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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.:

US 12636631 B1

PDFFull Text
Date of Patent:
May. 26, 2026

Filed:

Mar. 31, 2021

Activated carbon and method of fabrication thereof

Applicants:

National University of Singapore, Singapore, SG;

Sembcorp Industries Ltd., Singapore, SG;

Inventors:

Chi-Hwa Wang, Singapore, SG;

Babu Cadiam Mohan, Singapore, SG;

Zhiyi Yao, Singapore, SG;

Anbu Mozhi Thamizhchelvan, Singapore, SG;

Assignees:

NATIONAL UNIVERSITY OF SINGAPORE, Singapore, SG;

Sembcorp Industries Ltd., Singapore, SG;

Attorney:

MARSHALL, GERSTEIN & BORUN LLP

Primary Examiner:

Yong L Chu

Int. Cl.
CPC ...
B01J 20/20 (2006.01); B01J 20/10 (2006.01); B01J 20/22 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01); C01B 32/318 (2017.01); C01B 32/348 (2017.01); C01B 32/372 (2017.01);
U.S. Cl.
CPC ...
B01J 20/20 (2013.01); B01J 20/103 (2013.01); B01J 20/22 (2013.01); B01J 20/28007 (2013.01); B01J 20/28016 (2013.01); B01J 20/28064 (2013.01); B01J 20/2808 (2013.01); B01J 20/3078 (2013.01); B01J 20/3204 (2013.01); B01J 20/3217 (2013.01); B01J 20/3234 (2013.01); B01J 20/3244 (2013.01); B01J 20/3293 (2013.01); C01B 32/318 (2017.08); C01B 32/348 (2017.08); C01B 32/372 (2017.08); C01P 2002/72 (2013.01); C01P 2002/82 (2013.01); C01P 2002/88 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2004/80 (2013.01); C01P 2006/12 (2013.01); C01P 2006/16 (2013.01);
Abstract

The present invention relates, in general terms, to methods of forming activated carbon. The method of forming activated carbon comprises mixing carbon black with an activation catalyst and heating the carbon black in order to form the activated carbon. The present invention also relates to applications of activated carbon as disclosed herein. In a preferred embodiment, the activation catalyst is selected from ammonium persulfate, sodium persulfate, potassium persulfate or a combination thereof.

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