Patents Assigned to Centaur Chemical Co.
  • Filter for micropipettes
    Patent number: 4059020
    Abstract: A disposable two part filter assembly for use on the detachable tip of a laboratory pipette. It comprises a body member with an opening shaped and sized to engage the tip. Such body members may be provided for a wide range of tip sizes and shapes. Inserted within each of the body members is a filter element. The filter elements have essentially the same size and shape but may differ as to material and porosity.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: November 22, 1977
    Assignee: Centaur Chemical Co.
    Inventor: Souren Avakian
  • Micropipette filter tips
    Patent number: 3985032
    Abstract: A removable, disposable molded plastic tip for use with a spring-loaded plunger-actuated vacuum pipette. The discharge end of the tip is provided with a solid porous filter member designed to filter a sample fluid during either of fluid entry into, or discharge from, the tip.
    Type: Grant
    Filed: November 13, 1975
    Date of Patent: October 12, 1976
    Assignee: Centaur Chemical Co.
    Inventor: Souren Avakian
  • Multi-media petri dish
    Patent number: 3960658
    Abstract: A disposable article of manufacture is provided which comprises a Petri-type dish which is divided into separate compartments containing culture media adapted for the rapid identification of uropathogenic bacteria and colony count determination.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: June 1, 1976
    Assignee: Centaur Chemical Co.
    Inventors: Souren Avakian, Harry Seneca