Patents Assigned to Battelle, Centre de Recherche de Geneve
  • Process for measuring the viscosity of a fluid substance
    Patent number: 4149405
    Abstract: The viscosity of a fluid material, e.g. a synthetic-resin composition, or the coagulation of blood or plasma monitored by placing a quantity of the fluid substance on a support, directing a beam of light upon the sample, detecting reflected light from the sample and vibrating the support at a given frequency and amplitude to disturb its surface. The reflected light detected is a function of the viscosity or the degree of coagulation.
    Type: Grant
    Filed: January 9, 1978
    Date of Patent: April 17, 1979
    Assignee: Battelle, Centre de Recherche de Geneve
    Inventor: Anthony Ringrose