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:
Nov. 19, 2002
Filed:
Mar. 19, 2001
Gerben Bernardus Wilhelmus Hieltjes, Breda, NL;
Johannes Hubertus G. M. Lohmeijer, Hoogerheide, NL;
Franciscus Petrus Maria Mercx, Bergen op Zoom, NL;
General Electric Company, Pittsfield, MA (US);
Abstract
A resin composition having laser marking properties on radiation from a Nd:YAG laser wherein said composition comprises a polyester thermoplastic resin, a sufficient amount of light pigment for forming a light background coloration, and an effective amount of marking agent wherein said polyester thermoplastic resin decomposes in laser struck areas to form dark colored markings in laser struck areas on the light background coloration wherein the marking agent is selected from the group consisting of copper fumarates and copper maleates and mixtures thereof.