Patents by Inventor Chaim Roifman

Chaim Roifman 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).

  • Publication number: 20100331549
    Abstract: There is described compounds of Formulæ I, II, III, IV and V. The compounds of Formulæ I, II, III, IV and/or V are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
    Type: Application
    Filed: August 26, 2010
    Publication date: December 30, 2010
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
  • Patent number: 7807719
    Abstract: There is described compounds of Formulae I, II, III, IV and V. The compounds of Formulae I, II, III, IV and/or V are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
    Type: Grant
    Filed: September 14, 2004
    Date of Patent: October 5, 2010
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
  • Patent number: 7407989
    Abstract: There is described compounds of Formula I, and salts, solvates and hydrates thereof: wherein: R1, R2 and R3 are each independently selected from OH, C1-6alkyl, OC1-6alkyl, OC(O)C1-6alkyl, C(O)OC1-6alkyl, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), C(O)NHC1-6alkyl, C(O)N(C1-6alkyl)(C1-6alkyl), SH, SC1-6alkyl, NO2, CF3, OCF3 and halogen; and Ar is an aromatic or heteroaromatic group chosen from benzene, naphthalene, quinoline, isoquinoline, indole, pyridine, pyrasine, pyrimidine, imidazole, furan and thiophene, unsubstituted or substituted with 1-4 substituents independently selected from OH, C1-6alkyl, C1-6alkoxy, C1-3alkylenedioxy, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), SH, S—C1-6alkyl, NO2, CF3, OCF3 and halogen. The compounds of Formula I are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: August 5, 2008
    Assignee: The Hospital for Sick Children
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
  • Publication number: 20070292904
    Abstract: Methods and compositions for immune modulation are described. The methods involve modulating an ephrin or Eph receptor which consequently modulates an immune response, in particular a T cell response, modulates immune adhesion cell, modulates chemotaxis and/or migration or modulates apoptosis. The method is useful in treating a variety of conditions, including autoimmune disease, allergy, graft versus host disease, transplant rejection and cancer.
    Type: Application
    Filed: February 8, 2007
    Publication date: December 20, 2007
    Applicant: The Hospital for Sick Children
    Inventors: Chaim Roifman, Andrew Freywald, Nigel Sharfe, Thomas Grunberger, Eyal Grunebaum
  • Publication number: 20070243612
    Abstract: Novel styrylacrylonitrile compounds which are useful in treating a variety of cell proliferative disorders such as cancer are disclosed.
    Type: Application
    Filed: March 22, 2005
    Publication date: October 18, 2007
    Applicant: HSC Research and Development Limited Partnership
    Inventors: Chaim Roifman, Peter Demin, Andrew Freywald, Thomas Grunberger, Olga Rounova, Nigel Sharfe
  • Publication number: 20070218070
    Abstract: Manipulation of the EphB6 receptor and its active Eph partners allow for regulation of T cell responses, including TCR signalling, T cell proliferation, and induction of T cell death. Methods of modulating EphB6 are described as well as various therapeutic applications.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 20, 2007
    Applicant: The Hospital For Sick Children
    Inventors: Chaim Roifman, Andrew Freywald, Nigel Sharfe, Thomas Grunberger, Eyal Grunebaum
  • Publication number: 20070197660
    Abstract: Compounds having the Formula (I) or (III) wherein R1, R2 and R3 are each independently selected from H, OH, C1-6alkyl, C1-6alkoxy, NH2, NH—(C1-6alkyl), N(C1-6alkyl)(C1-6alkyl), SH, S—C1-6alkyl, NO2, CF3, OCF3, and halo; R4 is unsubstituted Ar or Ar substituted with 1-4 substituents independently selected from C1-6alkyl, C1-6alkoxy and halo; X is selected from (CH2CH2O)n and (CH)n, and n=1-4, salts, solvates and hydrates thereof, useful for modulating or inhibiting cell proliferation, are described.
    Type: Application
    Filed: July 30, 2004
    Publication date: August 23, 2007
    Applicant: The Hospital for Sick Children
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Thomas Grunberger, Octavian Cimpean
  • Publication number: 20070185123
    Abstract: There is described compounds of Formula I, and salts, solvates and hydrates thereof: wherein: R1, R2 and R3 are each independently selected from OH, C1-6alkyl, OC1-6alkyl, OC(O)C1-6alkyl, C(O)OC1-6alkyl, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), C(O)NHC1-6alkyl, C(O)N(C1-6alkyl)(C1-6alkyl), SH, SC1-6alkyl, NO2, CF3, OCF3 and halogen; and Ar is an aromatic or heteroaromatic group chosen from benzene, naphthalene, quinoline, isoquinoline, indole, pyridine, pyrasine, pyrimidine, imidazole, furan and thiophene, unsubstituted or substituted with 1-4 substituents independently selected from OH, C1-6alkyl, C1-6alkoxy, C1-3alkylenedioxy, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), SH, S—C1-6alkyl, NO2, CF3, OCF3 and halogen. The compounds of Formula I are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
    Type: Application
    Filed: March 19, 2007
    Publication date: August 9, 2007
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
  • Patent number: 7202383
    Abstract: There is described compounds of Formula I, and salts, solvates and hydrates thereof: wherein: R1, R2 and R3 are each independently selected from OH, C1-6alkyl, OC1-6alkyl, OC(O)C1-6alkyl, C(O)OC1-6alkyl, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), C(O)NHC1-6alkyl, C(O)N(C1-6alkyl)(C1-6alkyl), SH, SC1-6alkyl, NO2, CF3, OCF3 and halogen; and Ar is an aromatic or heteroaromatic group chosen from benzene, naphthalene, quinoline, isoquinoline, indole, pyridine, pyrasine, pyrimidine, imidazole, furan and thiophene, unsubstituted or substituted with 1–4 substituents independently selected from OH, C1-6alkyl, C1-6alkoxy, C1-3alkylenedioxy, NH2, NH—C1-6alkyl, N(C1-6alkyl)(C1-6)(C1-6alkyl), SH, S—C1-6alkyl, NO2, CF3, OCF3 and halogen. The compounds of Formula I are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
    Type: Grant
    Filed: September 14, 2004
    Date of Patent: April 10, 2007
    Assignee: The Hospital For Sick Children
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
  • Publication number: 20060241084
    Abstract: This invention relates to therapeutic organic compounds and inhibition of secretion of vascular endothelial growth factor (VEGF) and its effects, including angiogenesis.
    Type: Application
    Filed: October 10, 2003
    Publication date: October 26, 2006
    Applicant: THE HOSPITAL FOR SICK CHILDREN
    Inventors: Chaim Roifman, Amos Simon, Peter Demin, Olga Rounova
  • Publication number: 20060058554
    Abstract: There is described compounds of Formula I, and salts, solvates and hydrates thereof: wherein: R1, R2 and R3 are each independently selected from OH, C1-6alkyl, OC1-6alkyl, OC(O)C1-6alkyl, C(O)OC1-6alkyl, NH2, NH-C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), C(O)NHC1-6alkyl, C(O)N(C1-6alkyl)(C1-6alkyl), SH, SC1-6alkyl, NO2, CF3, OCF3 and halogen; and Ar is an aromatic or heteroaromatic group chosen from benzene, naphthalene, quinoline, isoquinoline, indole, pyridine, pyrasine, pyrimidine, imidazole, furan and thiophene, unsubstituted or substituted with 1-4 substituents independently selected from OH, C1-6alkyl, C1-6alkoxy, C1-3alkylenedioxy, NH2, NH-C1-6alkyl, N(C1-6alkyl)(C1-6alkyl), SH, S-C1-6alkyl, NO2, CF3, OCF3 and halogen. The compounds of Formula I are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
    Type: Application
    Filed: September 14, 2004
    Publication date: March 16, 2006
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
  • Publication number: 20060058297
    Abstract: There is described compounds of Formulae I, II, III, IV and V. The compounds of Formulae I, II, III, IV and/or V are useful: in therapeutic methods and compositions for modulating cell proliferation, in diagnostic assays and as research tools.
    Type: Application
    Filed: September 14, 2004
    Publication date: March 16, 2006
    Inventors: Chaim Roifman, Peter Demin, Olga Rounova, Tom Grunberger
  • Publication number: 20050085538
    Abstract: The following compounds of formulae (I) and (III) which may be useful in treating a variety of cell proliferative disorders are disclosed: Formula (I), (II), wherein R1, R2 and R3 are each independently selected from H, OH, C1-6alkyl, C1-6alkoxy, NH2, NH—C1-6alkyl, N(C1-6 alkyl), SH, S—C1-6 alkyl, NO2, CF3, OCF3 and halo; R4 is unsubstituted Ar, or Ar substituted with 1-4 substituents, independently selected from C1-6alkyl, C1-6alkoxy and halo; X is selected from (CH2CH2O)n and (CH2)n, and n=1-4.
    Type: Application
    Filed: January 17, 2003
    Publication date: April 21, 2005
    Inventors: Chaim Roifman, Peter Demin, Thomas Grunberger, Olga Rounova, Octavian Cimpean
  • Publication number: 20050014690
    Abstract: The invention relates to the use of organic compounds, styryl acrylonitrile compounds to promote myelopoiesis. These compounds thefore may be used to treat a subject suffering from neutropenia and other conditions which would benefit from increased myelopoieses. Moreover, the compounds may be used to treat hematopoietic cells ex-vivo to promote myelopoiesis and therefore may be used advantageously in bone marrow or peripheral blood stem cell transplant.
    Type: Application
    Filed: October 11, 2002
    Publication date: January 20, 2005
    Inventors: Chaim Roifman, Thomas Grunberger, Nigel Sharfe, Olga Rounova, Demin Peter, Andrew Freywald