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:
Aug. 28, 2018

Filed:

May. 03, 2013
Applicant:

Exxonmobil Chemical Patents Inc., Baytown, TX (US);

Inventors:

John P. Soisson, Houston, TX (US);

Shawn W. Mowry, Houston, TX (US);

Luke P. Stephens, Houston, TX (US);

Michael B. Rodgers, Cedar Park, TX (US);

Yuan-Ju Chen, Houston, TX (US);

Molly W. Upton, Baytown, TX (US);

Marvin C. Hill, Spring, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/21 (2006.01); C08K 7/00 (2006.01); C08K 3/34 (2006.01); C08L 23/28 (2006.01); C08L 25/16 (2006.01); C08J 3/215 (2006.01); C08J 3/20 (2006.01);
U.S. Cl.
CPC ...
C08J 3/212 (2013.01); C08K 3/346 (2013.01); C08K 7/00 (2013.01); C08L 23/283 (2013.01); C08L 25/16 (2013.01); C08J 3/20 (2013.01); C08J 3/21 (2013.01); C08J 3/215 (2013.01); C08J 2323/28 (2013.01); C08J 2325/16 (2013.01); C08L 2205/06 (2013.01);
Abstract

To obtain an elastomeric composite crumb having a majority of the particle size distribution greater than 0.33 cm, the crumb is obtained by a process whereby the elastomeric composite comprises less than about 0.5 phr of a salt of a Cto Ccarboxylic acid, or 10 to 20 phr of a tackifying resin or a combination of both an absence of carboxylic acid and the presence of the tackifying resin. The use of one or both methods permits control of crumb particle size distribution in emulsion or solution processes for producing elastomeric nanocomposites. The elastomeric composite is also disclosed.


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