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. 02, 1999
Filed:
Mar. 17, 1997
Applicant:
Inventors:
Franciscus Petrus Mercx, Bergen op Zoom, NL;
Chris van der Weele, Sommelsdijk, NL;
Yvonne Flohil-Janse, Renesse, NL;
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524417 ; 430945 ; 524449 ; 524494 ;
Abstract
A resin composition having laser marking properties with the CO.sub.2 laser with radiation at 10600 nm comprises a polyester thermoplastic resin, a sufficient amount of dark pigment for forming a dark background coloration, a mica material for absorbing said laser radiation, and an effective amount of a hydrated metal phosphate containing water of crystallization wherein said metal phosphate decomposes in laser struck areas to release said hydrated water whereby light colored markings in laser struck areas are obtained on said dark background coloration.