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:
Mar. 03, 1992
Filed:
Sep. 10, 1990
Applicant:
Inventors:
Yasumi Komai, Ichihara, JP;
Mizuo Soeda, Taito, JP;
Assignee:
Cabot Corporation, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C09C / ; C08K / ;
U.S. Cl.
CPC ...
524495 ; 423445 ; 423449 ; 423450 ;
Abstract
Carbon blacks having a N.sub.2 SA of from at least about 150 m.sup.2 /g to about 180 m.sup.2 /g, a DBP of about 125 cc/100 g or less, a Dmode of 70 nm or less, a N.sub.2 SA/I.sub.2 No. ratio of 0.85 to 0.98 and a .DELTA.DBP less than 210 cc/100 g which, when incorporated into rubber compositions, impart increased abrasion resistance, heterogenous abrasion resistance and grip performance properties. Also disclosed are rubber composition incorporating the novel carbon blacks.