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. 18, 1995
Filed:
Dec. 01, 1993
Hitachi Chemical Co., Ltd., Tokyo, JP;
Abstract
An unsaturated polyester resin composition capable of affording a molded product having a small cured volume shrinkage, a superior dimensional stability, a surface quality and a high hardness, a sheet-form molding material using the composition and a process for producing a fiber-reinforced plastic molded product are provided, which composition comprises a saturated polyester obtained by reacting a saturated dibasic acid component containing 20% by mol or more of adipic acid with a saturated glycol component and having a number average molecular weight of 4,000 or higher and an acid value of 2 to 8 KOH mg/g, an unsaturated polyester and an ethylenic unsaturated monomer; which sheet-form molding material has the unsaturated resin composition together with a fiber reinforcing material placed between two films.