Patents by Inventor David B. Chan

David B. Chan 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).

  • Patent number: 11911272
    Abstract: Various aspects of the present disclosure are directed toward apparatuses, systems, and methods that include a plurality of absorbable filaments arranged in a support structure and configured degrade within a defined time period and a membrane arranged about the plurality of absorbable filaments and configured to contain fragments of the plurality of absorbable filaments in response to a fracture or degradation of a filament.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: February 27, 2024
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Michael C. Chan, Edward H. Cully, Jeffrey B. Duncan, Byron K. Hayes, Samuel Joynson, Tom R. McDaniel, David J. Messick, Edward E. Shaw
  • Patent number: 8772330
    Abstract: The present disclosure concerns a compound, or a pharmaceutically acceptable salt thereof, having a formula: where at least one of R1-R4 is a heterocycle, at least one of R1-R4 is an aryl group coupled to the ring by a linker atom, functional group, or other moiety, or where none of R1-R4 is an amide, and any and all combinations thereof. Remaining R1-R4 substituents independently are aliphatic, substituted aliphatic, amine, substituted amine, aryl, substituted aryl, cyclic, substituted cyclic, halide, heteroaryl, substituted heteroaryl, heterocyclic, substituted heterocyclic, hydrogen or hydroxyl. A method for treating a subject also is provided comprising administering a disclosed compound or compounds, or a prodrug that is converted into the disclosed compound or compounds, or a composition comprising the compound, compounds, or prodrugs thereof, to a subject. A method for making disclosed compounds also is provided.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: July 8, 2014
    Assignee: State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University
    Inventors: James David White, David T. Wong, David B. Chan, Jongtae Yang, Rajan Juniku
  • Publication number: 20120190725
    Abstract: The present disclosure concerns a compound, or a pharmaceutically acceptable salt thereof, having a formula: where at least one of R1-R4 is a heterocycle, at least one of R1-R4 is an aryl group coupled to the ring by a linker atom, functional group, or other moiety, or where none of R1-R4 is an amide, and any and all combinations thereof. Remaining R1-R4 substituents independently are aliphatic, substituted aliphatic, amine, substituted amine, aryl, substituted aryl, cyclic, substituted cyclic, halide, heteroaryl, substituted heteroaryl, heterocyclic, substituted heterocyclic, hydrogen or hydroxyl. A method for treating a subject also is provided comprising administering a disclosed compound or compounds, or a prodrug that is converted into the disclosed compound or compounds, or a composition comprising the compound, compounds, or prodrugs thereof, to a subject. A method for making disclosed compounds also is provided.
    Type: Application
    Filed: January 20, 2012
    Publication date: July 26, 2012
    Inventors: James David White, David T. Wong, David B. Chan, Jongtae Yang, Rajan Juniku