Patents by Inventor Michelle M. Hewitt

Michelle M. Hewitt 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: 9200148
    Abstract: There is provided a controlled degradation fiber and methods of making such controlled degradation fiber, wherein at least one first material and at least one second material are selected such that the fiber has a weight loss of greater than 6 wt. % and less than 60 wt. % based on the total weight of the fiber after one week at 130° C. in the presence of water.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: December 1, 2015
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yong K. Wu, Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20130338271
    Abstract: The present disclosure relates to a degradable material comprising (a) from about 60 weight percent to about 97 weight percent of a first material based on the total weight of the degradable material, and (b) from about 3 weight percent to about 40 weight percent of a second material based on the total weight of the degradable material, where the second material is an oligomer comprising lactate and giycolate. In another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a Tg less than 56° C. In still another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a tan delta peak of less than 65° C.
    Type: Application
    Filed: December 8, 2011
    Publication date: December 19, 2013
    Applicant: 3M Innovative Properties Company
    Inventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20130310491
    Abstract: There is provided self-degrading fibers, and methods of making and methods of using such self-degrading fibers.
    Type: Application
    Filed: December 8, 2011
    Publication date: November 21, 2013
    Applicant: 3M 9NNOVATIVE PROPERTIES COMPANY
    Inventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Daniel J. Zillig, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20130274385
    Abstract: There is provided controlled degradation fibers, and methods of making such controlled degradation fibers.
    Type: Application
    Filed: December 8, 2011
    Publication date: October 17, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yong K. Wu, Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Jay M. Jennen, Sasha B. Myers