Patents by Inventor Albert Shaw Wood

Albert Shaw Wood 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).

  • Pharmaceutically Active Compounds
    Publication number: 20100035891
    Abstract: Compounds of the formula (I): wherein R1, R2, R4 and R13 are as defined or a pharmaceutically or veterinarily acceptable salt or polymorph thereof, or a pharmaceutically or veterinarily acceptable solvate or pro-drug thereof: are potent and selective inhibitors of type 5 cyclic guanosine 3?,5?-monophosphate phosphodiesterase (cGMP PDE5) and have utility in the treatment of, inter alia, male erectile dysfunction (MED) and female sexual dysfunction (FSD).
    Type: Application
    Filed: May 20, 2009
    Publication date: February 11, 2010
    Inventors: Mark Edward Bunnage, Keith Michael DeVries, Laurence James Harris, Philip Charles Levett, John Paul Mathias, Joanna Teresa Negri, Stephen Derek Albert Street, Albert Shaw Wood
  • Process for preparing pharmaceutically active compounds
    Patent number: 7176311
    Abstract: A process for the preparation of Compounds of the formula (1): wherein R1, R2, R4 and R13 are as defined or a pharmaceutically or veterinarily acceptable salt or polymorph thereof, or a pharmaceutically or veterinarily acceptable solvate or pro-drug thereof: are potent and selective inhibitors of type 5 cyclic guanosine 3?,5?-monophosphate phosphodiestbrase (cGMP PDE5) and have utility in the treatment of, inter alia, male erectile dysfunction (MED) and female sexual dysfunction (FSD).
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: February 13, 2007
    Assignee: Pfizer Inc.
    Inventors: Mark Edward Bunnage, Keith Michael DeVries, Laurence James Harris, Philip Charles Levett, John Paul Mathias, Joanna Teresa Negri, Stephen Derek Albert Street, Albert Shaw Wood
  • Process for the preparation of pyrazolo[4,3-d]pyrimidin-7-one compounds and intermediates thereof
    Patent number: 6809200
    Abstract: A process is provide for the preparation of compounds of formula (I) herein comprising reacting a compound of formula (III), (IV) or (V) wherein the variables are as defined in the specification. The reaction is conducted in the presence of −OR3 and a hydroxide trapping agent or in the case of compounds of formula (IV) reacting in the presence of an auxiliary base and a hydroxide trapping agent.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: October 26, 2004
    Assignee: Pfizer Inc.
    Inventors: Charlotte Moira Norfor Allerton, Christopher Gordon Barber, Keith Michael DeVries, Laurence James Harris, Philip Charles Levett, Joanna Teresa Negri, David James Rawson, Albert Shaw Wood
  • Pharmaceutically active compounds
    Publication number: 20040152712
    Abstract: Compounds of the formula (1): 1
    Type: Application
    Filed: January 6, 2004
    Publication date: August 5, 2004
    Applicant: Pfizer Inc.
    Inventors: Mark Edward Bunnage, Keith Michael DeVries, Laurence James Harris, Philip Charles Levett, John Paul Mathias, Joanna Teresa Negri, Stephen Derek Albert Street, Albert Shaw Wood
  • Pharmaceutically active compounds
    Patent number: 6677335
    Abstract: Compounds of the formula (I): wherein R1, R2, R4 and R13 are as defined or a pharmaceutically or veterinarily acceptable salt or polymorph thereof, or a pharmaceutically or veterinarily acceptable solvate or pro-drug thereof: are potent and selective inhibitors of type 5 cyclic guanosine 3′,5′-monophosphate phosphodiesterase (cGMP PDE5) and have utility in the treatment of, inter alia, male erectile dysfunction (MED) and female sexual dysfunction (FSD).
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: January 13, 2004
    Assignee: Pfizer Inc
    Inventors: Mark Edward Bunnage, Keith Michael DeVries, Laurence James Harris, Philip Charles Levett, John Paul Mathias, Joanna Teresa Negri, Stephen Derek Albert Street, Albert Shaw Wood
  • Crystalline therapeutic agent
    Patent number: 6420557
    Abstract: A polymorph of 1-{6-ethoxy-5-[3-ethyl-6,7-dihydro-2-(2-methoxyethyl)-7-oxo-2H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-pyridylsulfonyl}-4-ethylpiperazine.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: July 16, 2002
    Assignee: Pfizer Inc.
    Inventors: Laurence James Harris, Richard Anthony Storey, Albert Shaw Wood
  • Crystalline therapeutic agent
    Publication number: 20020040140
    Abstract: A polymorph of 1-{6-ethoxy-5-[3-ethyl-6,7-dihydro-2-(2-methoxyethyl)-7-oxo-2H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-pyridylsulfonyl}-4-ethylpiperazine.
    Type: Application
    Filed: July 26, 2001
    Publication date: April 4, 2002
    Inventors: Laurence James Harris, Richard Anthony Storey, Albert Shaw Wood
  • Process for the preparation of pyrazolo[4,3-d]pyrimidin-7-one compounds and intermediates thereof
    Publication number: 20020038024
    Abstract: A process is provided for the preparation of compounds of formula (I) herein comprising reacting a compound of formula (II), (III), (IV) or (V) in the presence of −OR3 and a hydroxide trapping agent or in the case of compounds of formula (IV) reacting in the presence of an auxiliary base and a hydroxide trapping agent (i.e. −OR3 is substituted by the auxiliary base), wherein X is a leaving group and R1 to R4 are as defined.
    Type: Application
    Filed: July 26, 2001
    Publication date: March 28, 2002
    Inventors: Charlotte Moira Norfor Allerton, Christopher Gordon Barber, Keith Michael Devries, Laurence James Harris, Philip Charles Levett, Joanna Teresa Negri, David James Rawson, Albert Shaw Wood
  • Process for preparing sildenafil
    Patent number: 6066735
    Abstract: A process for the preparation of a compound of formula (I): ##STR1## which comprises cyclization of a compound of formula (II): ##STR2##
    Type: Grant
    Filed: July 23, 1999
    Date of Patent: May 23, 2000
    Assignee: Pfizer Inc.
    Inventors: Peter James Dunn, Albert Shaw Wood
  • Process for preparing sildenafil
    Patent number: 5955611
    Abstract: A process for the preparation of a compound of formula (I): ##STR1## which comprises cyclization of a compound of formula (II): ##STR2##
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: September 21, 1999
    Assignee: Pfizer Inc.
    Inventors: Peter James Dunn, Albert Shaw Wood