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. 17, 2022
Filed:
Dec. 26, 2018
Applicant:
Oci Company Ltd., Seoul, KR;
Inventors:
Assignee:
OCI COMPANY LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/56 (2006.01); C09C 1/50 (2006.01); C09C 1/60 (2006.01);
U.S. Cl.
CPC ...
C09C 1/50 (2013.01); C09C 1/56 (2013.01); C09C 1/565 (2013.01); C09C 1/60 (2013.01); C01P 2004/50 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01);
Abstract
The present invention generally relates to a method for preparing a carbon black of high resistivity through the surface treatment of the carbon black which exhibits conductivity, and a carbon black prepared by this method.