Patents by Inventor Kenneth E. Eigenberg

Kenneth E. Eigenberg 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).

  • Coated veterinary implants
    Patent number: 5232708
    Abstract: Solid dosage forms of bioactive materials for parenteral administration such as porcine or bovine somatotropin pellets intended for subcutaneous implantation to improve food production of farm animals are coated with polyvinyl alcohol to extend the release characteristics of the material. The polyvinyl alcohol preferably has a molecular weight of from about 20,000 to 100,000, a degree of hydrolysis of at least about 98%, and is applied from an aqueous solution by spray coating to form a continuous uniform covering of from about 3 to 25 ug PVA/mm.sup.2 surface area of pellet.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: August 3, 1993
    Assignee: Monsanto Company
    Inventors: Ernesto J. Castillo, Kenneth E. Eigenberg, Kanaiyalal R. Patel, Milton J. Sabacky
  • Coated veterinary implants
    Patent number: 5156851
    Abstract: Solid dosage forms of bioactive materials for parenteral administration such as porcine or bovine somatotropin pellets intended for subcutaneous implantation to improve food production of farm animals are coated with polyvinyl alcohol to extend the release characteristics of the material. The polyvinyl alcohol preferably has a molecular weight of from about 20,000 to 100,000, a degree of hydrolysis of at least about 98%, and is applied from an aqueous solution by spray coating to form a continuous uniform covering having a weight of from about 3 to 25 ug/mm.sup.2.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: October 20, 1992
    Assignee: Monsanto Company
    Inventors: Ernesto J. Castillo, Kenneth E. Eigenberg, Kanaiyalal R. Patel, Milton J. Sabacky
  • Coated veterinary implants
    Patent number: 5091185
    Abstract: Solid dosage forms of bioactive materials for parenteral administration such as porcine or bovine somatotropin pellets intended for subcutaneous implantation to improve food production of farm animals are coated with polyvinyl alcohol to extend the release characteristics of the material. The polyvinyl alcohol preferably has a molecular weight of from about 20,000 to 100,000, a degree of hydrolysis of at least about 98%, and is applied from an aqueous solution by spray coating to form a continuous uniform covering 3 to 25 .mu.m PVA/mm.sup.2.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: February 25, 1992
    Assignee: Monsanto Company
    Inventors: Ernesto J. Castillo, Kenneth E. Eigenberg, Kanaiyalal R. Patel, Milton J. Sabacky
  • Somatotropin prolonged release
    Patent number: 4863736
    Abstract: Provided is a shaped article adapted for parenteral implantation, to obtain prolonged administration of a somatotropin to an animal comprising an effective dose of a solid somatotropin, which is essentially binder-free, essentially matrix-free and has at least one uncoated release surface.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: September 5, 1989
    Assignee: Monsanto Company
    Inventors: Michael J. Azain, Kenneth E. Eigenberg, Thomas R. Kasser, M. Jerome Sabacky