Patents by Inventor Wallace L. McKeehan

Wallace L. McKeehan 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: 6812221
    Abstract: The present invention relates to a method and apparatus for isolating anticoagulant heparin or heparan sulfate by binding the anticoagulant heparin or anticoagulant heparan sulfate onto an affinity matrix and separating the non-bound material from the bound material. The affinity matrix is made of a fibroblast growth factor immobilized on a support. The invention also relates to a method and composition for neutralizing anticoagulation catalyzed by heparin, a heparin mimic, or a heparin derivative, by contacting heparin, a heparin mimic, or a heparin derivative with a fibroblast growth factor.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: November 2, 2004
    Assignee: The Texas A&M University System
    Inventors: Wallace L. McKeehan, Yongde Luo
  • Publication number: 20020111331
    Abstract: The present invention relates to a method and apparatus for isolating anticoagulant heparin or heparan sulfate by binding the anticoagulant heparin or anticoagulant heparan sulfate onto an affinity matrix and separating the non-bound material from the bound material. The affinity matrix is made of a fibroblast growth factor immobilized on a support. The invention also relates to a method and composition for neutralizing anticoagulation catalyzed by heparin, a heparin mimic, or a heparin derivative, by contacting heparin, a heparin mimic, or a heparin derivative with a fibroblast growth factor.
    Type: Application
    Filed: November 21, 2001
    Publication date: August 15, 2002
    Inventors: Wallace L. McKeehan, Yongde Luo