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. 11, 1988
Filed:
Dec. 31, 1986
Applicant:
Inventors:
Byron A Hunter, Alpine, UT (US);
Lee D Hansen, Orem, UT (US);
Donald G Rowland, Woodbridge, CT (US);
Assignee:
Uniroyal Chemical Company, Inc., Middlebury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 93 ; 521 79 ; 521 94 ; 521909 ;
Abstract
Foamed elastomeric compositions are produced by a process comprising the steps of (A) forming a blend comprised of (1) a foamable, curable elastomer; (2) a curative; and (3) a blowing agent composition consisting essentially of (i) azodicarbonamide and (ii) at least one member selected from the group consisting of zinc salt of C.sub.1 -C.sub.6 organic acids and C.sub.1 -C.sub.6 carboxamides; and (B) heating such blend to between about 130.degree. C. and about 170.degree. C. for a period of time sufficient to foam and cure such blend.