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:
Sep. 12, 1989
Filed:
Dec. 03, 1987
Toshimasa Ishigaki, Chiba, JP;
Yasuhiko Uehara, Chiba, JP;
Fusaji Shoji, Yokohama, JP;
Ryoichi Sudo, Yokusuka, JP;
Etsuji Iwami, Hitachi, JP;
Hirohumi Izumi, Kitaibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Chemical Co. Ltd., Tokyo, JP;
Abstract
Disclosed is an unsaturated polyester resin composition which comprises an unsaturated polyester having a molecular weight per one unsaturated group of 1000 to 8000 and (1) a polymerizable monomer, a low-temperature hardener and a high-temperature hardener or (2) styrene and/or a derivative thereof and an unsaturated compound having a refractive index of 1.5 or less. This composition can be molded in a short time and forms no strain on hardening and is suitable as an adhesive for production of cathode ray tubes.