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:
Dec. 07, 2010
Filed:
Nov. 17, 2008
Applicants:
Weidong Wong, Marietta, GA (US);
Charles R. Herd, Woodstock, GA (US);
Jorge A. Ayala, Yorkville, IL (US);
Inventors:
Weidong Wong, Marietta, GA (US);
Charles R. Herd, Woodstock, GA (US);
Jorge A. Ayala, Yorkville, IL (US);
Assignee:
Columbian Chemicals Company, Marietta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention claims that a carbon black with unique morphological properties provides improved carbon black dispersion and improved rubber compound properties, such as improved fatigue life and abrasion resistance. The carbon black of current invention has a ratio of aggregate size HI and particle size HI greater than 1.70, the surface area STSA of 100-180 M/g and the structure OAN less than 140 cc/100 g.