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:
Feb. 14, 2003
Applicant:
Inventors:
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 ; C08G 6/378 ;
U.S. Cl.
CPC ...
G02C 7/02 ; C08G 6/378 ;
Abstract
An alicyclic (meth)allyl ester monomer obtained by a specific production process. An alicyclic (meth)allyl ester compound for plastic lenses, which can be obtained by a simple and easy production process and which can endure a long-term storage, is produced using the monomer, and a plastic lens is obtained using the compound.