Method of manufacturing plastic lens, method of positioning film, and composite body

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10899094
APP PUB NO 20180050507A1
SERIAL NO

15557687

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of manufacturing a plastic lens includes: a step of putting a first curable composition over a forming surface of a first mold substrate having the forming surface for forming a lens surface; a step of spreading the first curable composition over the entire forming surface by pressing the composition with a film to form a first curable composition layer and separating the film from the first mold substrate by a predetermined distance through the formed first curable composition layer; a step of covering defined surfaces; a step of injecting a second curable composition into a defined location; a step of curing the first curable composition layer and the injected second curable composition; and a step of removing to obtain a plastic lens.

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Patent Owner(s)

  • HOPNIC LABORATORY CO., LTD.; MITSUI CHEMICALS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aiiso, Yoshimitsu Sabae, JP 12 199

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