Patents by Inventor Steven Kendrick WALKER

Steven Kendrick WALKER has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PROCESS AND APPARATUS FOR PURIFYING BNNT
    Publication number: 20210261414
    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.
    Type: Application
    Filed: July 11, 2019
    Publication date: August 26, 2021
    Inventors: Benoit SIMARD, Keith INGOLD, Steven Kendrick WALKER, Robyn IANNITTO, Hyunjin CHO, Yadienka MARTINEZ-RUBI, Keun Su KIM, Christopher KINGSTON, Jingwen GUAN, Stephane DENOMMEE, Dean RUTH, Mark PLUNKETT