Patents by Inventor John P. Groff

John P. Groff 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).

  • Neutralization of polycations in a chromatographic device for whole blood use
    Patent number: 6673629
    Abstract: A chromatography assay device and method for use with whole blood samples utilizing a red blood cell separating agent to aggregate red blood cells and permit plasma or serum to flow by capillary action and a neutralizing agent to neutralize any effects the red blood cell separating agent may have on the device and method.
    Type: Grant
    Filed: January 15, 1998
    Date of Patent: January 6, 2004
    Assignee: Abbott Laboratories
    Inventors: Toru Yoshimura, Toshihiro Ogasawara, Michihiro Saito, John P. Groff
  • NEUTRALIZATION OF POLYCATIONS IN A CHROMATOGRAPHIC DEVICE FOR WHOLE BLOOD USE
    Publication number: 20010006823
    Abstract: A chromatography assay device and method for use with whole blood samples utilizing a red blood cell separating agent to aggregate red blood cells and permit plasma or serum to flow by capillary action and a neutralizing agent to neutralize any effects the red blood cell separating agent may have on the device and method.
    Type: Application
    Filed: January 15, 1998
    Publication date: July 5, 2001
    Inventors: TOHRU YOSHIMURA, TOSHIHIRO OGASAWARA, MICHIHIRO SAITO, JOHN P. GROFF
  • Antimicrobial for in-vitro diagnostic kits
    Patent number: 4931446
    Abstract: An antimicrobial composition containing quinolones and parabens provides surprising fungicidal and bactericidal activity when used in serum or protein-based in-vitro diagnostic kits. Also, a method of inhibiting the growth of bacteria and fungi in in-vitro diagnostic kits by adding the new antimicrobial composition to the kit components.
    Type: Grant
    Filed: March 23, 1988
    Date of Patent: June 5, 1990
    Assignee: Abbott Laboratories
    Inventors: Bonnie Berger-Neel, Beth K. Gershon, John P. Groff