Patents Assigned to Stolle Research & Development Corp.
  • Large-scale purification of egg immunoglobulin
    Patent number: 5367054
    Abstract: The present invention relates to methods for the isolation and purification of immunoglobulins or fragments thereof or other biologically active factors from non-immune or immune egg yolk, by extracting the yolk with a composition containing one or more medium-chain fatty acids. The present methods provide egg immunoglobulin of high purity and high yield.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: November 22, 1994
    Assignee: Stolle Research & Development Corp.
    Inventor: Young-Zoon Lee
  • Increased protein production in animals
    Patent number: 5128127
    Abstract: The present invention provides a method of increasing the ratio of body protein to fat in a animal by maintaining the animal in a hyperimmune state. The invention also provides a method of increasing carcass protein levels in animals. The invention further provides a method for producing lean, low-fat meat for human or animal consumption.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: July 7, 1992
    Assignee: Stolle Research & Development Corp.
    Inventor: Lee R. Beck
  • Active/passive immunization of the internal female reproductive organs
    Patent number: 4756907
    Abstract: Antibody or antigen containing microparticles for the active or passive immunization of the internal female reproductive organs, comprising: microparticles of an antigen or antibody incorporated in a matrix material which is biocompatible and biologically degradable, said microparticles capable of being transported after deposition in the vagina by the natural transport mechanism of the internal female reproductive organs across the cervix into the uterus.
    Type: Grant
    Filed: January 24, 1986
    Date of Patent: July 12, 1988
    Assignee: Stolle Research & Development Corp.
    Inventors: Lee R. Beck, Charles F. Flowers, Jr., Donald R. Cowsar, Albert C. Tanquary
  • Method of passive immunization of mammals using avian antibody
    Patent number: 4748018
    Abstract: A method of passively immunizing a mammal against a condition caused by an antigen comprising: administering to the mammal immunizing amounts of an antibody obtained from a domesticated fowl which has been immunized against the antigen; the mammal being tolerant to the antibody by virtue of having a history of consumption of antibody containing material derived from the egg of a fowl.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: May 31, 1988
    Assignee: Stolle Research & Development Corp.
    Inventors: Ralph J. Stolle, Lee R. Beck