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:
Jun. 11, 2002
Filed:
Dec. 02, 1993
Applicant:
Inventors:
Mizuo Soeda, Tokyo, JP;
Akimasa Arita, Kanagawa-ken, JP;
Takeo Ito, Chiba-Ken, JP;
Kazue Watanabe, Chiba-Ken, JP;
Assignee:
Cabot Corporation, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/50 ;
U.S. Cl.
CPC ...
C09C 1/50 ;
Abstract
Novel carbon blacks having a CTAB of from 65 m /g to 85 m /g, a DBP of from 130 cc/100 g to 160 cc/100 g, a CTAB/I No. ratio of from 1.15 to 1.35, a &Dgr;DPB of from 20 cc/100 g to 40 cc/100 g, a Tint value of from 85 to 100, a Dmode of from 115 nm to 135 nm and a &Dgr;D /Dmode ratio of from 0.65 to 0.90. Also disclosed are novel rubber compositions, incorporating the carbon blacks, having increased abrasion resistance and lower hysteresis.