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:
Jun. 30, 2020
Filed:
Sep. 01, 2017
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Haibo Zhao, Northville, MI (US);
Patrick James Blanchard, Ann Arbor, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/05 (2017.01); D01D 5/42 (2006.01); D01F 9/12 (2006.01); C01B 32/16 (2017.01); C08K 7/06 (2006.01); D01D 5/24 (2006.01);
U.S. Cl.
CPC ...
C01B 32/05 (2017.08); C01B 32/16 (2017.08); C08K 7/06 (2013.01); D01D 5/24 (2013.01); D01D 5/426 (2013.01); D01F 9/12 (2013.01); Y10T 428/2918 (2015.01);
Abstract
A method of forming carbon fibers having internal cavities. The method includes applying a polymer material to a tooling component to form carbon fiber precursor hollow tubes, oxidizing the carbon fiber precursor hollow tubes, and carbonizing the carbon fiber hollow tubes to form carbon fibers, each having a hollow inner cavity.