Patents by Inventor Donald James Simpson

Donald James Simpson 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: 7667036
    Abstract: The Pyrazolo[1,5-a]pyrimidine derivatives represented by formula I and their pharmaceutically acceptable salts exhibit excellent MAPKAP-K2 inhibiting activity. Drugs comprising the compounds as effective ingredients are therefore expected to be useful as therapeutic or prophylactic agents for MAPKAP-K2 mediated disorder, such as inflammatory disease, autoimmune disease, destructive bone disorder, cancer and/or tumour growth.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: February 23, 2010
    Assignee: Teijin Pharma Limited
    Inventors: Tomomi Kosugi, Minoru Imai, Hiroaki Makino, Mika Takakuwa, Gen Unoki, Kenichiro Kataoka, Dale Robert Mitchell, Donald James Simpson, Clifford John Harris, Joelle Le, Yuko Yamakoshi
  • Patent number: 6893650
    Abstract: The invention provides fungicidal compounds of formula (I) and salts thereof wherein: R1 is alkyl, alkenyl, alkynyl, carbocyclyl or heterocyclyl, each of which may be substituted, or hydrogen; R2 and R3, which may be the same or different, are any group defined for R1; cyano; acyl; —ORa or —SRa, where Ra is alkyl, alkenyl, alkynyl, carbocyclyl or heterocyclyl, each of which may be substituted; or R2 and R3, or R2 and R1, together with their interconnecting atoms may form a ring, which may be substituted; R4 is alkyl, alkenyl, alkynyl, carbocyclyl or heterocyclyl, each of which may be substituted; hydroxy; mercapto; azido; nitro; halogen; cyano; acyl; optionally substituted amino; cyanato; thiocyanato; —SF5; —ORa; —SRa or —Si(Ra)3; m is 0 to 3; when present R5, which may be the same or different to any other R5, is any group defined for R4; R6 is optionally substituted carbo- or heterocylclyl; and A is a defined linking group, or —A—R6 and R5 together with benzene ring M form an optionally substituted fused ri
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: May 17, 2005
    Assignee: Bayer Cropscience GmbH
    Inventors: Mark David Charles, Wilfried Franke, David Eric Green, Thomas Lawley Hough, Dale Robert Mitchell, Donald James Simpson, John Frederick Atherall
  • Patent number: 6030977
    Abstract: Combining pyrimethanil with an organic acid having a volatility of less than 2 Pa at 20.degree. C. results in a product which has valuable physical and biological properties.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: February 29, 2000
    Assignee: Agrevo UK Limited
    Inventors: David Stock, Geoffrey Gower Briggs, Donald James Simpson