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:
Apr. 06, 2004
Filed:
Aug. 06, 2001
Applicant:
Inventors:
Philippe Schottland, Evansville, IN (US);
Michael W. Brown, Mt. Vernon, IN (US);
Steven R. Peak, Evansville, IN (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/102 ; C09K 1/108 ; C09K 3/10 ; C09K 3/22 ; C08G 6/300 ;
U.S. Cl.
CPC ...
C09K 1/102 ; C09K 1/108 ; C09K 3/10 ; C09K 3/22 ; C08G 6/300 ;
Abstract
The present invention is drawn to a transparent or translucent thermoplastic composition comprising a thermoplastic polycarbonate resin and a phosphorescent phosphor with an aluminate matrix expressed by MAl O in which M is calcium, strontium or barium. Said phosphorescent phosphor is present in a quantity of 0.01 to 2.0% by weight with respect to the quantity of polycarbonate resin and possesses a median particle size of less than 10 micrometer. Forming an object by injection molding using said transparent or translucent thermoplastic composition is also disclosed.