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).
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Patent number: 6210961Abstract: 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: GrantFiled: August 18, 1997Date of Patent: April 3, 2001Assignee: Syntro CorporationInventors: Mark D. Cochran, Meng-Fu Shih, William P. MacConnell, Richard D. Macdonald
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Patent number: 6121043Abstract: 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: GrantFiled: August 15, 1997Date of Patent: September 19, 2000Assignee: Syntro CorporationInventors: Mark D. Cochran, Meng-Fu Shih, William P. MacConnell, Richard D. Macdonald
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Patent number: 5874279Abstract: 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: GrantFiled: November 3, 1994Date of Patent: February 23, 1999Assignee: Syntro CorporationInventors: Mark D. Cochran, Richard D. Macdonald
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Patent number: 5853733Abstract: 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: GrantFiled: June 13, 1996Date of Patent: December 29, 1998Assignee: Syntro CorporationInventors: Mark D. Cochran, Richard D. Macdonald
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Patent number: 5834305Abstract: 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: GrantFiled: November 4, 1994Date of Patent: November 10, 1998Assignee: Syntro CorporationInventors: Mark D. Cochran, William P. MacConnell, Richard D. MacDonald, David E. Junker
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Patent number: 5830745Abstract: 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: GrantFiled: June 6, 1995Date of Patent: November 3, 1998Assignee: Syntro CorporationInventors: Lisa J. Hock, Mark D. Cochran, Richard D. Macdonald
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Patent number: 5804372Abstract: 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: GrantFiled: July 1, 1996Date of Patent: September 8, 1998Assignee: Syntro CorporationInventors: Mark D. Cochran, Richard D. Macdonald
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Patent number: 5783195Abstract: 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: GrantFiled: February 4, 1994Date of Patent: July 21, 1998Assignee: Syntro CorporationInventors: Mark D. Cochran, Richard D. Macdonald
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Patent number: 5763269Abstract: 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: GrantFiled: February 1, 1995Date of Patent: June 9, 1998Assignee: Syntro CorporationInventors: Mark D. Cochran, Meng-Fu Shih, William P. MacConnell, Richard D. MacDonald
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Patent number: 5599544Abstract: 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: GrantFiled: June 7, 1995Date of Patent: February 4, 1997Assignees: PruTech Research and Development Partnership, Syntro CorporationInventors: Mark D. Cochran, Richard D. Macdonald
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Patent number: 5593873Abstract: 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: GrantFiled: May 23, 1994Date of Patent: January 14, 1997Assignees: Syntro Corporation, PruTech Research and Development PartnershipInventors: Mark D. Cochran, Richard D. Macdonald
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Patent number: 5561063Abstract: 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: GrantFiled: December 9, 1993Date of Patent: October 1, 1996Assignee: Syntro CorporationInventors: Lisa J. Hock, Mark D. Cochran, Richard D. Macdonald
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Patent number: 5506128Abstract: 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: GrantFiled: June 17, 1993Date of Patent: April 9, 1996Assignee: PruTech Research and Development PartnershipInventors: Mark D. Cochran, Christina H. Chiang, Richard D. MacDonald
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Patent number: 5273876Abstract: 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: GrantFiled: October 16, 1990Date of Patent: December 28, 1993Assignee: Syntro CorporationInventors: Lisa J. Hock, Mark D. Cochran, Richard D. Macdonald
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Attenuated herpesviruses and herpesviruses which include foreign DNA encoding an amino acid sequence
Patent number: 5223424Abstract: 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: GrantFiled: July 27, 1988Date of Patent: June 29, 1993Assignee: Prutech Research And DevelopmentInventors: Mark D. Cochran, Christina H. Chiang, Richard D. MacDonald -
Patent number: 4877737Abstract: 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: GrantFiled: September 6, 1985Date of Patent: October 31, 1989Assignee: PruTech Research and Development PartnershipInventors: Meng-Fu Shih, Mark D. Cochran, Richard D. Macdonald