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:
May. 14, 2024
Filed:
Aug. 13, 2021
Applicant:
Tokai Carbon Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Tokai Carbon Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/04 (2006.01); C09C 1/50 (2006.01); C09C 1/58 (2006.01);
U.S. Cl.
CPC ...
C08K 3/04 (2013.01); C09C 1/50 (2013.01); C09C 1/58 (2013.01); C01P 2002/82 (2013.01); C01P 2002/86 (2013.01); C01P 2006/12 (2013.01); C01P 2006/19 (2013.01); C08K 2201/006 (2013.01);
Abstract
A carbon black wherein a nitrogen adsorption specific surface area (NSA) is 25 to 60 m/g, a DBP absorption number is 90 to 180 cm/100 g, a ratio of the nitrogen adsorption specific surface area (NSA) to an iodine adsorption number (IA) (NSA/IA) is 1.10×10to 1.50×10m/g, a hydrogen content by NMR is 150 to 250 /g, and ΔD is 260 to 290 cm.