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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 7799844 B1

PDFFull Text
Expired
Date of Patent:
Sep. 21, 2010

Filed:

Nov. 05, 2004

Active energy beam-curable composition for optical material

Applicant:

Yasuyuki Sanai, Aichi, JP;

Inventor:

Yasuyuki Sanai, Aichi, JP;

Assignee:

Toagosei Co., Ltd., Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Randy Gulakowski

Assistant Examiner:

Michael Pepitone

Int. Cl.
CPC ...
C08F 2/46 (2006.01); C08F 20/18 (2006.01); C08F 20/30 (2006.01); C08F 12/30 (2006.01); C08F 28/04 (2006.01); C08F 22/24 (2006.01); C08F 20/26 (2006.01); B29C 35/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An active energy beam-curable composition for optical material is provided that comprises (A) a di(meth)acrylate represented by the following formula (1) and (B) a mono(meth)acrylate represented by the following formula (2) and/or a mono(meth)acrylate represented by the following formula (3), wherein the active energy beam-curable composition contains 10 to 90 wt % of the component (A) and 90 to 10 wt % the component (B) on the basis of the total weight of the components (A) and (B). In the formula, Rand Rindependently represents a hydrogen atom or a methyl group, Rand Rindependently represents a hydrogen atom, a methyl group or an ethyl group, Rto Rindependently represents a hydrogen atom, a methyl group or a bromine atom, and l and m independently represents an integer of 1 to 6, Rrepresents a hydrogen atom or a methyl group, Rrepresents a hydrogen atom or a methyl group.

Find Patent Forward Citations

Sanai, Yasuyuki. (2010). Active energy beam-curable composition for optical material (U.S. Patent No. 7799844). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7799844

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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