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:
Dec. 24, 2024
Filed:
Jul. 11, 2019
National Research Council of Canada, Ottawa, CA;
Benoit Simard, Orleans, CA;
Keith Ingold, Ottawa, CA;
Steven Kendrick Walker, Ottawa, CA;
Robyn Iannitto, Hamilton, CA;
Hyunjin Cho, Ottawa, CA;
Yadienka Martinez-Rubi, Orleans, CA;
Keun Su Kim, Ottawa, CA;
Christopher Kingston, Kanata, CA;
Jingwen Guan, Kanata, CA;
Stephane Denommee, Ottawa, CA;
Dean Ruth, Gatineau, CA;
Mark Plunkett, Ottawa, CA;
Abstract
Provided is a process and an apparatus for purifying boron nitride nanotube (BNNT) materials. The process involves the use of a halogen gas to remove halogen-reactive impurities from boron nitride nanotube (BNNT) materials in a single step with minimal interactions to produce structurally pristine BNNT. Gaseous byproducts are produced that 5 can be removed without the need for solution phase treatments. Yield efficiencies and purity of recovered BNNT are high compared to the other known methods of purification for BNNT material.