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.:
Date of Patent:
Sep. 21, 2010
Filed:
Nov. 05, 2004
Yasuyuki Sanai, Aichi, JP;
Yasuyuki Sanai, Aichi, JP;
Toagosei Co., Ltd., Tokyo, JP;
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.