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:
Jun. 08, 2010
Filed:
Feb. 12, 2004
Heihachi Yushina, Osaka, JP;
Osamu Nakagawa, Ikoma, JP;
Heihachi Yushina, Osaka, JP;
Osamu Nakagawa, Ikoma, JP;
Orient Chemical Industries Co., Ltd., Osaka, JP;
Abstract
Laser ray transmitting colored polyolefin resin composition containing an anthraquinone salt forming dye below; and method of laser welding wherein welding a portion of contact of a laser ray transmitting material of said resin composition and a laser ray absorbing material by irradiating laser ray so that the laser ray transmitting material transmits the laser ray and the laser ray is absorbed in the laser ray absorbing material with the laser ray transmitting material and the laser ray absorbing material in contact with each other: A, B: —NH— or —O—; R-R: hydrogen, amino, hydroxy, halogen; R-R: hydrogen, alkyl, nitro, sulfonic group; Ki: organic ammonium ion; m: 1 or 2; n: 1 or 2; the sulfonic group is —SOor SOM, the number of —SObeing m, M representing hydrogen or an alkali metal.