Patents by Inventor C. William Fulk, Jr.

C. William Fulk, Jr. 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).

  • Publication number: 20210043904
    Abstract: A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of <0.80 microns (?m); or an interply adhesion as defined by a peel strength >60 grams.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Inventors: Ronald W. Call, C. William Fulk, JR., Lie Shi, Xiaomin Zhang, Khuy V. Nguyen
  • Patent number: 10818899
    Abstract: A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of <0.80 microns (?m); or an interply adhesion as defined by a peel strength >60 grams.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: October 27, 2020
    Assignee: Celgard, LLC
    Inventors: Ronald W. Call, C. William Fulk, Jr., Lie Shi, Xiaomin Zhang, Khuy V. Nguyen
  • Publication number: 20180261817
    Abstract: A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of <0.80 microns (?m); or an interply adhesion as defined by a peel strength >60 grams.
    Type: Application
    Filed: May 15, 2018
    Publication date: September 13, 2018
    Inventors: Ronald W. Call, C. William Fulk, JR., Lie Shi, Xiaomin Zhang, Khuy V. Nguyen
  • Patent number: 10003058
    Abstract: A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of <0.80 microns (?m); or an interply adhesion as defined by a peel strength >60 grams.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: June 19, 2018
    Assignee: Celgard, LLC
    Inventors: Ronald W. Call, C. William Fulk, Jr., Lie Shi, Xiaomin Zhang, Khuy V. Nguyen
  • Patent number: 5938922
    Abstract: A contactor for degassing liquids includes a perforated core, a plurality of microporous hollow fibers, and a shell. The fibers surround the core and have two ends. A tube sheet affixes the ends of the fibers. A baffle is located between the tube sheets. The hollow fibers are closed at the baffle. The shell encloses the fibers, tube sheets, and the baffle. The system for degassing liquids includes a source of liquid containing a gas, a source of vacuum, and the contactor.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: August 17, 1999
    Assignee: Celgard LLC
    Inventors: C. William Fulk, Jr., James J. Lowery, Charles J. Runkle