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.

Date of Patent:
Dec. 26, 1978

Filed:

Jan. 25, 1977
Applicant:
Inventor:

Frits M Wilschut, Heenvliet, NL;

Assignee:

Synres International B.V., Hoek van Holland, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08K / ;
U.S. Cl.
CPC ...
260862 ; 260872 ; 260 / ;
Abstract

Thermosetting moulding material comprising an unsaturated polyester, a copolymerizable vinyl monomer and other additives are disclosed which contain as a shrinkage-reducing additive a copolymer of styrene with 2 to 10% by weight of an unsaturated monocarboxylic acid, and 15 to 40% by weight of a dialkyl ester of an unsaturated dicarboxylic acid. These compositions may be used as casting resins, in dough-moulding and in sheet-moulding to prepare dimensionally stable objects with a smooth surface and homogeneous coloration.


Find Patent Forward Citations

Wilschut, Frits. (1978). Thermosetting polyester compositions (U.S. Patent No. 4131635). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4131635

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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