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:
Jan. 13, 1981
Filed:
Dec. 27, 1977
Applicant:
Inventors:
James L Brewbaker, Midland, MI (US);
Rodrique L Marzett, Midland, MI (US);
William A Sprenger, Coleman, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525447 ; 525440 ; 525445 ; 525921 ;
Abstract
The shrinkage of a thermosettable composition comprising an unsaturated polyester and a vinyl monomer capable of cross-linking the polyester is reduced during cure by the addition to the composition of an alkylene oxide polymer which is soluble in the thermosettable composition but which is substantially less soluble in the cured thermoset composition.