Patents by Inventor Russell Lang

Russell Lang 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).

  • Cyanide-free lytic reagent composition and method of use for hemoglobin and white blood cell measurement
    Publication number: 20060263889
    Abstract: A cyanide-free lytic reagent composition and method of use for measuring the total hemoglobin concentration and white blood cells in a blood sample are disclosed. The lytic reagent composition includes a quaternary ammonium surfactant to lyse red blood cells and release hemoglobin and a ligand to form a stable chromogen with the hemoglobin. The lytic reagent composition has a pH in a range of 3 to 10. The lytic reagent composition can also include a second quaternary ammonium surfactant. The ligand can be malic acid, malonic acid, ethylene diamine, N,N-diethylethylene diamine, N,N?-diethylethylene diamine, diethylene triamine, tetraethylene pentamine, 1,6-hexanediamine, 1,3-pentanediamine, 2-methylpentamethylenediamine, 1,2-diaminocyclohexane, 4-aminoacetophenone, bis-hexamethylenetriamine, pyridazine, or 3,6-dihyroxypyridazine.
    Type: Application
    Filed: May 4, 2005
    Publication date: November 23, 2006
    Applicant: Beckman Coulter, Inc.
    Inventors: Russell Lang, Dennisse Parra-Diaz, Luisa Oramas, Barbara Murza, Susana Maldonado
  • Method, system and computer program for providing a loyalty engine enabling dynamic administration of loyalty programs
    Publication number: 20050267800
    Abstract: A method, computer system, and computer program product for encouraging customer loyalty is provided.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 1, 2005
    Inventors: Terrance Tietzen, Mark Archinuk, Russell Lang, Steve Lam
  • Gas scrubber scale and deposit control
    Patent number: 4118318
    Abstract: Use of a high molecular weight polymer and a scale inhibitor to control deposit build-up in gas scrubbers.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: October 3, 1978
    Assignee: Calgon Corporation
    Inventors: Gerald Elvin Welder, Edward Russell Lang, Charles Wilmer Slagle