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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 9637440 B1

PDFFull Text
Date of Patent:
May. 02, 2017

Filed:

Dec. 21, 2012

Derivatization of carbon

Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

Lynne Crawford, Harlow, GB;

Nathan Lawrence, Wyton, GB;

Timothy Jones, Cottenham, GB;

Assignee:

SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);

Attorney:
Primary Examiner:

Jill Warden

Assistant Examiner:

Matthew Krcha

Int. Cl.
CPC ...
C07C 201/12 (2006.01); C01B 31/04 (2006.01); C01B 31/02 (2006.01); H01G 11/32 (2013.01); H01M 4/583 (2010.01); H01M 4/96 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); G01N 27/30 (2006.01);
U.S. Cl.
CPC ...
C07C 201/12 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01B 31/0273 (2013.01); C01B 31/04 (2013.01); C01B 31/0484 (2013.01); G01N 27/302 (2013.01); G01N 27/308 (2013.01); H01G 11/32 (2013.01); H01M 4/583 (2013.01); H01M 4/96 (2013.01); Y02E 60/13 (2013.01);
Abstract

Derivatization of an elemental carbon surface is accomplished by exposing the carbon surface to an aprotic solvent containing a hydrazone molecule of formula (I) or the corresponding salt of formula (II) wherein Ris an organic group, and Ris an organic group or hydrogen and decomposing the hydrazone in the presence of elemental carbon to create a carbene moiety of formula (III): which attaches to the carbon surface. The attached groups may be redox active so that the derivatized carbon may be used in an electrochemical sensor.

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Crawford, Lynne. (2017). Derivatization of carbon (U.S. Patent No. 9637440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9637440

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