Patents by Inventor Lloyd E. Donaldson

Lloyd E. Donaldson 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).

  • Composition and method for producing superovulation in mammals
    Patent number: 5162306
    Abstract: A hormone composition for producing superovulation in mammals. The composition has a particular ratio of follicle stimulating hormone (FSH) and luteinizing hormone (LH) which produces an optimum ovulation response in mammals and promotes out of season breeding and twinning. The composition can be produced from mammal pituitary glands or by recombinant DNA procedures and can be preserved in a phosphate buffered saline solution of thymol.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: November 10, 1992
    Inventor: Lloyd E. Donaldson
  • Composition and method for producing superovulation in cattle
    Patent number: 4780451
    Abstract: A hormone composition for producing superovulation in cattle. The composition has a particular ratio of follicle stimulating hormone (FSH) and luteinizing hormone (LH) which produces an optimum superovulation response in cattle. The composition can be produced from animal pituitary glands or by recombinant DNA procedures.
    Type: Grant
    Filed: January 23, 1987
    Date of Patent: October 25, 1988
    Inventor: Lloyd E. Donaldson