US Patent 7799844 Active energy beam-curable composition for optical material

Patent 7799844 was granted and assigned to Toagosei on September, 2010 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Toagosei

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7799844

Date of Patent

September 21, 2010

Patent Application Number

10578623

Date Filed

November 5, 2004

Patent Primary Examiner

‌

Randy Gulakowski

Patent 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).

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