Patents by Inventor Lidia Kupczyk-Subotkowska

Lidia Kupczyk-Subotkowska 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).

  • Physiological fluid separation vehicles having improved resistance to inward migration of therapeutic agents
    Patent number: 6072022
    Abstract: A polyester composition for use in facilitating separation of blood serum or plasma from a cellular portion of blood, the composition containing: (a) a multifunctional acid component comprising: (i) a benzene polycarboxylic acid, and derivatives thereof; and (ii) an aliphatic polycarboxylic acid having from about 16 to about 40 carbon atoms; and (b) a diol component, and wherein the multifunctional acid component and diol component are employed in an equivalent ratio ranging from about 0.8:1.1 to about 1.0:1.3.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: June 6, 2000
    Assignee: Henkel Corporation
    Inventors: William L. O'Brien, Dean A. Oester, Jeffrey A. Barnhorst, Lidia Kupczyk-Subotkowska, John P. Fisher