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:
Aug. 03, 1993
Filed:
Nov. 25, 1991
Applicant:
Inventors:
John M Branan, Jr, Amarillo, TX (US);
Chiung-Huei Shieh, Lexington, MA (US);
Myles L Mace, Jr, Dover, MA (US);
Assignee:
Cabot Corporation, Boston, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
524495 ; 4234491 ;
Abstract
Carbon blacks having a having a CTAB of 95-120 m.sup.2 /g, a CDBP of 106-120 cc/100 g, a Tint/CTAB ratio of 0.90-1.10, a Skewness D.sub.c of 1.30-1.80 and a Skewness P.sub.s of 1.00-1.50. Also disclosed are rubber compounds containing the carbon blacks which exhibit increased abrasion resistance, lower heat build-up and reduced rolling resistance.