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:
Feb. 16, 2021
Filed:
Nov. 29, 2018
Applicant:
Oci Company Ltd., Seoul, KR;
Inventor:
Jae-Seok Lee, Seongnam-si, KR;
Assignee:
OCI COMPANY LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/56 (2006.01); C09C 1/50 (2006.01); C09C 1/58 (2006.01); C09C 1/60 (2006.01);
U.S. Cl.
CPC ...
C09C 1/565 (2013.01); C09C 1/50 (2013.01); C09C 1/58 (2013.01); C09C 1/60 (2013.01);
Abstract
The present invention relates to a method for oxidizing a carbon black which can prevent or alleviate change in the surface oxidation degree of the carbon black by a residual ozone after surface oxidation reforming, and a method for preparing the carbon black by comprising it in a single continuous process.