Patents by Inventor Lowell G. Tensmeyer

Lowell G. Tensmeyer 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).

  • Method of killing microorganisms in the inside of a container utilizing a plasma initiated by a focused laser beam and sustained by an electromagnetic field
    Patent number: 4042325
    Abstract: Method of killing microorganisms in the inside of a container which comprises directing an electromagnetic field into such container, inducing a plasma therein by focusing a single-pulsed, high-power laser beam into said field and exposing the inside of such container to said plasma for from about 1.0 millisecond to about 1.0 second by sustaining said plasma with said electromagnetic field.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: August 16, 1977
    Assignee: Eli Lilly and Company
    Inventor: Lowell G. Tensmeyer
  • Method of killing microorganisms in the inside of a container utilizing a laser beam induced plasma
    Patent number: 3955921
    Abstract: Novel method of killing microorganisms in the inside of a container comprising repeatedly sparking a focused, ultra-short-pulsed laser beam in the inside thereof.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: May 11, 1976
    Assignee: Eli Lilly and Company
    Inventor: Lowell G. Tensmeyer
  • Cefamandole derivatives
    Patent number: 3947414
    Abstract: A novel crystalline derivative comprising the sodium salt of cefamandole, 1,4-dioxane, and water is herein defined. This derivative can be used to purify impure amorphous cefamandole sodium by the steps of preparing the crystalline derivative, isolating it from the mixture, and regenerating cefamandole sodium therefrom.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: March 30, 1976
    Assignee: Eli Lilly and Company
    Inventor: Lowell G. Tensmeyer
  • Cefamandole derivatives
    Patent number: 3947415
    Abstract: A novel crystalline derivative comprising the sodium salt of cefamandole and L(-) ethyl lactate is herein defined. This derivative can be used to purify impure amorphous cefamandole sodium by the steps of preparing the crystalline derivative, isolating it from the mixture, and regenerating cefamandole sodium therefrom.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: March 30, 1976
    Assignee: Eli Lilly and Company
    Inventor: Lowell G. Tensmeyer