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:
Nov. 28, 2000
Filed:
Feb. 12, 1993
Chiuna-Huei Shieh, Lexington, MA (US);
Kenneth W Babcock, Borger, TX (US);
Gino Panciroli, Ravenna, IT;
John M Branan, Amarillo, TX (US);
Roscoe W Taylor, Abbotsford, AU;
Cabot Corporation, Boston, MA (US);
Abstract
Carbon blacks having a CTAB of greater than 155 m.sup.2 /g; an I.sub.2 No. of greater than 180 mg/g; a N.sub.2 SA of greater than 160 m.sup.2 /g; a Tint value of greater than 145%; a CDBP of 90-105 cc/100 g; a DBP of 115-140 cc/100 g; a .DELTA.DBP (.DELTA.DBP=DBP-CDBP) of 20-35 cc/100 g; a .DELTA.D50 of less than 40 nm; a Dmode of 40-65 nm; .DELTA.D50/Dmode ratio of 0.55-0.67; and an ASTM Aggregate Volume less than 137,000 (nm).sup.3. Also disclosed are rubber compositions containing the carbon blacks which exhibit superior handling and cornering performance properties, increased abrasion resistance and improved traction.