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:
Oct. 24, 1978
Filed:
Jun. 28, 1976
Applicant:
Inventors:
Yoshifumi Murata, Kurashiki, JP;
Yoshio Ohfuji, Kurashiki, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08G / ;
U.S. Cl.
CPC ...
260873 ; 2608 / ; 260887 ; 260890 ; 260892 ;
Abstract
A comb-like copolymer comprising an alkenyl aromatic polymer by way of trunk and a saturated polyester by way of branch is incorporated in an unsaturated polyester resin to which an alkenyl aromatic polymer is added for reducing the cure shrinkage of the resin so as to impart dispersion stability to said alkenyl aromatic polymer.