Patents by Inventor Robert E. Shanks

Robert E. Shanks 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).

  • Measurement of optical density via nephenometry
    Patent number: 4687336
    Abstract: A method for measuring the formation of optical density at 350 to 700 nm in a material is disclosed. The method comprises directing through a solution of the material with light-scattering means suspended therein a beam of light having a wavelength in the range of 350 to 700 nm at which the material absorbs light, and measuring the scattered intensity of the light leaving the solution at a given angle.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: August 18, 1987
    Assignee: Abbott Laboratories
    Inventors: John G. Pumphrey, Robert E. Shanks