Patents by Inventor Stephen Christopher Martin Fell

Stephen Christopher Martin Fell 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: 7514562
    Abstract: Compounds of formula (I), or a pharmaceutically acceptable salt or solvate thereof, wherein P, P?, W, R1, R2, n, p, q, r, s and t are as defined in the specification, processes for preparing such compounds, pharmaceutical compositions comprising such compounds and their use in therapy.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: April 7, 2009
    Assignee: Glaxo Group Limited
    Inventors: Stephen Christopher Martin Fell, Harshad Kantilal Rami, Mervyn Thompson, David Richard Witty
  • Patent number: 7045619
    Abstract: A compound of formula (I): wherein R? is hydrogen, optionally substituted (C1-6)alkyl or optionally substituted aryl; R? is hydrogen, optionally substituted (C1-6)alkyl or optionally substituted aryl; or R? and R? together form an optionally substituted 5 or 6 membered heterocyclic ring with or without additional heteroatoms; R1 is (C1-6)alkyl which is unsubstituted or substituted by fluoro, a hydroxy group which is optionally protected by a removable hydroxy protecting group, or by an amino group which is optionally protected by a removable amino protecting group; R2 is hydrogen or methyl; and —CO2R3 is carboxy or a carboxylate anion or the group R3 is a removable carboxy protecting group. This invention also relates to processes for its preparation, intermediates and pharmaceutical compositions comprising compounds of formula (I).
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: May 16, 2006
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Eric Hunt, Steven Coulton, Jeremy David Hinks, Stephen Frederick Moss, Stephen Christopher Martin Fell, Alfred John Eglington, George Burton
  • Publication number: 20030166923
    Abstract: A compound of formula (I): 1
    Type: Application
    Filed: December 19, 2002
    Publication date: September 4, 2003
    Applicant: SmithKline Beecham p.l.c.
    Inventors: Eric Hunt, Steven Coulton, Jeremy David Hinks, Stephen Frederick Moss, Stephen Christopher Martin Fell, Alfred John Eglington, George Burton
  • Publication number: 20020147333
    Abstract: A compound of formula (I): 1
    Type: Application
    Filed: January 23, 2002
    Publication date: October 10, 2002
    Applicant: SmithKline Beecham p.l.c.
    Inventors: Eric Hunt, Steven Coulton, Jeremy David Hinks, Stephen Frederick Moss, Stephen Christopher Martin Fell, Alfred John Eglington, George Burton
  • Patent number: 6080855
    Abstract: Compounds of formula (I) or salts thereof: ##STR1## wherein R.sup.1 is hydrogen, methoxy or formamido; R.sup.2 is an acyl group; CO.sub.2 R.sup.3 is a carboxy group or a carboxylate anion, or R.sup.3 is a carboxy protecting group, pharmaceutically acceptable salt-forming group or in vivo hydrolysable ester group; R.sup.4 represents hydrogen or up to four substituents; X is O, S, SO or SO.sub.2 ; Y is O, S, SO or SO.sub.2 ; n is 0 or 1; and m is 1 or 2. The compounds have antibacterial activity. Methods of synthesis of, and pharmaceutical formulations containing, compounds (I) are also described.
    Type: Grant
    Filed: January 8, 1999
    Date of Patent: June 27, 2000
    Assignee: Pfizer Inc.
    Inventors: George Burton, Brian Charles Gasson, Stephen Christopher Martin Fell
  • Patent number: 6077952
    Abstract: A compound of formula (II) or a salt: ##STR1##
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: June 20, 2000
    Assignee: Pfizer Inc.
    Inventors: John Hargreaves Bateson, George Burton, Stephen Christopher Martin Fell
  • Patent number: 6020329
    Abstract: .beta.-Lactam antibiotics of formula (I) or a salt thereof, wherein R.sup.1 is hydrogen, methoxy or formamido; R.sup.2 is an acy group; CO.sub.2 R.sup.3 is a carboxy group or a carboxylate anion, or R.sup.3 is a readily removable carboxy protecting group; R.sup.4 represents up to four substituents; X is S, SO, SO.sub.2, O or CH.sub.
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: February 1, 2000
    Assignee: Pzifer Inc.
    Inventors: John Hargreaves Bateson, George Burton, Stephen Christopher Martin Fell
  • Patent number: 6001997
    Abstract: .beta.-Lactam antibiotics of formula (I) or a salt thereof, wherein R.sup.1 is hydrogen, methoxy or formamido; R.sup.2 is an acyl group; CO.sub.2 R.sup.3 is a carboxy group or a carboxylate anion, or R.sup.3 is a readily removable carboxy protecting group; R.sup.4 represents up to four substituents; X is S, SO, SO.sub.2, O or CH.sub.2 ; m is 1 or 2; and n is 0, useful in the treatment of bacterial infections.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: December 14, 1999
    Inventors: John Hargreaves Bateson, George Burton, Stephen Christopher Martin Fell
  • Patent number: 5919925
    Abstract: Compounds of formula (I) or salts thereof: ##STR1## wherein R.sup.1 is hydrogen, methoxy or formamido; R.sup.2 is an acyl group; CO.sub.2 R.sup.3 is a carboxy group or a carboxylate anion, or R.sup.3 is a carboxy protecting group, pharmaceutically acceptable salt-forming group or in vivo hydrolysable ester group; R.sup.4 represents hydrogen or up to four substituents; X is O, S, SO or SO.sub.2 ; Y is O, S, SO or SO.sub.2 ; n is 0 or 1; and m is 1 or 2. The compounds have antibacterial activity. Methods of synthesis of, and pharmaceutical formulations containing, compounds (I) are also described.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: July 6, 1999
    Assignee: Pfizer Inc.
    Inventors: George Burton, Brian Charles Gasson, Stephen Christopher Martin Fell