Patents by Inventor Ronald James Ogilvie

Ronald James Ogilvie 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).

  • Process for the preparation of eletriptan
    Patent number: 7288662
    Abstract: The present invention provides an improved process for the preparation of the anti-migraine drug, (R)-5-(2-benzenesulphonylethyl)-3-N-methylpyrrolidin-2-ylmethyl)-1H-indole (eletriptan), available commercially as the hydrobromide salt, and an intermediate and dimer-free products obtained from such process.
    Type: Grant
    Filed: October 26, 2004
    Date of Patent: October 30, 2007
    Assignee: Pfizer, Inc.
    Inventor: Ronald James Ogilvie
  • Indole derivatives
    Patent number: 7238723
    Abstract: The present invention provides eletriptan hydrobromide monohydrate of the formula (I): together with processes for preparing, uses of, and compositions containing, said monohydrate.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: July 3, 2007
    Assignee: Pfizer Inc.
    Inventors: Christopher Ian Dallman, Ronald James Ogilvie
  • Process
    Patent number: 7164030
    Abstract: The present invention provides an improved process for the preparation of ?-polymorphic eletriptan hydrobromide.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: January 16, 2007
    Assignee: Pfizer Inc.
    Inventors: Patrick Joseph Furlong, Cornelius Joseph Kelly, Ronald James Ogilvie, Vincent Ryan
  • Process
    Patent number: 6927296
    Abstract: The present invention provides an improved process for the preparation of ?-polymorphic eletriptan hydrobromide.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: August 9, 2005
    Assignee: Pfizer Inc.
    Inventors: Patrick Joseph Furlong, Cornelius Joseph Kelly, Ronald James Ogilvie, Vincent Ryan
  • New process
    Publication number: 20030166704
    Abstract: The present invention provides an improved process for the preparation of the anti-migraine drug, (R)-5-(2-benzenesulphonylethyl)-3-N-methylpyrrolidin-2-ylmethyl)-1H-indole (eletriptan), available commercially as the hydrobromide salt, and an intermediate and dimer-free products obtained from such process.
    Type: Application
    Filed: November 13, 2001
    Publication date: September 4, 2003
    Applicant: Pfizer Inc.
    Inventor: Ronald James Ogilvie
  • Salts of an anti-migraine indole derivatives
    Patent number: 6380226
    Abstract: A crystalline, &bgr;-polymorphic form of a compound of formula (I):
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: April 30, 2002
    Assignee: Pfizer Inc
    Inventors: Valerie Denise Harding, Ross James Macrae, Ronald James Ogilvie
  • Polymorphic salt
    Patent number: 6369094
    Abstract: The present invention is concerned with a crystalline, polymorphic form of a compound of formula (I) characterized by a powder X-ray diffraction pattern obtained using copper K-alpha1 radiation (&lgr;=0.15046 nm) which shows main peaks at 9.28, 10.38, 11.37, 12.40, 16.84, 17.46, 17.53, 17.78, 17.98, 19.48, 20.70, 21.29, 21.45, 22.21, 22.64, 23.08, 25.20 and 25.79. The invention also relates to processes for the preparation of said form, to pharmaceutical compositions containing same and to its use in medicine, particularly the treatment of conditions for which an agonist of 5-HT1 receptors is indicated, for example, migraine.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: April 9, 2002
    Assignee: Pfizer Inc.
    Inventors: Arthur Bentley, Simon Arnold Howard-Field, Ronald James Ogilvie
  • INDOLE DERIVATIVES
    Publication number: 20020013358
    Abstract: The present invention provides eletriptan hydrobromide monohydrate of the formula (I): 1
    Type: Application
    Filed: November 29, 1999
    Publication date: January 31, 2002
    Inventors: CHRISTOPHER IAN DALLMANN, RONALD JAMES OGILVIE
  • Salts of an anti-migraine indole derivative
    Patent number: 6110940
    Abstract: The present invention relates to hydrobromide salts of 3-(N-methyl-2(R)-pyrrolidinylmethyl)-5-(2-phenylsulphonylethyl)-1H-indole having the formula (I): ##STR1##
    Type: Grant
    Filed: February 2, 1997
    Date of Patent: August 29, 2000
    Assignee: Pfizer Inc.
    Inventors: Valerie Denise Harding, Ross James Macrae, Ronald James Ogilvie