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:
Jun. 02, 1992
Filed:
Dec. 28, 1989
Applicant:
Inventors:
Makoto Mizutani, Kanagawa, JP;
Satoshi Nagai, Kanagawa, JP;
Mitsuhiko Masumoto, Osaka, JP;
Toshiaki Aso, Osaka, JP;
Assignee:
Mitsubishi Gas Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
523136 ; 524150 ; 524265 ; 524308 ; 524376 ; 524377 ; 524378 ;
Abstract
A polycarbonate resin composition for radiation sterilization, comprising an aromatic polycarbonate resin having structural units derived from a halogenated bisphenol, and a polyalkylene compound selected from poly(alkylene glycol), its ether, silyl ether or ester. Molded articles produced from the composition do not substantially undergo yellowing when exposed to radiation in air or under a substantially oxygen-free atmosphere, and can be advantageously employed in medical appliances.