Patents by Inventor Stanley C. Bell

Stanley C. Bell 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: 8324190
    Abstract: Methods of treating cancer using compounds according to Formula (I) are disclosed herein, wherein X, X1, X2, Ra, R1, R2, R3, R4, R5, R6, R7, g, M, y, a, b, d, e, V, W, Z and Q are as defined herein.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: December 4, 2012
    Assignees: Temple University—Of The Commonwealth System of Higher Education, Onconova Therapeutics, Inc.
    Inventors: E. Premkumar Reddy, M. V. Ramana Reddy, Stanley C. Bell
  • Patent number: 8273787
    Abstract: Activated cytotoxic compounds are described for attachment to targeting molecules for the treatment of a mammalian disease condition which comprise, an activator, a spacer linker, a linker (e.g., self-immolative), and a cytotoxic drug selected from the group consisting of AMINO-SUBSTITUTED (E)-2,6-DIALKOXYSTYRYL 4-SUBSTITUTED BENZYLSULFONES, AMINO-AND-HYDROXY SUBSTITUTED STYRYLSULFONANILIDES, and SUBSTITUTED PHENOXY- AND PHENYLTHIO-STYRYLSULFONE DERIVATIVES. Activated cytotoxic compound attached to a targeting molecule are described wherein the targeting molecule is selected from the group consisting essentially of an antibody, a receptor, a ligand, a cytokine, a hormone, and a signal transduction molecule. The invention is further directed to a method of treatment of disease conditions.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: September 25, 2012
    Assignee: Onconova Therapeutics, Inc
    Inventors: Stanley C Bell, Glenn Fegley, Stephen Cosenza, Jodie Duke, Reddy E Premkumar, Reddy M. V. Ramana
  • Patent number: 8143453
    Abstract: ?,?-Unsaturated sulfides, sulfones, sulfoxides and sulfonamides according to Formula I: wherein Ar1, Ar2, X, n, * and R are as defined herein, are prepared by dehydration of ?-hydroxy sulfides, sulfones, sulfoxides or sulfonamides.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: March 27, 2012
    Assignees: Temple University—Of The Commonwealth System of Higher Education, Onconova Therapeutics, Inc.
    Inventors: M. V. Ramana Reddy, E. Premkumar Reddy, Stanley C. Bell
  • Patent number: 8063109
    Abstract: Formulations are provided for parenteral administration of (amino substituted (e)-2,6-dialkoxystyryl 4-substituted benzylsulfones and the sodium and potassium salts thereof for the prevention and/or treatment of conditions mediated by abnormal cell proliferation. Composition for parenteral administration are provided which comprise an effective amount of compound of formula I or a compound of formula IIa and at least about 50% by weight of at least one water soluble polymer selected from the group consisting essentially of polyethylene glycol (PEG), poly-oxyethylene, poly-oxyethylene-poly-oxypropylene copolymers, polyglycerol, polyvinylalcohol, polyvinylpyrrolidone (PVP), polyvinylpyridine N-oxide, copolymer of vinylpyridine N-oxide and vinylpyridine.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: November 22, 2011
    Assignee: Onconova Therapeutics, Inc.
    Inventors: Stanley C. Bell, Albert Wong, Manoj Maniar
  • Patent number: 7932242
    Abstract: Substituted phenol derivatives of Formula (I) are useful as antiproliferative agents including, for example, anticancer agents, and as radioprotective and chemoprotective agents.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: April 26, 2011
    Assignees: Temple University - Of The Commonwealth System of Higher Education, Onconova Therapeutics Inc.
    Inventors: E. Premkumar Reddy, M. V. Ramana Reddy, Stanley C. Bell
  • Publication number: 20110028504
    Abstract: A pharmaceutical composition is provided for administration prior to or after exposure to ionizing radiation for reducing toxic effects of the radiation in a subject. An effective amount of the pharmaceutical composition provided comprising an effective amount of at least one radioprotective ?, ? unsaturated aryl sulfone, and at least one component selected from the group consisting of a) at least one water soluble polymer in an amount between about 0.5% and about 90% w/v, b) at least one chemically modified cyclodextrin in an amount between about 20% and about 60% w/v, and c) DMA in an amount between about 10% and about 50% w/v.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 3, 2011
    Applicant: ONCONOVA THERAPEUTICS, INC.
    Inventors: Manoj Maniar, Stanley C. Bell, Janice W. Bell
  • Patent number: 7744889
    Abstract: ??-Unsaturated sulfoxides of Formula I: are useful as antiproliferative agents including, for example, anticancer agents, and as radioprotective and chemoprotective agents.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: June 29, 2010
    Assignee: Temple University - Of The Commonwealth System of Higher Education
    Inventors: E. Premkumar Reddy, M. V. Ramana Reddy, Stanley C. Bell
  • Publication number: 20100152096
    Abstract: Formulations are provided for parenteral administration of (amino substituted (e)-2,6-dialkoxystyryl 4-substituted benzylsulfones and the sodium and potassium salts thereof for the prevention and/or treatment of conditions mediated by abnormal cell proliferation. Composition for parenteral administration are provided which comprise an effective amount of a compound of formula I or a compound of formula IIa and at least about 50% by weight of at least one water soluble polymer selected from the group consisting essentially of polyethylene glycol (PEG), poly-oxyethylene, poly-oxyethylene-poly-oxypropylene copolymers, polyglycerol, polyvinylalcohol, polyvinylpyrrolidone (PVP), polyvinylpyridine N-oxide, copolymer of vinylpyridine N-oxide and vinylpyridine.
    Type: Application
    Filed: January 16, 2008
    Publication date: June 17, 2010
    Inventors: Stanley C. Bell, Manoj Maniar
  • Publication number: 20100022615
    Abstract: Activated cytotoxic compounds are described for attachment to targeting molecules for the treatment of a mammalian disease condition which comprise, an activator, a spacer linker, a linker (e.g., self-immolative), and a cytotoxic drug selected from the group consisting of AMINO-SUBSTITUTED (E)-2,6-DIALKOXYSTYRYL 4-SUBSTITUTED BENZYLSULFONES, AMINO-AND-HYDROXY SUBSTITUTED STYRYLSULFONANILIDES, and SUBSTITUTED PHENOXY- AND PHENYLTHIO-STYRYLSULFONE DERIVATIVES. Activated cytotoxic compound attached to a targeting molecule are described wherein the targeting molecule is selected from the group consisting essentially of an antibody, a receptor, a ligand, a cytokine, a hormone, and a signal transduction molecule. The invention is further directed to a method of treatment of disease conditions.
    Type: Application
    Filed: September 14, 2007
    Publication date: January 28, 2010
    Applicant: Onconova Therapeutics, Inc
    Inventors: Glenn Fegley, Stanley C. Bell, Stephen Cosenza, Jodie Duke, Reddy H. Premkumar, Reddy M. V. Ramana
  • Publication number: 20090281066
    Abstract: Methods of treating cancer using compounds according to Formula (I) are disclosed herein, wherein X, X1, X2, Ra, R1, R2, R3, R4, R5, R6, R7, g, M, y, a, b, d, e, V, W, Z and Q are as defined herein.
    Type: Application
    Filed: July 14, 2009
    Publication date: November 12, 2009
    Applicants: Temple University - of The Commonwealth System of Higher Education, Onconova Therapeutics, Inc.
    Inventors: E. Premkumar Reddy, M.V. Ramana Reddy, Stanley C. Bell
  • Patent number: 7598232
    Abstract: Compounds useful as antiproliferative agents, including, for example, anticancer agents, are provided according to formula (I); wherein: X, X1, X2, Ra, R1, R2,R3, R4, R5, R6, R7, g, M, y, a, b, d, e, V, W, Z and Q are as defined herein.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: October 6, 2009
    Assignees: Temple University - Of the Commonwealth System of Higher Education, Onconova Therapeutics, Inc.
    Inventors: E. Premkumar Reddy, M. V. Ramana Reddy, Stanley C. Bell
  • Publication number: 20090247624
    Abstract: Solution and suspension formulations are provided for administration prior to or after exposure to ionizing radiation for reducing toxic effects of the radiation in a subject which comprises an effective amount of at least one radioprotective ?,? unsaturated aryl sulfone wherein the composition has a pH within the range of about 8 to about 9.
    Type: Application
    Filed: July 27, 2007
    Publication date: October 1, 2009
    Applicant: Onconova Therapeutics Inc.
    Inventors: Stanley C. Bell, Manoj Maniar
  • Publication number: 20090124828
    Abstract: ?,?-Unsaturated sulfides, sulfones, sulfoxides and sulfonamides according to Formula I: wherein Ar1, Ar2, X, n, * and R are as defined herein, are prepared by dehydration of ?-hydroxy sulfides, sulfones, sulfoxides or sulfonamides.
    Type: Application
    Filed: February 24, 2006
    Publication date: May 14, 2009
    Applicants: TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION, ONCONOVA THERAPEUTICS INC.
    Inventors: M.V. Ramana Reddy, E. Premkumer Reddy, Stanley C. Bell
  • Publication number: 20090036462
    Abstract: Formulations are provided for parenteral administration of (amino substituted (e)-2,6-dialkoxystyryl 4-substituted benzylsulfones and the sodium and potassium salts thereof for the prevention and/or treatment of conditions mediated by abnormal cell proliferation. Composition for parenteral administration are provided which comprise an effective amount of compound of formula I or a compound of formula IIa and at least about 50% by weight of at least one water soluble polymer selected from the group consisting essentially of polyethylene glycol (PEG), poly-oxyethylene, poly-oxyethylene-poly-oxypropylene copolymers, polyglycerol, polyvinylalcohol, polyvinylpyrrolidone (PVP), polyvinylpyridine N-oxide, copolymer of vinylpyridine N-oxide and vinylpyridine.
    Type: Application
    Filed: July 15, 2005
    Publication date: February 5, 2009
    Applicant: Onconova Therapeutics, Inc.
    Inventors: Stanley C. Bell, Albert Wong, Manoj Maniar
  • Publication number: 20080058290
    Abstract: Substituted phenol derivatives of Formula (I) are useful as antiproliferative agents including, for example, anticancer agents, and as radioprotective and chemoprotective agents.
    Type: Application
    Filed: March 15, 2005
    Publication date: March 6, 2008
    Applicants: TEMPLE UNIVERSITY - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION, ONCONOVA THERAPEUTICS INC.
    Inventors: E. Premkumar Reddy, M. V. Ramana Reddy, Stanley C. Bell
  • Patent number: 7161031
    Abstract: Compounds useful as antiproliferative agents, including, for example, anticancer agents, are provided according to formula I: wherein: Ar, X, X1, g, R and R3 are as defined herein.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: January 9, 2007
    Assignees: Temple University - Of The Commonwealth System of Higher Education, Onconova Therapeutics, Inc.
    Inventors: E. Premkumar Reddy, M.V. Ramana Reddy, Stanley C. Bell
  • Patent number: 7094903
    Abstract: Provided are compounds, processes and synthetic intermediates useful for the preparation of compounds of the formula I and IX wherein R1 is selected from the group consisting of hydrogen, trihalomethyl, C1–C6 alkyl and substituted or unsubstituted phenyl; Y is a group of the formula wherein R2 is selected from the group consisting of C1–C6 alkyl, C1–C6 alkanoylamino and amino; and R5 is selected from the group consisting of hydrogen, amino, halogen, hydroxyl, nitro, C1–C6 alkyl, C1–C6 alkoxy, carboxy, C1–C6 trihaloalkyl, cyano, phosphonato, and hydroxyalkyl; and Z is selected from the group consisting of substituted and unsubstituted aryl. Also provided are certain N-acylated analogs of compounds of the formula I and IX, and processes for their preparation.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: August 22, 2006
    Assignee: Onconova Therapeutics, Inc.
    Inventors: M. V. Ramana Reddy, Stanley C. Bell
  • Patent number: 7026342
    Abstract: Provided is a method of treating or ameliorating a number of indications in an animal, including a human, comprising administering an effective amount of a compound of the formula I or IA, wherein J is oxygen, sulfur, or N—Rd.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: April 11, 2006
    Assignee: Alteon, Inc.
    Inventors: Dilip Wagle, Martin Gall, Stanley C. Bell, Edmond J. LaVoie
  • Patent number: 6906196
    Abstract: Provided are processes and chemical intermediates useful for preparing a compound of the formula I wherein X is selected from the group consisting of C1-C6 trihalomethyl; C1-C6 alkyl; and an optionally substituted or di-substituted phenyl group of formula II: Y and Z are independently selected from the group consisting of substituted and unsubstiotuted aryl
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: June 14, 2005
    Assignee: Onconova Therapeutics, Inc.
    Inventors: M. V. Ramana Reddy, Stanley C. Bell
  • Patent number: 6809204
    Abstract: Provided are compounds, processes and synthetic intermediates useful for the preparation of compounds of the formula I and IX wherein R1 is selected from the group consisting of hydrogen, trihalomethyl, C1-C6 alkyl and substituted or unsubstituted phenyl; Y is a group of the formula wherein R2 is selected from the group consisting of C1-C6 alkyl, C1-C6 alkanoylamino and amino; and R5 is selected from the group consisting of hydrogen, amino, halogen, hydroxyl, nitro, C1-C6 alkyl, C1-C6 alkoxy, carboxy, C1-C6 trihaloalkyl, cyano, phosphonato, and hydroxyalkyl; and Z is selected from the group consisting of substituted and unsubstituted aryl. Also provided are certain N-acylated analogs of compounds of the formula I and IX, and processes for their preparation.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: October 26, 2004
    Assignee: Onconova Therapeutics, Inc.
    Inventors: M. V. Ramana Reddy, Stanley C. Bell