Patents by Inventor Per Kallblad

Per Kallblad 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: 8258175
    Abstract: A compound of formula or a prodrug and/or a pharmaceutically acceptable salt thereof, wherein X is O, N or S; R1 is hydrogen, halo, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted hydroxyalkyl, substituted or unsubstituted alkylamine, alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroaralkyl; R2 is hydrogen, halo, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted hydroxyalkyl substituted or unsubstituted alkylamine, alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroalkyl; R3 is hydrogen, halo, hydroxy, substituted or unsubstituted alloy substituted or unsubstituted hydroxyalkyl, substituted or unsubstituted alkylamine alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroalkyl; and R4-R7, is used to represent groups R4, R5, R6 and R7 which are H, OH, alkyl, alkoxy, alkylamine, hydroxyalkyl, h
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: September 4, 2012
    Assignee: Cancer Research Technology Limited
    Inventors: Hendrika Maria Gerarda Willems, Per Kallblad, Ian Robert Hardcastle, Roger John Griffin, Bernard Thomas Golding, John Lunec, Martin E. M. Noble, David R. Newell, Alan H. Calvert
  • Publication number: 20080261917
    Abstract: A compound of formula or a prodrug and/or a pharmaceutically acceptable salt thereof, wherein X is O, N or S; R1 is hydrogen, halo, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted hydroxyalkyl, substituted or unsubstituted alkylamine, alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroaralkyl; R2 is hydrogen, halo, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted hydroxyalkyl substituted or unsubstituted alkylamine, alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroalkyl; R3 is hydrogen, halo, hydroxy, substituted or unsubstituted alloy substituted or unsubstituted hydroxyalkyl, substituted or unsubstituted alkylamine alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroalkyl; and R4-R7, is used to represent groups R4, R5, R6 and R7 which are H, OH, alkyl, alkoxy, alkylamine, hydroxyalkyl, h
    Type: Application
    Filed: August 26, 2005
    Publication date: October 23, 2008
    Inventors: Hendrika Maria Gerarda Willems, Per Kallblad, Ian Robert Hardcastle, Robert John Griffin, Bernard Thomas Golding, John Lunec, Martin E.M. Noble, David R. Newell, Alan H. Calvert