Patents by Inventor Kendall O. Smith

Kendall O. Smith 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).

  • Methods for quantifying components in liquid samples
    Patent number: 5039487
    Abstract: System for quantifying components in a liquid sample, for example white blood cells in blood, based on use of substantially non-compressible beads of uniform diameter as spacers between a microscope slide and a cover slip. The distance between the slide and cover slip is determined by the diameter of the beads, and thus the volume of the sample being viewed can be precisely determined. Prior to use, the beads may be adhered to a microscope slide or stirring rod in a dried adhesive matrix which is soluble in the liquid sample to be examined.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: August 13, 1991
    Assignee: Board of Regents, The University of Texas System
    Inventor: Kendall O. Smith
  • Apparatus for quantifying components in liquid samples
    Patent number: 4950455
    Abstract: System for quantifying components in a liquid sample, for example white blood cells in blood, based on use of substantially non-compressible beads of uniform diameter as spacers between a microscope slide and cover slip. The distance between the slide and cover slip is determined by the diameter of the beads, and thus the volume of the sample being viewed can be precisely determined. Prior to use, the beads may be adhered to a microscope slide or stirring rod in a dried adhesive matrix which is soluble in the liquid sample to be examined.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: August 21, 1990
    Assignee: Board of Regents, University of Texas System
    Inventor: Kendall O. Smith
  • Anti-viral compositions
    Patent number: 4902678
    Abstract: Combinations of 9-[[2-hydroxy-1-(hydroxymethyl)-ethoxy]methyl]guanine and at least one other antivirally active drug such as phosphonoacetic acid and its salts, phosphonoformic acid and its salts, acycloguanosine, or a 5-(2-halogenovinyl)-2'-deoxyuridine show synergy in their activity against various herpes virus infections including HSV-1 and HSV-2.
    Type: Grant
    Filed: April 5, 1988
    Date of Patent: February 20, 1990
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: Kendall O. Smith
  • Synergistic anti-herpes compositions
    Patent number: 4462986
    Abstract: Combinations of 9-[[2-hydroxy-1-(hydroxymethyl)-ethoxy]methyl]guanine or a pharmaceutically acceptable salt thereof, and interferon show synergy in their activity against herpes virus infections.
    Type: Grant
    Filed: November 4, 1982
    Date of Patent: July 31, 1984
    Assignee: Ens Bio Logicals, Inc.
    Inventor: Kendall O. Smith
  • Micro-analysis process and device
    Patent number: 4309912
    Abstract: An improved process and device for facilitating micro-analysis of samples under ten microliters with good accuracy-precision wherein a sample together with another liquid substance are simultaneously delivered into a receptacle in a suitably small volume, including a self-cleaning feature enabling reuse without a specific washing step or changing a disposable part; additionally, such process and device include a capability for making serial dilutions.
    Type: Grant
    Filed: August 1, 1980
    Date of Patent: January 12, 1982
    Inventor: Kendall O. Smith
  • Magnetic attraction transfer devices for use in solid phase radioimmunoassays and in other assay methods
    Patent number: 4292920
    Abstract: A device for transferring, by magnetic attraction, antigen-antibody adsorbent materials from one reaction mixture to another, and to facilitate an efficient rinsing of these materials, and for transferring adsorbent materials used in other assay methods.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: October 6, 1981
    Inventors: Kendall O. Smith, Warren D. Gehle
  • Magnetic attraction transfer process for use in solid phase radioimmunoassays and in other assay methods
    Patent number: 4272510
    Abstract: A process and devices for transferring, by magnetic attraction, antigen-antibody adsorbent materials from one reaction mixture to another, and to facilitate an efficient rinsing of these materials, and for transferring adsorbent materials used in other assay methods.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: June 9, 1981
    Inventors: Kendall O. Smith, Warren D. Gehle
  • Low temperature storage of surface attached living cell cultures
    Patent number: 3943993
    Abstract: A process is described in which surface attached living cell cultures are treated, cooled, stored and revived in such a manner as to retain their viability and their adherence to culture surfaces.
    Type: Grant
    Filed: May 3, 1974
    Date of Patent: March 16, 1976
    Inventor: Kendall O. Smith