Patents by Inventor Michael James Smithers

Michael James Smithers 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: 7173025
    Abstract: Compounds of formula (I), wherein G1 is CH or N; G2 is CH or N; R1 is a variety of optional substituents; L1 is (1-4C)alkylene; T1 is CH or N; R2 and R3 are independently hydrogen or (1-4C)alkyl or are joined to form a ring; X1 and X2 represent various linking groups; Ar is phenylene or certain heteroaryl rings and Q represents a variety of aromatic or heterocyclic rings systems, and pharmaceutically acceptable salts thereof are described as useful antithrombotic and anticoagulant agents, and are selective Factor Xa inhibitors. Processes for their preparation and pharmaceutical compositions containing them are also described.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: February 6, 2007
    Assignee: Zeneca Limited
    Inventors: Andrew Stocker, John Preston, Michael James Smithers
  • Patent number: 6936610
    Abstract: The invention relates to heterocyclic derivatives of formula (I) A—B—X1—T1(R2)—L1—T2(R3)—X2—Q??(I) or pharmaceutically-acceptable salts thereof, which possess antithrombotic and anticoagulant properties and are accordingly useful in methods of treatment of humans or animals. The invention also relates to processes for the preparation of the heterocyclic derivatives, to pharmaceutical compositions containing them and to their use in the manufacture of medicaments for use in the production of an antithrombotic or anticoagulant effect.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: August 30, 2005
    Assignee: AstraZeneca UK Limited
    Inventors: Andrew Stocker, John Preston, John Wall Rayner, Michael James Smithers, Paul Turner
  • Publication number: 20030207882
    Abstract: Compounds of formula (I), wherein G1 is CH or N; G2 is CH or N; R1 is a variety of optional substituents, L1 is (1-4C)alkylene; T1 is CH or N; R2 and R3 are independently hydrogen or (1-4C)alkyl or are joined to form a ring; X1 and X2 represent various linking groups; Ar is phenylene or certain heteroaryl rings and Q represents a variety of aromatic or heterocyclic rings systems, and pharmaceutically acceptable salts thereof are described as useful antithrombotic and anticoagulant agents, and are selective Factor Xa inhibitors. Processes for their preparation and pharmaceutical compositions containing them are also described.
    Type: Application
    Filed: May 2, 2003
    Publication date: November 6, 2003
    Applicant: ZENECA LIMITED
    Inventors: Andrew Stocker, John Preston, Michael James Smithers
  • Publication number: 20030195203
    Abstract: The invention relates to heterocyclic derivatives of formula (I)
    Type: Application
    Filed: September 27, 2001
    Publication date: October 16, 2003
    Inventors: Andrew Stocker, John Preston, John Wall Rayner, Michael James Smithers, Paul Turner
  • Patent number: 6300330
    Abstract: The invention relates to heterocyclic derivatives of the formula (I): A—B—X1—T1(R2)—L1—T2(R3)—X2—Q or pharmaceutically acceptable salts thereof, which possess antithrombotic and anticoagulant properties due to their inhibition of Factor Xa and are accordingly useful in methods of treatment of humans or animals. The invention also relates to processes for the preparation of the heterocyclic derivatives, to pharmaceutical compositions containing them and to their use in the manufacture of medicaments for use in the production of an antithrombotic or anticoagulant effect.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: October 9, 2001
    Assignee: Zeneca Limited
    Inventors: Andrew Stocker, John Preston, John Wall Rayner, Michael James Smithers, Paul Turner
  • Patent number: 5728701
    Abstract: Compounds of formula I ##STR1## and metabolically labile esters and amides thereof, and pharmaceutically acceptable salts thereof, in which R.sup.13, M.sup.2, X.sup.1, Z.sup.1, Z.sup.1a, X.sup.2 and A.sup.1 have the meanings given in the specification. The compounds are useful as inhibitors of the binding of fibrinogen to glycoprotein IIb/IIIa. Novel intermediates are also disclosed.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: March 17, 1998
    Assignee: Zeneca Limited
    Inventors: Michael Garth Wayne, Michael James Smithers, John Wall Rayner, Alan Wellington Faull, Robert James Pearce, Andrew George Brewster, Richard Eden Shute, Stuart Dennett Mills, Peter William Rodney Caulkett
  • Patent number: 5652242
    Abstract: Compounds of formula I ##STR1## and metabolically labile esters and amides thereof, and pharmaceutically acceptable salts thereof, in which R.sup.13, M.sup.2, X.sup.1, Z.sup.1, Z.sup.1a, X.sup.2 and A.sup.1 have the meanings given in the specification. The compounds are useful as inhibitors of the binding of fibrinogen to glycoprotein IIb/IIIa. Novel intermediates are also disclosed.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 29, 1997
    Assignee: Zeneca Limited
    Inventors: Michael Garth Wayne, Michael James Smithers, John Wall Rayner, Alan Wellington Faull, Robert James Pearce, Andrew George Brewster, Richard Eden Shute, Stuart Dennett Mills, Peter William Rodney Caulkett
  • Patent number: 4112120
    Abstract: The disclosure relates to method for use in the husbandry of meat-producing domestic animals which comprises the oral administration to the animals of a p-benzoquinonedi-imide derivative, or a dihydro derivative or a salt thereof, and to compositions suitable for direct feeding to animals, in the method of the invention, or suitable for dilution with an animal foodstuff to give a supplemented foodstuff suitable for direct feeding to animals in the method of the invention; also to certain of the p-benzoquinonedi-imide derivatives which are novel compounds, and a process for their manufacture.
    Type: Grant
    Filed: March 16, 1976
    Date of Patent: September 5, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventor: Michael James Smithers
  • Patent number: 4087554
    Abstract: The disclosure relates to a method for use in the practice of animal husbandry which comprises the oral administration to non-ruminant animals of an iodonium salt. Solid or liquid compositions of said iodonium salts for use in the said method are also disclosed. Certain of the iodonium sats used in the said method are novel compounds.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: May 2, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: David Bryan Haydock, Michael James Smithers