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:
Feb. 18, 2014

Filed:

Mar. 15, 2006
Applicants:

Hari Prasad Nadella, Copley, OH (US);

Ronald Deyoung, Westfield Center, OH (US);

Jianya Cheng, Fairlawn, OH (US);

Inventors:

Hari Prasad Nadella, Copley, OH (US);

Ronald DeYoung, Westfield Center, OH (US);

Jianya Cheng, Fairlawn, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Described in one aspect is a process for preparing a low durometer thermoplastic vulcanizate composition comprising melt blending one or more thermoplastic polymer(s) with a cross-linkable elastomer under conditions of dynamic vulcanization; adding at or after the start of the melt blending at least one curative agent for the elastomer so as to cross-link the elastomer during the melt blending; introducing process oil into the melt blending before, during and/or after the addition of the curative agent; and, extruding a fully crosslinked thermoplastic vulcanizate having a Shore A Hardness of less than 25.


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