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:
Feb. 06, 1979
Filed:
Mar. 24, 1976
Applicant:
Inventors:
Assignee:
Japan Atomic Energy Research Institute, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
20415922 ; 20415923 ; 526273 ; 526320 ;
Abstract
This invention provides a process for producing a transparent shaped polymeric product which is free from defects such as strain and bubbles and has improved chemical and physical properties. The product is produced from a methyl methacrylate- or methyl acrylate-based monomer mixture by cast polymerization for a significantly shortened time.