Patents by Inventor Kevin Bruce Johnson

Kevin Bruce Johnson 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).

  • Use of liposomes of defined composition and size for the preparation of prothrombin time reagents
    Patent number: 6596543
    Abstract: The present invention relates generally to the field of prothrombin time reagents for determining dysfunction in the coagulation system and more specifically to reagents made from native thromboplastin or purified or recombinant tissue factor and phospholipids from a natural or synthetic source. The present invention relates to methods to make a diagnostic reagent that includes a membrane-bound protein incorporated into a liposome and having additional empty liposomes (liposomes without membrane-bound protein incorporated therein) added to the solution.
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: July 22, 2003
    Assignee: Dade Behring Inc.
    Inventors: Jianfang Wang, Kevin Bruce Johnson, Liliana Maria Tejidor, Hema Doobay
  • Use of liposomes of defined composition and size for the preparation of prothrombin time reagents
    Publication number: 20020182225
    Abstract: The present invention relates generally to the field of prothrombin time reagents for determining dysfunction in the coagulation system and more specifically to reagents made from native thromboplastin or purified or recombinant tissue factor and phospholipids from a natural or synthetic source. The present invention relates to methods to make a diagnostic reagent that includes a membrane-bound protein incorporated into a liposome and having additional empty liposomes (liposomes without membrane-bound protein incorporated therein) added to the solution.
    Type: Application
    Filed: March 22, 2001
    Publication date: December 5, 2002
    Inventors: Jianfang Wang, Kevin Bruce Johnson, Liliana Maria Tejidor, Hema Doobay