Patents by Inventor Joseph M. Backer

Joseph M. Backer 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: 7807778
    Abstract: The present invention is directed to a biological conjugate, comprising: (a) a targeting moiety comprising a polypeptide having an amino acid sequence comprising the polypeptide sequence of SEQ ID NO:2 and the polypeptide sequence of a selected targeting protein; and (b) a binding moiety bound to the targeting moiety; the biological conjugate having a covalent bond between the thiol group of SEQ ID NO:2 and a functional group in the binding moiety. The present invention is directed to a biological conjugate, comprising: (a) a targeting moiety comprising a polypeptide having an amino acid sequence comprising the polypeptide sequence of SEQ ID NO:2 and the polypeptide sequence of a selected targeting protein; and (b) a binding moiety that comprises an adapter protein, the adapter protein having a thiol group; the biological conjugate having a disulfide bond between the thiol group of SEQ ID NO:2 and the thiol group of the adapter protein.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: October 5, 2010
    Assignee: SibTech, Inc.
    Inventors: Marina V. Backer, Joseph M. Backer
  • Publication number: 20100104550
    Abstract: Cleavage of BIP (Immunoglobulin binding protein) by subtilase toxin and its application to inhibiting growth of or killing of cells. This has application to treatment of cancers and to conformational diseases and in particular to conformational diseases involving BiP that are influenced by cleavage by the subtilase cytotoxin. The invention also relates to subtilase toxin molecules specifically targeting proliferating cells, in particular tumor cells, or cells expressing a vascular endothelial growth factor receptor.
    Type: Application
    Filed: August 3, 2007
    Publication date: April 29, 2010
    Applicants: ADELAIDE RESEARCH AND INNOVATION, SIBTECH, INC.
    Inventors: Adrienne Webster Paton, James Cleland Paton, Marina V. Backer, Joseph M. Backer
  • Patent number: 7700557
    Abstract: The present invention is directed to an isolated polypeptide including: (1) the A subunit of Shiga-like bacterial toxin, wherein said subunit has the nucleic acid sequence of SEQ ID NO:9; and (2) human vascular endothelial growth factor wherein the growth factor has the nucleic acid sequence of SEQ ID NO:10; wherein the isolated polypeptide possesses ribosome inactivating activity. The present invention is also directed to compositions for inhibiting endothelial cell growth in a patient.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: April 20, 2010
    Assignee: SibTech, Inc.
    Inventors: Marina V. Backer, Joseph M. Backer
  • Publication number: 20090023649
    Abstract: The present invention is directed to an isolated polypeptide including: (1) the A subunit of Shiga-like bacterial toxin, wherein said subunit has the nucleic acid sequence of SEQ ID NO:9; and (2) human vascular endothelial growth factor wherein the growth factor has the nucleic acid sequence of SEQ ID NO:10; wherein the isolated polypeptide possesses ribosome inactivating activity. The present invention is also directed to compositions for inhibiting endothelial cell growth in a patient.
    Type: Application
    Filed: August 14, 2007
    Publication date: January 22, 2009
    Inventors: Marina V. Backer, Joseph M. Backer
  • Publication number: 20080312410
    Abstract: The present invention is directed to a biological conjugate, comprising: (a) a targeting moiety comprising a polypeptide having an amino acid sequence comprising the polypeptide sequence of SEQ ID NO:2 and the polypeptide sequence of a selected targeting protein; and (b) a binding moiety bound to the targeting moiety; the biological conjugate having a covalent bond between the thiol group of SEQ ID NO:2 and a functional group in the binding moiety. The present invention is directed to a biological conjugate, comprising: (a) a targeting moiety comprising a polypeptide having an amino acid sequence comprising the polypeptide sequence of SEQ ID NO:2 and the polypeptide sequence of a selected targeting protein; and (b) a binding moiety that comprises an adapter protein, the adapter protein having a thiol group; the biological conjugate having a disulfide bond between the thiol group of SEQ ID NO:2 and the thiol group of the adapter protein.
    Type: Application
    Filed: March 14, 2008
    Publication date: December 18, 2008
    Inventors: Marina V. Backer, Joseph M. Backer
  • Patent number: 7355019
    Abstract: The present invention is directed to a biological conjugate, comprising: (a) a targeting moiety comprising a polypeptide having an amino acid sequence comprising the polypeptide sequence of SEQ ID NO:2 and the polypeptide sequence of a selected targeting protein; and (b) a binding moiety bound to the targeting moiety; the biological conjugate having a covalent bond between the thiol group of SEQ ID NO:2 and a functional group in the binding moiety. The present invention is directed to a biological conjugate, comprising: (a) a targeting moiety comprising a polypeptide having an amino acid sequence comprising the polypeptide sequence of SEQ ID NO:2 and the polypeptide sequence of a selected targeting protein; and (b) a binding moiety that comprises an adapter protein, the adapter protein having a thiol group; the biological conjugate having a disulfide bond between the thiol group of SEQ ID NO:2 and the thiol group of the adapter protein.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: April 8, 2008
    Assignee: SibTech, Inc.
    Inventors: Marina V. Backer, Joseph M. Backer
  • Patent number: 7267973
    Abstract: The present invention is directed to an isolated nucleic acid encoding a fusion protein comprising (1) the A subunit of Shiga-like bacterial toxin, or a truncated or mutated version thereof; and (2) human vascular endothelial growth factor, or a truncated or mutated version thereof; wherein the fusion protein possesses ribosome inactivating activity and ability to bind to cellular VEGF receptors. The present invention is also directed to polypeptides the above combination of toxin and growth factor, as well as expression vectors and transformed cells incorporating the above nucleic acid. The invention is also directed to pharmaceutical compositions and methods for treating patients suffering from diseases relating to angiogenesis.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: September 11, 2007
    Assignee: SibTech, Inc.
    Inventors: Marina V. Backer, Joseph M. Backer
  • Publication number: 20040166565
    Abstract: The present invention is directed to an isolated nucleic acid encoding a fusion protein comprising (1) the A subunit of Shiga-like bacterial toxin, or a truncated or mutated version thereof; and (2) human vascular endothelial growth factor, or a truncated or mutated version thereof; wherein the fusion protein possesses ribosome inactivating activity and ability to bind to cellular VEGF receptors. The present invention is also directed to polypeptides the above combination of toxin and growth factor, as well as expression vectors and transformed cells incorporating the above nucleic acid. The invention is also directed to pharmaceutical compositions and methods for treating patients suffering from diseases relating to angiogenesis.
    Type: Application
    Filed: January 27, 2004
    Publication date: August 26, 2004
    Inventors: Marina V. Backer, Joseph M. Backer
  • Publication number: 20030059461
    Abstract: The present invention is directed to a molecular delivery vehicle for delivery of compounds to a target, comprising: (a) a carrier for carrying the compounds; (b) an adapter covalently linked to the carrier; and (c) a targeting protein comprising a recognition portion and a targeting portion, the recognition portion capable of binding to the adapter, the targeting portion capable of binding to the target. The present invention is also directed to pharmaceutical compositions including the above molecular delivery vehicle, and methods of delivering therapeutic, diagnostic, or research compounds to selected targets using the molecular delivery vehicle.
    Type: Application
    Filed: June 1, 2001
    Publication date: March 27, 2003
    Applicant: SibTech, Inc.
    Inventors: Marina V. Backer, Joseph M. Backer
  • Publication number: 20010031485
    Abstract: The present invention is directed to an isolated nucleic acid encoding a fusion protein comprising (1) the A subunit of Shiga-like bacterial toxin, or a truncated or mutated version thereof; and (2) human vascular endothelial growth factor, or a truncated or mutated version thereof; wherein the fusion protein possesses ribosome inactivating activity and ability to bind to cellular VEGF receptors. The present invention is also directed to polypeptides the above combination of toxin and growth factor, as well as expression vectors and transformed cells incorporating the above nucleic acid. The invention is also directed to pharmaceutical compositions and methods for treating patients suffering from diseases relating to angiogenesis.
    Type: Application
    Filed: March 1, 2001
    Publication date: October 18, 2001
    Applicant: SibTech, Inc.
    Inventors: Marina V. Backer, Joseph M. Backer
  • Patent number: 5856315
    Abstract: The invention relates to a method for inhibiting angiogenesis and proliferation of endothelial cells by administering an inhibitory amount of 7-?substituted amino!-9-?(substituted glycyl)amido!-6-demethyl-6-deoxytetracycline of Formula I: ##STR1## wherein R, R.sub.2, R.sub.3, and W are as defined in the specification. The invention also relates to a method for inhibiting proliferation of tumor cells and tumor growth by administering an inhibitory amount of a compound of Formula I in combination with a chemotherapeutic agent or radiation therapy. The invention also relates to compositions containing an effective inhibitory amount of a compound of Formula I in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: January 5, 1999
    Assignee: American Cyanamid Company
    Inventors: Joseph M. Backer, Peter Bohlen
  • Patent number: 5843925
    Abstract: The invention relates to a method for inhibiting angiogenesis and proliferation of endothelial cells by administering an inhibitory amount of a 7-?substituted amino!-9-?(substituted glycyl)amido!-6-demethyl-6-deoxytetracycline of Formula I: ##STR1## wherein R, R.sub.2, R.sub.3, and W are as defined in the specification. The invention also relates to a method for inhibiting proliferation of tumor cells and tumor growth by administering an inhibitory amount of a compound of Formula I in combination with a chemotherapeutic agent or radiation therapy. The invention also relates to compositions containing an effective inhibitory amount of a compound of Formula I in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: December 1, 1998
    Assignee: American Cyanamid Company
    Inventors: Joseph M. Backer, Peter Bohlen
  • Patent number: 5574026
    Abstract: The invention relates to a method for inhibiting angiogenesis and proliferation of endothelial cells by administering an inhibitory amount of a 7-halogen-9-[hydrogen or [(substituted glycyl)amido]]-6-demethyl-6-deoxytetracycline of Formula I: ##STR1## wherein X and W are as defined in the specification. The invention also relates to a method for inhibiting proliferation of tumor cells and tumor growth by administering an inhibitory amount of a compound of Formula I in combination with a chemotherapeutic agent or radiation therapy. The invention also relates to compositions containing an effective inhibitory amount of a compound of Formula I in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: November 12, 1996
    Assignee: American Cyanamid Company
    Inventors: Joseph M. Backer, Peter Bohlen, Phaik-Eng Sum
  • Patent number: 5567693
    Abstract: The invention relates to a method for inhibiting angiogenesis and proliferation of endothelial cells by administering an inhibitory amount of a 7-(hydrogen or di (C.sub.1 -C.sub.4)alkylamino)-8-halogen-9-(substituted)-6-demethyl-6-deoxytetracycl ine of Formula I: ##STR1## wherein R, X and W are as defined in the specification. The invention also relates to a method for inhibiting proliferation of tumor cells and tumor growth by administering an inhibitory amount of a compound of Formula I in combination with a chemotherapeutic agent or radiation therapy. The invention also relates to compositions containing an effective inhibitory amount of a compound of Formula I in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: October 22, 1996
    Assignee: American Cyanamid Company
    Inventors: Joseph M. Backer, Peter Bohlen, Phaik-Eng Sum
  • Patent number: 5563130
    Abstract: The invention relates to a method for inhibiting angiogenesis and proliferation of endothelial cells by administering an inhibitory amount of a 9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracycline of Formula I: ##STR1## wherein W, R.sub.2 and R.sub.3 are as defined in the specification. The invention also relates to a method for inhibiting proliferation of tumor cells and tumor growth by administering an inhibitory amount of a compound of Formula I in combination with a chemotherapeutic agent or radiation therapy. The invention also relates to compositions containing an effective inhibitory amount of a compound of Formula I in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: October 8, 1996
    Assignee: American Cyanamid Company
    Inventors: Joseph M. Backer, Peter Bohlen
  • Patent number: 5461029
    Abstract: The disclosure relates to a method of inhibiting the infectivity of a virus, the virus being characterized by the presence of a heparin-binding protein, which comprises contacting the cellular receptor for the virus or the receptor-binding protein of the virus with an effective amount of a pharmaceutical composition containing the HBNF protein, the MK protein or a combination thereof in a sufficient amount to inhibit the infectivity of the virus. Also, this disclosure concerns a method of preventing or treating a viral infection in a subject, the virus being characterized by the presence of a heparin-binding protein, which comprises administering to the subject an effective amount of a pharmaceutical composition containing HBNF, MK or a combination thereof in a sufficient amount to prevent or treat the viral infection in the subject. Further, the disclosure describes a new composition comprising a combination of the HBNF and MK proteins.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: October 24, 1995
    Assignee: American Cyanamid Company
    Inventors: Joseph M. Backer, Michael R. Ostrander