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. 07, 2009
Filed:
Jul. 06, 2005
Applicants:
Reiko Koshida, Utsunomiya, JP;
Yoshiteru Hatase, Osaka, JP;
Ryuichi Hayashi, Tokyo, JP;
Hiroyuki Sumi, Tochigi-ken, JP;
Inventors:
Reiko Koshida, Utsunomiya, JP;
Yoshiteru Hatase, Osaka, JP;
Ryuichi Hayashi, Tokyo, JP;
Hiroyuki Sumi, Tochigi-ken, JP;
Assignee:
EI Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/08 (2006.01); C08K 5/23 (2006.01); C08K 5/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone blue dye with other red dye to absorb visible light with wavelength less than 700 nm and transmit a laser beam with wavelength at 800 nm to 1200 nm and to enhance weldability.