logo

For the Inventor, By the Inventor

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 9180442 B1

PDFFull Text
Expired
Date of Patent:
Nov. 10, 2015

Filed:

Jun. 18, 2013

Porous graphene oxide materials

Applicant:

National University of Singapore, Singapore, SG;

Inventors:

Kian Ping Loh, Singapore, SG;

Chen Liang Su, Singapore, SG;

Assignee:

National University of Singapore, Singapore, SG;

Attorney:

Cesari and McKenna, LLP

Primary Examiner:

Taofiq A Solola

Int. Cl.
CPC ...
B01J 35/00 (2006.01); B01J 21/18 (2006.01); B01J 37/06 (2006.01); B01J 37/12 (2006.01); B01J 23/22 (2006.01); B01J 23/40 (2006.01); B01J 23/44 (2006.01); B01J 23/52 (2006.01); B01J 23/70 (2006.01); B01J 27/20 (2006.01); B01J 35/10 (2006.01); C01B 31/04 (2006.01); C07C 211/04 (2006.01); C07C 211/28 (2006.01); C07D 409/12 (2006.01); B82Y 40/00 (2011.01); B01J 37/34 (2006.01);
U.S. Cl.
CPC ...
B01J 35/0033 (2013.01); B01J 21/18 (2013.01); B01J 23/22 (2013.01); B01J 23/40 (2013.01); B01J 23/44 (2013.01); B01J 23/52 (2013.01); B01J 23/70 (2013.01); B01J 27/20 (2013.01); B01J 35/10 (2013.01); B01J 37/06 (2013.01); B01J 37/12 (2013.01); C01B 31/043 (2013.01); C07C 211/04 (2013.01); C07C 211/28 (2013.01); C07D 409/12 (2013.01); B01J 35/002 (2013.01); B01J 35/1014 (2013.01); B01J 35/1019 (2013.01); B01J 35/1023 (2013.01); B01J 35/1028 (2013.01); B01J 35/1038 (2013.01); B01J 35/1042 (2013.01); B01J 35/1047 (2013.01); B01J 35/1057 (2013.01); B01J 35/1061 (2013.01); B01J 35/1066 (2013.01); B01J 37/343 (2013.01); B82Y 40/00 (2013.01); C01B 2204/32 (2013.01); C01P 2006/14 (2013.01);
Abstract

A method of preparing a porous graphene oxide material. The method includes the steps of: (1) preparing graphene oxide sheets from graphite at 40 to 170° C.; (2) providing a graphene oxide suspension containing the graphene oxide sheets; (3) heating the graphene oxide suspension with a base at 25 to 300° C. for 0.1 to 48 hours to obtain base-treated graphene oxide sheets; and (4) heating a mixture of the base-treated graphene oxide sheets and an acid at 25 to 300° C. for 0.1 to 48 hours to yield the porous graphene oxide material. Also disclosed are novel porous graphene oxide materials and methods of using these materials as catalysts.

Find Patent Forward Citations

Loading…