Patents by Inventor Ingemar Kihlström

Ingemar Kihlström 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: 7589093
    Abstract: Novel substituted indoloquinoxalines of formula wherein R1 is hydrogen or represents one or more similar or different substituents in the positions 7 to 10 selected from the group halogen, lower alkyl/alkoxy, hydroxy, trifluoromethyl, trichloromethyl, trifluoromethoxy, R2 represents similar or different C1-C4 alkyl substituents, X is CO or CH2, Y is OH, NH2, NH—(CH2)n—R3 wherein R3 represents lower alkyl, OH, NH2, NHR4 or NR5R6 wherein R4, R5 and R6 independently are lower alkyl or cyclo-alkyl and n is an integer of from 2 to 4, with the provision that when X is CH2, Y is OH or NH—(CH2)n—OH, and pharmacologically acceptable salts thereof are described. The compounds are useful as drugs for preventing and/or treating autoimmune diseases.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: September 15, 2009
    Assignee: Oxypharma AB
    Inventors: Jan Bergman, Robert Engqvist, Bengt Gerdin, Ingemar Kihlström, Ulf Björklund