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 8377843 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 19, 2013

Filed:

Apr. 20, 2010
Applicant:

Frederick S. Baker, Oak Ridge, TN (US);

Inventor:

Frederick S. Baker, Oak Ridge, TN (US);

Assignee:

UT-Battelle, LLC, Oak Ridge, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of producing activated carbon fibers (ACFs) includes the steps of providing a natural carbonaceous precursor fiber material, blending the carbonaceous precursor material with a chemical activation agent to form chemical agent-impregnated precursor fibers, spinning the chemical agent-impregnated precursor material into fibers, and thermally treating the chemical agent-impregnated precursor fibers. The carbonaceous precursor material is both carbonized and activated to form ACFs in a single step. The method produces ACFs exclusive of a step to isolate an intermediate carbon fiber.


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Baker, Frederick. (2013). Activated carbon fibers and engineered forms from renewable resources (U.S. Patent No. 8377843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8377843

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