Patents by Inventor Sean T. Hemp

Sean T. Hemp 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).

  • Dual responsive block copolymer compositions
    Patent number: 9422387
    Abstract: A composition includes a responsive block copolymer, the responsive block copolymer including at least one block A that is a triggerable copolymer, the triggerable copolymer including at least one lower critical solution temperature monomer and at least one charged monomer, wherein the triggerable copolymer block A is a dual trigger block configured to trigger on temperature and ionic strength, and wherein the responsive block copolymer micellizes or gels at a temperature between 28° C. and 37° C. and a salt concentration of about 0.9 wt %.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: August 23, 2016
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: William Clayton Bunyard, Timothy E Long, Adam E. Smith, Shijing Cheng, Sean T. Hemp
  • Dual Responsive Block Copolymer Compositions
    Publication number: 20130261266
    Abstract: A composition includes a responsive block copolymer, the responsive block copolymer including at least one block A that is a triggerable copolymer, the triggerable copolymer including at least one lower critical solution temperature monomer and at least one charged monomer, wherein the triggerable copolymer block A is a dual trigger block configured to trigger on temperature and ionic strength, and wherein the responsive block copolymer micellizes or gels at a temperature between 28° C. and 37° C. and a salt concentration of about 0.9 wt %.
    Type: Application
    Filed: March 27, 2013
    Publication date: October 3, 2013
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: William Clayton Bunyard, Timothy E. Long, Adam E. Smith, Shijing Cheng, Sean T. Hemp