Patents by Inventor Richard D. Macdonald

Richard D. Macdonald 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: 6210961
    Abstract: The present invention provides a hybrid, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the hybrid, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus and at least one foreign DNA sequence. Also provided is an attenuated, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the attenuated, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus, from which at least a portion of a repeat sequence has been deleted. Also provided are vaccines comprising the viruses of the invention and methods of immunizing animals against various disease.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: April 3, 2001
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, Meng-Fu Shih, William P. MacConnell, Richard D. Macdonald
  • Patent number: 6121043
    Abstract: The present invention provides a hybrid, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the hybrid, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus and at least one foreign DNA sequence. Also provided is an attenuated, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the attenuated, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus, from which at least a portion of a repeat sequence has been deleted. Also provided are vaccines comprising the viruses of the invention and methods of immunizing animals against various disease.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: September 19, 2000
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, Meng-Fu Shih, William P. MacConnell, Richard D. Macdonald
  • Patent number: 5874279
    Abstract: The present invention provides recombinant infectious bovine rhinotracheitis (IBR) viruses useful in vaccines to protect bovines from diseases particular to them, including infectious bovine rhinotracheitis and bovine respiratory disease complex. The present invention further provides methods for distinguishing an animal vaccinated with a vaccine of the present invention from an animal infected with a naturally-occurring IBR virus. The present invention also provides isolated DNA encoding the gpE glycoprotein, the gpG glycoprotein, and US2 genes of an IBR virus. The present invention further provides homology vectors for producing recombinant IBR viruses.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: February 23, 1999
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5853733
    Abstract: The present invention provides a recombinant herpesvirus of turkeys designated S-HVT-050 (ATCC Accession No. VR 2400). A vaccine is provided which comprises an effective immunizing amount of S-HVT-050 and a suitable carrier. A method of immunizing a fowl against disease caused by Marek's disease virus and Newcastle disease virus is also provided which comprises administering to the fowl an effective immunizing dose of the vaccine of the present invention.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: December 29, 1998
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5834305
    Abstract: The present invention provides a hybrid, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the hybrid, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus and at least one foreign DNA sequence. Also provided is an attenuated, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the attenuated, nonprimate herpes-virus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus, from which at least a portion of a repeat sequence has been deleted. Also provided are vaccines comprising the viruses of the invention and methods of immunizing animals against various disease.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: November 10, 1998
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, William P. MacConnell, Richard D. MacDonald, David E. Junker
  • Patent number: 5830745
    Abstract: The present invention provides a virus comprising a DNA sequence essential for replication of a human cytomegalovirus and at least one foreign DNA sequence adapted for expression in a host. The foreign DNA sequence may encode a human immunodeficiency virus anti-sense mRNA sequence or an antigenic polypeptide, e.g., a malarial surface antigen. Also provided are therapeutic compositions and vaccines which comprise the novel viruses of the present invention.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 3, 1998
    Assignee: Syntro Corporation
    Inventors: Lisa J. Hock, Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5804372
    Abstract: The present invention provides recombinant infectious bovine rhinotracheitis (IBR) viruses useful in vaccines to protect bovines from infectious bovine rhinotracheitis and other bovine diseases. The present invention further provides methods for distinguishing an animal vaccinated with the vaccine of the present invention from an animal infected with a naturally-occurring IBR virus. The present invention also provides isolated DNA encoding the gpE glycoprotein of IBR virus and isolated DNA encoding the gpG glycoprotein of IBR virus.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: September 8, 1998
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5783195
    Abstract: The present invention provides a recombinant infectious bovine rhinotracheitis virus designated S-IBR-052 (ATCC Accession No. VR 2443). A vaccine is provided which comprises an effective immunizing amount of S-IBR-052 and a suitable carrier. A method of immunizing an animal against disease caused by infectious bovine rhinotracheitis virus is also provided which comprises administering to the animal an effective immunizing dose of the vaccine. The present invention also provides a method of distinguishing an animal vaccinated with the vaccine of the present invention from an animal infected with a naturally-occurring infectious bovine rhinotracheitis virus.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: July 21, 1998
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5763269
    Abstract: The present invention provides a hybrid, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the hybrid, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus and at least one foreign DNA sequence.Also provided is an attenuated, nonprimate herpesvirus comprising DNA which includes a sequence essential for viral replication of the attenuated, nonprimate herpesvirus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring nonprimate herpesvirus, from which at least a portion of a repeat sequence has been deleted.Also provided are vaccines comprising the viruses of the invention and methods of immunizing animals against various disease.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: June 9, 1998
    Assignee: Syntro Corporation
    Inventors: Mark D. Cochran, Meng-Fu Shih, William P. MacConnell, Richard D. MacDonald
  • Patent number: 5599544
    Abstract: The present invention provides recombinant infectious bovine rhinotracheitis (IBR) viruses useful in vaccines to protect bovines from infectious bovine rhinotracheitis and other bovine diseases. The present invention further provides methods for distinguishing an animal vaccinated with the vaccine of the present invention from an animal infected with a naturally-occurring IBR virus. The present invention also provides isolated DNA encoding the gpE glycoprotein of IBR virus and isolated DNA encoding the gpG glycoprotein of IBR virus.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 4, 1997
    Assignees: PruTech Research and Development Partnership, Syntro Corporation
    Inventors: Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5593873
    Abstract: The present invention provides recombinant infectious bovine rhinotracheitis (IBR) viruses useful in vaccines to protect bovines from infectious bovine rhinotracheitis and other bovine diseases. The present invention further provides methods for distinguishing an animal vaccinated with the vaccine of the present invention from an animal infected with a naturally-occurring IBR virus. The present invention also provides isolated DNA encoding the gpE glycoprotein of IBR virus and isolated DNA encoding the gpG glycoprotein of IBR virus.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: January 14, 1997
    Assignees: Syntro Corporation, PruTech Research and Development Partnership
    Inventors: Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5561063
    Abstract: The present invention provides a virus comprising a DNA sequence essential for replication of a human cytomegalovirus and at least one foreign DNA sequence adapted for expression in a host. The foreign DNA sequence may encode a human immunodeficiency virus anti-sense mRNA sequence or an antigenic polypeptide, e.g., a malarial surface antigen.Also provided are therapeutic compositions and vaccines which comprise the novel viruses of the present invention.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: October 1, 1996
    Assignee: Syntro Corporation
    Inventors: Lisa J. Hock, Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5506128
    Abstract: The present invention provides a recombinant infectious bovine rhinotracheitis virus which is characterized by an insertion of an expressible foreign DNA sequence encoding a polypeptide into the BamHI C fragment of the infectious bovine rhinotracheitis virus genome.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: April 9, 1996
    Assignee: PruTech Research and Development Partnership
    Inventors: Mark D. Cochran, Christina H. Chiang, Richard D. MacDonald
  • Patent number: 5273876
    Abstract: The present invention provides a virus comprising a DNA sequence essential for replication of a human cytomegalovirus and at least one foreign DNA sequence adapted for expression in a host. The foreign DNA sequence may encode a human immunodeficiency virus anti-sense mRNA sequence or an antigenic polypeptide, e.g., a malarial surface antigen.Also provided are therapeutic compositions and vaccines which comprise the novel viruses of the present invention.
    Type: Grant
    Filed: October 16, 1990
    Date of Patent: December 28, 1993
    Assignee: Syntro Corporation
    Inventors: Lisa J. Hock, Mark D. Cochran, Richard D. Macdonald
  • Patent number: 5223424
    Abstract: The present invention provides a recombinant fusion protein comprising an antigenic amino acid sequence fused to at least a portion of the gpX glycoprotein from pseudorabies virus. Such a protein may be formulated into a vaccine and delivered to an animal using a live herpesvirus vector adapted to express the fusion protein.
    Type: Grant
    Filed: July 27, 1988
    Date of Patent: June 29, 1993
    Assignee: Prutech Research And Development
    Inventors: Mark D. Cochran, Christina H. Chiang, Richard D. MacDonald
  • Patent number: 4877737
    Abstract: Attenuated pseudorabies viruses are provided which comprise DNA including a sequence essential for replication of the attenuated virus, at least a portion of which is present in a sequence essential for replication of a naturally-occurring pseudorabies virus, from which at least a portion of a repeat sequence has been deleted. These viruses are useful as vaccines for immunizing animals against pseudorabies virus disease.The invention also provides methods of preparing attenuated pseudorabies viruses.
    Type: Grant
    Filed: September 6, 1985
    Date of Patent: October 31, 1989
    Assignee: PruTech Research and Development Partnership
    Inventors: Meng-Fu Shih, Mark D. Cochran, Richard D. Macdonald