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:
Jun. 01, 2021

Filed:

Mar. 19, 2019
Applicant:

Eastman Chemical Company, Kingsport, TN (US);

Inventors:

Scott Donald Barnicki, Kingsport, TN (US);

Frederick Ignatz-Hoover, Elyria, OH (US);

Robert Thomas Hembre, Johnson City, TN (US);

Andrew Neil Smith, Wadsworth, OH (US);

Henk Kreulen, Halsteren, NL;

Aruna M. Velamakanni, Copley, OH (US);

Chenchy Lin, Akron, OH (US);

Ronald H. Arthur, Kingsport, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/24 (2006.01); C08L 21/00 (2006.01); C08K 3/06 (2006.01); C08K 5/44 (2006.01); C08K 5/435 (2006.01); C08K 5/38 (2006.01); C08K 5/378 (2006.01); C08K 5/372 (2006.01); B29D 30/06 (2006.01); C08K 3/04 (2006.01);
U.S. Cl.
CPC ...
C08J 3/246 (2013.01); C08J 3/24 (2013.01); C08K 3/06 (2013.01); C08K 5/372 (2013.01); C08K 5/378 (2013.01); C08K 5/38 (2013.01); C08K 5/435 (2013.01); C08K 5/44 (2013.01); C08L 21/00 (2013.01); B29D 30/0601 (2013.01); C08J 2307/00 (2013.01); C08J 2309/02 (2013.01); C08J 2309/06 (2013.01); C08K 3/04 (2013.01); C08L 2207/04 (2013.01); C08L 2312/00 (2013.01);
Abstract

Vulcanizable elastomeric formulation are disclosed. The formulations comprise at least one elastomer; a vulcanizing agent comprising cyclododecasulfur; and a prevulcanization inhibitor, present in an amount, for example, from about 0.01 phr to about 10 phr. The formulations, when vulcanized, provide articles that exhibit improved durability.


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