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:
Jan. 14, 2020
Filed:
May. 11, 2018
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
Keith Daniel Humfeld, Federal Way, WA (US);
Scott Hartshorn, Snohomish, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 8/18 (2006.01); C01B 32/168 (2017.01); C01B 32/205 (2017.01); D01F 9/12 (2006.01); D06M 10/10 (2006.01); D06M 15/31 (2006.01); D06M 15/71 (2006.01); D06B 3/04 (2006.01); D06M 101/40 (2006.01);
U.S. Cl.
CPC ...
D01F 8/18 (2013.01); C01B 32/168 (2017.08); C01B 32/205 (2017.08); D01F 9/12 (2013.01); D06B 3/04 (2013.01); D06M 10/10 (2013.01); D06M 15/31 (2013.01); D06M 15/71 (2013.01); D06M 2101/40 (2013.01); D10B 2101/122 (2013.01); D10B 2401/00 (2013.01); D10B 2505/02 (2013.01);
Abstract
A carbon nanotube yarn is coated with polyacrylonitrile to form a coated carbon nanotube yarn. The polyacrylonitrile is converted to crystalline carbon to form a layered carbon fiber with a sheath of the crystalline carbon and a core of the carbon nanotube yarn.