Patents by Inventor Stephen Dennis Pickett

Stephen Dennis Pickett 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: 6706738
    Abstract: The invention is directed to physiologically active compounds of general formula (I): R1Z1—Het—L1—Ar1—L2—Y  (I) wherein Het is an optionally substituted, saturated, partially saturated or fully unsaturated 8 to 10 membered bicyclic ring containing at least one heteroatom selected from O, S or N; R1 is optionally substituted aryl, heteroaryl, alkyl, alkenyl, alkynyl, cycloalkyl or heterocycloalkyl; Z1 represents a direct bond, an alkylene chain, NR4, O or S(O)n; L1 is an a —R5—R6— linkage where R5 is alkylene, alkenylene or alkynylene and R6 is a direct bond, cycloalkylene, heterocycloalkylene, arylene, heteroaryldiyl, —C(═Z3)—NR4—, —NR4—C(═Z3)—, —Z3—, —C(═O)—, —C(═NOR4)—, —NR4—, —NR4—C(═Z3)—NR4—, —SO2—NR4—, —NR4—SO2—, —O—C(═O)—, —C(═O)—O—,
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: March 16, 2004
    Assignee: Aventis Pharma Limited
    Inventors: David Edward Clark, Paul Robert Eastwood, Neil Victor Harris, Clive McCarthy, Andrew David Morley, Stephen Dennis Pickett
  • Patent number: 6593354
    Abstract: The invention is directed to physiologically active compounds of formula (Ia): wherein R1 is optionally substituted aryl or optionally substituted heteroaryl; R2 is hydrogen, halogen, lower alkyl or lower alkoxy; R3 is alkylene, alkenylene or alkynylene; R5 is hydrogen or lower alkyl; L2 is optionally substituted alkylene or alkenylene; Y is carboxy; and Z1 is NR5; and the corresponding N-oxides, and their prodrugs; and pharmaceutically acceptable salts and solvates (e.g. hydrates) of such compounds and their N-oxides and prodrugs. Such compounds have valuable pharmaceutical properties, in particular the ability to regulate the interaction of VCAM-1 and fibronectin with the integrin VLA-4 (&agr;4&bgr;1).
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: July 15, 2003
    Assignee: Aventis Pharma Limited
    Inventors: David Edward Clark, Paul Robert Eastwood, Neil Victor Harris, Clive McCarthy, Andrew David Morley, Stephen Dennis Pickett
  • Patent number: 6562851
    Abstract: The invention is directed to physiologically active compounds of general formula (I): wherein Het is an optionally substituted, saturated, partially saturated or fully unsaturated 8 to 10 membered bicyclic ring system containing at least one heteroatom selected from O, S or N; R1 is optionally substituted aryl, heteroaryl, alkyl, alkenyl, alkynyl, cycloalkyl or heterocycloalkyl; R2 is hydrogen, halogen, lower alkyl or lower alkoxy; Z1 is NR5; L1 is a —R6—R7— linkage (where R6 is alkylene, alkenylene or alkynylene and R7 is a direct bond, cycloalkylene, heterocycloalkylene, aryldiyl, heteroaryldiyl, —C(═Z3)—NR5—, —NR5—C(═Z3)—, —Z3—, —C(═O)—, —C(═NOR5)—, —NR5—, —NR5—C(═Z3)—NR5—, —SO2—NR5—, —NR5—SO2—, —O—C(═O)—, —C(═O)—O—, —NR5—C(═O)—O—
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: May 13, 2003
    Assignee: Aventis Pharma Limited
    Inventors: David Edward Clark, Paul Robert Eastwood, Neil Victor Harris, Clive McCarthy, Andrew David Morley, Stephen Dennis Pickett
  • Publication number: 20020173506
    Abstract: The invention is directed to physiologically active compounds of general formula (I):
    Type: Application
    Filed: October 11, 2001
    Publication date: November 21, 2002
    Inventors: David Edward Clark, Paul Robert Eastwood, Neil Victor Harris, Clive McCarthy, Andrew David Morley, Stephen Dennis Pickett
  • Publication number: 20020156111
    Abstract: The invention is directed to physiologically active compounds of general formula (I): 1
    Type: Application
    Filed: November 2, 2001
    Publication date: October 24, 2002
    Inventors: David Edward Clark, Paul Robert Eastwood, Neil Victor Harris, Clive McCarthy, Andrew David Morley, Stephen Dennis Pickett
  • Publication number: 20020137782
    Abstract: The invention is directed to physiologically active compounds of formula (Ia): 1
    Type: Application
    Filed: August 9, 2001
    Publication date: September 26, 2002
    Inventors: David Edward Clark, Paul Robert Eastwood, Neil Victor Harris, Clive MCCarthy, Andrew David Morley, Stephen Dennis Pickett