Application Number:
JP2019/014176
Publication Date:
October 03, 2019
Filing Date:
March 29, 2019
Export Citation:
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Assignee:
HOYA LENS THAILAND LTD. (853 Phaholyothin RD, Prachatipat Thanyabur, Pathumthani ., 12130, TH)
OHNISHI, Tomofumi (6-10-1 Nishi-Shinjuku Shinjuku-k, Tokyo 47, 〒1608347, JP)
International Classes:
B29C39/24; B29C39/26; G02B1/02; G02C7/00
Domestic Patent References:
WO2016153061A12016-09-29
Foreign References:
JP2007176184A2007-07-12
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (Toranomon ES Bldg. 7F, 25-2 Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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