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:
May. 25, 2004
Filed:
Oct. 31, 2001
Applicant:
Inventors:
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 1/824 ; C08L 2/700 ;
U.S. Cl.
CPC ...
C08F 1/824 ; C08L 2/700 ;
Abstract
A plastic lens composition having a low viscosity, a plastic lens by curing the composition, and a method for producing the plastic lens are disclosed. The plastic lens composition contains a bromine-containing (meth)allyl ester-based compound and exhibits low viscosity and the cured composition has a high refractive index of or more and a low specific gravity of or less.