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:
May. 08, 2001
Filed:
Mar. 21, 1994
Applicant:
Inventors:
Mizuo Soeda, Tokyo, JP;
Yoichi Yuza, Ichihara, JP;
Takeo Ito, Chiba-ken, JP;
Kazue Watanabe, Chiba-ken, JP;
Ted W. Bush, Carlisle, MA (US);
Martin Green, Andover, MA (US);
John M. Branan, Jr., Amarillo, TX (US);
Assignee:
Cabot Corporation, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/50 ;
U.S. Cl.
CPC ...
C09C 1/50 ;
Abstract
New carbon blacks that when incorporated into rubber compositions impart increased abrasion resistance and lower hysteresis. Also disclosed are rubber composition incorporating the novel carbon blacks, which have nitrogen surface area of at least 100, a CDBP of at least 105, a tint of 90-140 and a delta D50/Dmode ratio of 0.6-0.76.