Patents by Inventor Richard T. Dean

Richard T. Dean 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: 7238340
    Abstract: Therapeutically active thiazole derivatives of formula (I) wherein R1-R2, X and X? as are defined in the specification, processes for the preparation thereof, the use thereof in therapy, particularly in the treatment or prophylaxis of disorders characterised by overexpression of transforming growth factor • (TGF-•), and pharmaceutical compositions for use in such therapy.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: July 3, 2007
    Assignee: CIS bio international
    Inventors: William McBride, Richard T. Dean
  • Patent number: 6797255
    Abstract: Substantially nontoxic manganese complexes of compounds of the formula: wherein n=0, 1 or 2, R1 and R2 are hydrogen or alkyl groups of 1 to 4 carbon atoms, and R3 and R4 are hydrogen, alkyl groups of 1 to 4 carbon atoms or halogen, are useful for enhancing magnetic resonance images of body organs and tissues. Illustrative manganese complexes of such compounds include dihydrogen bis(N-[N′-(2,6-Diisopropylphenyl)-carbamoylmethyl-]iminodiaceto)manganese(II) monohydrate, dihydrogen bis[N-[N′-(2,6-dimethylphenyl)-carbamoylmethyl]iminodiaceto)-manganese(II) trihydrate, and dihydrogen bis(N-[N′-(2,6-dimethylpheny)carbamoylmethyl]iminodiaceto) manganese(II) dihydrate.
    Type: Grant
    Filed: October 17, 1991
    Date of Patent: September 28, 2004
    Assignee: Mallinckrodt Inc.
    Inventors: Richard T. Dean, George Brooke Hoey
  • Patent number: 6667389
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via (Tc-99m) binding moieties. In particular, the peptide reagents of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the specific-binding peptides, and the Tc-99m binding moieties are covalently linked to a plurality of the specific-binding peptides, the polyvalent linker moiety, or to both the specific-binding peptides and the polyvalent linker moiety.
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: December 23, 2003
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 6509001
    Abstract: This invention relates to calcitonin receptor binding reagents Comprising Compounds which are Covalently linked to a radiometal chelator. The invention is embodied as calcitonin receptor binding peptide derivatives and analogues of calcitonin which may be radiolabeled with a suitable isotope and used as radiodiagnostic or radiotherapeutic agents. Methods and kits for making, radiolabeling and using such reagents diagnostically and therapeutically in a mammalian body are also provided.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: January 21, 2003
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Larry R. Bush, Daniel A. Pearson, John Lister-James
  • Patent number: 6479032
    Abstract: This invention relates to calcitonin receptor binding reagents comprising compounds which are covalently linked to a radiometal chelator. The invention is embodied as calcitonin receptor binding peptide derivatives and analogues of calcitonin which may be radiolabeled with a suitable isotope and used as radiodiagnostic or radiotherapeutic agents. Methods and kits for making, radiolabeling and using such reagents diagnostically and therapeutically in a mammalian body are also provided.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: November 12, 2002
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Larry R. Bush, Daniel A. Pearson, John Lister-James
  • Patent number: 6358491
    Abstract: The invention provides novel peptide-based pharmacophores and compounds which bind somatostatin receptors with high affinity and which exhibit improved pharmacokinetic properties over known somatostatin analogs. The pharmacophores and compounds of the invention may be used in labeled or unlabeled form for diagnosing and/or treating somatostatin responsive diseases. The invention also provides radiopharmaceuticals and kits comprising these compounds, as well as methods for diagnosing and/or treating somatostatin receptor mediated diseases.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: March 19, 2002
    Assignee: Berlex Laboratories, Inc.
    Inventors: John Lister-James, Richard T. Dean, Daniel A. Pearson, David M. Wilson
  • Patent number: 6248304
    Abstract: This invention provides scintigraphic imaging agents and reagents for preparing said agents, methods for radiolabeling said reagents and kits containing non-radioactive reagents and other components for the convenient preparation of the scintigraphic imaging agents. More specifically, the invention provides scintigraphic imaging agents that are radiolabeled compounds which bind with high affinity to GPIIb/IIIa receptors on activated platelets and using such radiolabeled compounds derivatives to image sites in a mammalian body.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: June 19, 2001
    Assignee: Berlex Laboratories, Inc.
    Inventors: John Lister-James, Richard T. Dean
  • Patent number: 6241965
    Abstract: This invention relates to therapeutic reagents and peptides, radiodiagnostic reagents and peptides, and methods for producing labelled radiodiagnostic agents. Specifically, the invention relates to linear peptide derivatives and analogs of somatostatin, and embodiments of such peptides radiolabelled with a radioisotope, as well as methods and kits for making, radiolabelling and using such peptides for radiodiagnostic and radiotherapeutic purposes. The invention specifically relates to linear peptide derivatives and analogues of somatostatin radiolabelled with technetium-99m and uses thereof as scintigraphic imaging agents. The invention also specicically relates to linear peptide derivatives and analogues of somatostatin radiolabelled with cytotoxic radioisotopes such as rhenium-186 (186Re) and rhenium-188 (188Re) for use as radiotherapeutic agents. Methods and kits for making, radiolabelling and using such peptides diagnostically and therapeutically in a mammalian body are also provided.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: June 5, 2001
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, William McBride
  • Patent number: 6214316
    Abstract: This invention relates to therapeutic reagents and peptides, including radiotherapeutic reagents and peptides, radiodiagnostic reagents and peptides, and methods for producing labeled radiodiagnostic agents. Specifically, the invention relates to cyclic peptide derivatives and analogs of somatostatin, and embodiments of such peptides radiolabeled with a radioisotope, as well as methods and kits for making, radiolabeling and using such peptides for radiodiagnostic and radiotherapeutic purposes. The invention specifically relates to cyclic peptide derivatives and analogues of somatostatin radiolabeled with technetium-99m and uses thereof as scintigraphic imaging agents. The invention also specifically relates to cyclic peptide derivatives and analogues of somatostatin radiolabeled with cytotoxic radioisotopes such as rhenium-186 (186Re) and rhenium-188 (188Re) for use as radiotherapeutic agents.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: April 10, 2001
    Assignee: Diatide, Inc.
    Inventor: Richard T. Dean
  • Patent number: 6183722
    Abstract: This invention relates to therapeutic reagents and peptides, including radiotherapeutic reagents and peptides, radiodiagnostic reagents and peptides, and methods for producing labeled radiodiagnostic agents. Specifically, the invention relates to cyclic peptide derivatives and analogs of somatostatin, and embodiments of such peptides radiolabeled with a radioisotope, as well as methods and kits for making, radiolabeling and using such peptides for radiodiagnostic and radiotherapeutic purposes. The invention specifically relates to cyclic peptide derivatives and analogues of somatostatin radiolabeled with technetium-99m and uses thereof as scintigraphic imaging agents. The invention also specifically relates to cyclic peptide derivatives and analogues of somatostatin radiolabeled with cytotoxic radioisotopes such as rhenium-186 (186Re) and rhenium-188 (188Re) for use as radiotherapeutic agents.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: February 6, 2001
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 6171578
    Abstract: The invention provides compounds comprising glycoprotein IIb/IIIa receptor-binding benzodiazepine derivatives covalently linked to metal ion chelators. The compounds of the invention may be labeled with a radionuclide such as 99mTc and used to image thrombi.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: January 9, 2001
    Assignees: Diatide, Inc., Genentech, Inc.
    Inventors: Richard T. Dean, John Lister-James, Michael C. Venuti, Todd C. Somers
  • Patent number: 6150329
    Abstract: This invention relates to antithrombotic agents and uses thereof. Specifically, the invention relates to chemical moieties that specifically bind to platelets and inhibit their aggregation, including linear and cyclic peptides. The invention provides methods for using these antithrombotic agents to prevent the formation of thrombi at sites in a mammalian body. In particular, the platelet-specific binding moieties including linear and cyclic peptides of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the platelet-specific binding moieties including linear and cyclic peptides. Effficacious antithrombotic agents are thereby provided.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 21, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 6136782
    Abstract: This invention relates to antithrombotic agents and uses thereof. Specifically, the invention relates to chemical moieties that specifically bind to platelets and inhibit their aggregation, including linear and cyclic peptides. The invention provides methods for using these antithrombotic agents to prevent the formation of thrombi at sites in a mammalian body. In particular, the platelet-specific binding moieties including linear and cyclic peptides of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the platelet-specific binding moieties including linear and cyclic peptides. Efficacious antithrombotic agents are thereby provided.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: October 24, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 6113878
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via Tc-99m binding moieties. In particular, the peptide reagents of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the specific-binding peptides, and the Tc-99m binding moieties are covalently linked to a plurality of the specific-binding peptides, the polyvalent linker moiety, or to both the specific-binding peptides and the polyvalent linker moiety.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 5, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 6107459
    Abstract: This invention relates to reagents, radiolabeled reagents and methods for producing such reagents and radiolabeled reagents. Specifically, the invention relates to technetium-99m (Tc-99m) labeled peptides that specifically bind to sites of infection, inflammation, thrombosis, atherosclerosis and neoplastic growth in vivo, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: August 22, 2000
    Assignee: Diatide, Inc.
    Inventor: Richard T. Dean
  • Patent number: 6093383
    Abstract: This invention relates to bisamine bisthiol radiolabel binding moieties and synthetic methods therefor. Specifically, the invention provides radiolabel binding moieties that form an electrically neutral complex with technetium-99m.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 25, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Scott Buttram, William McBride, John Lister-James, Edgar R. Civitello
  • Patent number: 6086849
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via a radiolabel-binding moiety which forms a neutral complex with Tc-99m.
    Type: Grant
    Filed: February 9, 1995
    Date of Patent: July 11, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Scott Buttram, William McBride, John Lister-James, Edgar R. Civitello
  • Patent number: 6086850
    Abstract: This invention relates to calcitonin receptor binding reagents comprising compounds which are covalently linked to a radiometal chelator. The invention is embodied as calcitonin receptor binding peptide derivatives and analogues of calcitonin which may be radiolabeled with a suitable isotope and used as radiodiagnostic or radiotherapeutic agents. Methods and kits for making, radiolabeling and using such reagents diagnostically and therapeutically in a mammalian body are also provided.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: July 11, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Larry R. Bush, Daniel A. Pearson, John Lister-James
  • Patent number: 6083480
    Abstract: This invention relates to radiotherapeutic reagents and peptides, radiodiagnostic reagents and peptides, and methods for producing labeled radiodiagnostic and radiotherapeutic agents. Specifically, the invention relates to calcitonin receptor binding compounds, preferably peptides, derivatives and analogues of calcitonin, and embodiments of such compounds radiolabeled with a radioisotope, as well as methods and kits for making, radiolabeling and using such compounds, particularly peptides for radiodiagnostic and radiotherapeutic purposes. The invention specifically relates to calcitonin receptor binding peptide derivatives and analogues of calcitonin radiolabeled with technetium-99m and uses thereof as scintigraphic imaging agents. The invention also specifically relates to calcitonin receptor binding peptide derivatives and analogues of calcitonin radiolabeled with cytotoxic radioisotopes such as rhenium-186 (.sup.186 Re) and rhenium-188 (.sup.188 Re) for use as radiotherapeutic agents.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: July 4, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Larry R. Bush, Daniel A. Pearson, John Lister-James
  • Patent number: 6083481
    Abstract: This invention relates to radiolabeled reagents that are scintigraphic imaging agents for imaging sites of thrombus formation in vivo, and methods for producing such reagents. Specifically, the invention relates to reagents each comprised of a specific binding compound, capable of binding to at least one component of a thrombus, covalently linked to a radiolabel-binding moiety. The invention provides these reagents, methods and kits for making such reagents, and methods for using such reagents labeled with technetium-99m to image thrombus sites in a mammalian body.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: July 4, 2000
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James