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:
Jan. 08, 2013
Filed:
Apr. 27, 2011
Applicants:
Andrew D. E. Macintosh, Ottawa, CA;
Vincent W. Y. Wong, Dunrobin, CA;
Inventors:
Andrew D. E. MacIntosh, Ottawa, CA;
Vincent W. Y. Wong, Dunrobin, CA;
Assignee:
Raymond Chabot Inc., Ottawa, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates a pyrolytic carbon black produced from pyrolyzed rubber, the pyrolytic carbon black having an ash content ranging between 9-15%, a toluene discoloration at 425 mu of between 80-90% transmission, an iodine adsorption between 30 and 45 mg/g; and, an n-dibutyl phthalate absorption number of or to 65 cc/100 gm.