Patents by Inventor Phalguni Ghosh

Phalguni Ghosh 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).

  • Vanadium (IV) metallocene complexes having spermicidal activity
    Publication number: 20050192266
    Abstract: Novel spermicidal compounds which are organometallic cyclopentadienyl metal complexes, particularly vanadium IV complexes, are described including corresponding contraceptive and therapeutic compositions and method for providing contraception and selective killing of testicular germ cells. Included among the vanadium complexes are vanadocene dichloride, vanadocene dibromide, bis (methyl cyclopentadienyl) vanadium dichloride, vanadocene diiodide, vanadocene di-pseudohalides, and others. Most active found was vanadocene diselenocyanate.
    Type: Application
    Filed: September 29, 2003
    Publication date: September 1, 2005
    Applicant: Parker Hughes Institute
    Inventors: Osmond D'Cruz, Phalguni Ghosh, Fatih Uckun
  • Vanadium (IV) complexes containing catecholate ligand and having spermicidal activity
    Patent number: 6667339
    Abstract: Vanadium (IV) complexes containing a substituted or unsubstituted catecholate ligand, and the spermicidal activity of such compounds. Preferred compounds are vanadocene (IV) complexes containing alkyl substituted catecholate ligands.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: December 23, 2003
    Assignee: Parker Hughes Institute
    Inventors: Phalguni Ghosh, Faith M. Uckun, Osmond D′Cruz
  • Vanadium (IV) metallocene complexes having spermicidal activity
    Patent number: 6627655
    Abstract: Novel spermicidal compounds which are organometallic cyclopentadienyl metal complexes, particularly vanadium IV complexes, including their corresponding therapeutic compositions are described.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: September 30, 2003
    Assignee: Parker Hughes Institute
    Inventors: Osmond D'Cruz, Phalguni Ghosh, Fatih M. Uckun
  • Vanadium (IV) metallocene complexes having spermicidal activity
    Publication number: 20030018068
    Abstract: Novel spermicidal compounds which are organometallic cyclopentadienyl metal complexes, particularly vanadium IV complexes, are described including corresponding contraceptive and therapeutic compositions and method for providing contraception and selective killing of testicular germ cells. Included among the vanadium complexes are vanadocene dichloride, vanadocene dibromide, bis (methyl cyclopentadienyl) vanadium dichloride, vanadocene diiodide, vanadocene di-pseudohalides, and others. Most active found was vanadocene diselenocyanate.
    Type: Application
    Filed: August 15, 2002
    Publication date: January 23, 2003
    Applicant: Parker Hughes Institute
    Inventors: Osmond D'Cruz, Phalguni Ghosh, Fatih M. Uckun
  • Vanadium (IV) complexes containing catecholate ligand and having spermicidal activity
    Publication number: 20030013698
    Abstract: Vanadium (IV) complexes containing a substituted or unsubstituted catecholate ligand, and the spermicidal activity of such compounds. Preferred compounds are vanadocene (IV) complexes containing alkyl substituted catecholate ligands.
    Type: Application
    Filed: July 23, 2002
    Publication date: January 16, 2003
    Applicant: Parker Hughes Institute
    Inventors: Phalguni Ghosh, Fatih M. Uckun, Osmond D'Cruz
  • Vanadium (IV) metallocene complexes having spermicidal activity
    Patent number: 6500860
    Abstract: Novel spermicidal compounds which are organometallic cyclopentadienyl metal complexes, particularly vanadium IV complexes, are described including corresponding contraceptive and therapeutic compositions and method for providing contraception and selective killing of testicular germ cells. Included among the vanadium complexes are bis(methyl cyclopentadienyl)vanadium dichloride, vanadocene di-pseudohalides, and others. Most active found was vanadocene diselenocyanate.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: December 31, 2002
    Assignee: Parker Hughes Institute
    Inventors: Osmond D'Cruz, Phalguni Ghosh, Fatih M. Uckun
  • Vanadium (IV) complexes containing catecholate ligand and having spermicidal activity
    Patent number: 6465450
    Abstract: Vanadium (IV) complexes containing a substituted or unsubstituted catecholate ligand, and the spermicidal activity of such compounds. Preferred compounds are vanadocene (IV) complexes containing alkyl substituted catecholate ligands.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: October 15, 2002
    Assignee: Parker Hughes Institute
    Inventors: Phalguni Ghosh, Fatih M. Uckun, Osmond D'Cruz
  • VANADIUM (IV) METALLOCENE COMPLEXES HAVING SPERMICIDAL ACTIVITY
    Publication number: 20020099087
    Abstract: Novel spermicidal compounds which are organometallic cyclopentadienyl metal complexes, particularly vanadium IV complexes, are described including corresponding contraceptive and therapeutic compositions and method for providing contraception and selective killing of testicular germ cells. Included among the vanadium complexes are vanadocene dichloride, vanadocene dibromide, bis (methyl cyclopentadienyl) vanadium dichloride, vanadocene diiodide, vanadocene di-pseudohalides, and others. Most active found was vanadocene diselenocyanate.
    Type: Application
    Filed: December 8, 1999
    Publication date: July 25, 2002
    Inventors: OSMOND D'CRUZ, PHALGUNI GHOSH, FATIH M. UCKUN
  • Vanadium (IV) complexes containing catecholate ligand and having spermicidal activity
    Publication number: 20020049189
    Abstract: Vanadium (IV) complexes containing a substituted or unsubstituted catecholate ligand, and the spermicidal activity of such compounds. Preferred compounds are vanadocene (IV) complexes containing alkyl substituted catecholate ligands.
    Type: Application
    Filed: September 19, 2001
    Publication date: April 25, 2002
    Applicant: Parker Hughes Institute
    Inventors: Phalguni Ghosh, Fatih Uckun, Osmond D'Cruz
  • Vanadium (IV) metallocene complexes having spermicidal activity
    Patent number: 6319947
    Abstract: Novel spermicidal compounds which are organometallic cyclopentadienyl metal complexes, particularly vanadium IV complexes, are described including corresponding contraceptive and therapeutic compositions and method for providing contraception and selective killing of testicular germ cells. Included among the vanadium complexes are vanadocene dichloride, vanadocene dibromide, bis (methyl cyclopentadienyl) vanadium dichloride, vanadocene diiodide, vanadocene di-pseudobalides, and others. Most active found was vanadocene diselenocyanate.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: November 20, 2001
    Assignee: Parker Hughes Institute
    Inventors: Osmond D'Cruz, Phalguni Ghosh, Fatih M. Uckun
  • Vanadium (IV) metallocene complexes having sperm motility inhibiting activity
    Patent number: 6051603
    Abstract: Novel spermicidal compounds which are organometallic cyclopentadienyl metal complexes, particularly vanadium IV complexes, are described including corresponding contraceptive and therapeutic compositions and method for providing contraception and selective killing of testicular germ cells. Included among the vanadium complexes are vanadocene dichloride, vanadocene dibromide, bis (methyl cyclopentadienyl) vanadium dichloride, vanadocene diiodide, vanadocene di-pseudohalides, and others. Most active found was vanadocene diselenocyanate.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: April 18, 2000
    Assignee: Wayne Hughes Institute
    Inventors: Osmond D'Cruz, Phalguni Ghosh, Fatih M. Uckun