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:
Oct. 18, 1988
Filed:
Nov. 24, 1986
Applicant:
Inventors:
Richard B Allen, Dalton, MA (US);
Roger W Avakian, Pittsfield, MA (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L / ; A61L / ; A61L / ;
U.S. Cl.
CPC ...
422 20 ; 422 21 ; 422 22 ; 522111 ; 525439 ;
Abstract
The tendency of polymers which are normally transparent after molding to undergo yellowing upon exposure to ionizing radiation is reduced by blending them with another polymer that has the effect of improving the ionizing radiation resistance over and above a mere dilution effect. The blends are moldable into medical products that can be sterilized repeatedly with little or no yellowing.