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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11358354 B1

PDFFull Text
Date of Patent:
Jun. 14, 2022

Filed:

Jun. 13, 2016

Process for producing plastic lens and apparatus for producing plastic lens

Applicant:

Mitsui Chemicals, Inc., Tokyo, JP;

Inventors:

Shinsuke Ito, Omuta, JP;

Kouji Suesugi, Arao, JP;

Masayuki Furuya, Arao, JP;

Takeshi Nishimura, Yanagawa, JP;

Mamoru Tanaka, Fukuoka, JP;

Assignee:

MITSUI CHEMICALS, INC., Tokyo, JP;

Attorney:

Buchanan, Ingersoll & Rooney PC

Primary Examiner:

Mathieu D Vargot

Int. Cl.
CPC ...
B29D 11/00 (2006.01); B29B 7/32 (2006.01); C08G 18/61 (2006.01); G02B 1/04 (2006.01); C08G 18/75 (2006.01); C08G 18/24 (2006.01); C08G 18/38 (2006.01); G02B 3/00 (2006.01); B29C 39/24 (2006.01); B29B 7/16 (2006.01); B29B 7/74 (2006.01); B29C 39/00 (2006.01); B29B 7/04 (2006.01); B29B 7/44 (2006.01); C08G 18/28 (2006.01); C08G 18/65 (2006.01); B29K 71/00 (2006.01); B29K 75/00 (2006.01); B29L 11/00 (2006.01); B29K 83/00 (2006.01); B29K 33/00 (2006.01); C08L 83/12 (2006.01); C08G 77/46 (2006.01);
U.S. Cl.
CPC ...
B29D 11/00442 (2013.01); B29B 7/04 (2013.01); B29B 7/16 (2013.01); B29B 7/325 (2013.01); B29B 7/44 (2013.01); B29B 7/7461 (2013.01); B29B 7/7466 (2013.01); B29B 7/7485 (2013.01); B29C 39/006 (2013.01); B29C 39/24 (2013.01); B29D 11/00413 (2013.01); B29D 11/00432 (2013.01); B29D 11/00538 (2013.01); C08G 18/242 (2013.01); C08G 18/284 (2013.01); C08G 18/3851 (2013.01); C08G 18/3876 (2013.01); C08G 18/61 (2013.01); C08G 18/65 (2013.01); C08G 18/758 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); G02B 3/00 (2013.01); B29K 2033/08 (2013.01); B29K 2071/00 (2013.01); B29K 2075/00 (2013.01); B29K 2083/00 (2013.01); B29L 2011/0016 (2013.01); C08G 77/46 (2013.01); C08L 83/12 (2013.01);
Abstract

A process for producing a plastic lens includes a step of stirring and mixing a solution including a polymerization reactive compound in a preparation tank; a step of transferring the polymerizable composition obtained in the step from the preparation tank to a lens casting mold; a step of curing the polymerizable composition; and a step of obtaining a plastic lens molded product by separating the obtained resin from the lens casting mold. The step of transferring the polymerizable composition includes a step of re-mixing the polymerizable composition discharged from the preparation tank and injecting the polymerizable composition into the lens casting mold.

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