Patents by Inventor Christopher Leigh Schwartzkoff

Christopher Leigh Schwartzkoff 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).

  • Patent number: 6746677
    Abstract: The invention relates to certain stable vaccine compositions comprising a macrocyclic lactone compound, a milbemycin compound, an avermectin compound or mixtures thereof; at least one antigen; a dispersing agent; an adjuvant; a water soluble organic solvent; and saline or water or mixtures thereof. The invention further relates to stable compositions as described above of a macrocyclic lactone compound, a milbemycin compound, an avermectin compound or mixtures thereof, but without an antigen. The invention also relates to a method for preventing or controlling helminthiasis, infection by acarids and arthropod endo-and ectoparasites and bacterial and viral disease in warm-blooded animals by the parenteral administration of compositions of the invention. The invention further relates to a process for the preparation of the invention compositions.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: June 8, 2004
    Assignee: American Cyanamid Company
    Inventors: Ramune Marija Cobb, Christopher Leigh Schwartzkoff
  • Patent number: 6524592
    Abstract: The invention relates to vaccines which are suitable for the prevention of clostridial diseases of sheep (and lambs), providing an effective immunity for up to a year or more following a single injection or dose.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: February 25, 2003
    Assignee: American Home Products Corporation
    Inventors: Richard Buchta, Christopher Leigh Schwartzkoff, Philip Ralph Lehrbach
  • Publication number: 20020102266
    Abstract: The invention relates to certain stable vaccine compositions comprising a macrocyclic lactone compound, a milbemycin compound, an avermectin compound or mixtures thereof; at least one antigen; a dispersing agent; an adjuvant; a water soluble organic solvent; and saline or water or mixtures thereof. The invention further relates to stable compositions as described above of a macrocyclic lactone compound, a milbemycin compound, an avermectin compound or mixtures thereof, but without an antigen. The invention also relates to a method for preventing or controlling helminthiasis, infection by acarids and arthropod endo-and ectoparasites and bacterial and viral disease in warm-blooded animals by the parenteral administration of compositions of the invention. The invention further relates to a process for the preparation of the invention compositions.
    Type: Application
    Filed: October 8, 1999
    Publication date: August 1, 2002
    Inventors: RAMUNE MARIJA COBB, CHRISTOPHER LEIGH SCHWARTZKOFF
  • Publication number: 20020098204
    Abstract: The invention relates to vaccines which are suitable for the prevention of clostridial diseases of sheep (and lambs), providing an effective immunity for up to a year or more following a single injection or dose.
    Type: Application
    Filed: May 23, 2000
    Publication date: July 25, 2002
    Applicant: AMERICAN HOME PRODUCTS CORPORATION
    Inventors: RICHARD BUCHTA, CHRISTOPHER LEIGH SCHWARTZKOFF, PHILIP RALPH LEHRBACH
  • Patent number: 5989566
    Abstract: The invention relates to certain stable vaccine compositions comprising a macrocyclic lactone compound, a milbemycin compound, an avermectin compound or mixtures thereof; at least one antigen; a dispersing agent; an adjuvant; a water soluble organic solvent; and saline or water or mixtures thereof. The invention further relates to stable compositions as described above of a macrocyclic lactone compound, a milbemycin compound, an avermectin compound or mixtures thereof, but without an antigen. The invention also relates to a method for preventing or controlling helminthiasis, infection by acarids and arthropod endo-and ectoparasites and bacterial and viral disease in warm-blooded animals by the parenteral administration of compositions of the invention. The invention further relates to a process for the preparation of the invention compositions.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: November 23, 1999
    Assignee: American Cyanamid Company
    Inventors: Ramune Marija Cobb, Christopher Leigh Schwartzkoff