Patents by Inventor Bengt Gerdin

Bengt Gerdin 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: 8084453
    Abstract: Novel substituted indoloquinoxalines of formula (I 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: July 1, 2009
    Date of Patent: December 27, 2011
    Assignee: Oxypharma AB
    Inventors: Jan Bergman, Robert Engovist, Bengt Gerdin, Ingemar Kihlstrom, Ulf Bjorklund
  • Publication number: 20110086859
    Abstract: Novel substituted indoloquinoxalines of formula (I 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: Application
    Filed: July 1, 2009
    Publication date: April 14, 2011
    Applicant: OxyPharma AB
    Inventors: Jan Bergman, Robert Engqvist, Bengt Gerdin, Ingemar Kihlstrom, Ulf Bjorklund
  • Publication number: 20100009999
    Abstract: Novel substituted indoloquinoxalines of formula (I 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: Application
    Filed: July 1, 2009
    Publication date: January 14, 2010
    Applicant: OxyPharma AB
    Inventors: Jan Bergman, Robert Engqvist, Bengt Gerdin, Ingemar Kihlstrom, Ulf Bjorklund
  • 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
  • Publication number: 20050288296
    Abstract: Novel substituted indoloquinoxalines of formula (I 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: Application
    Filed: September 8, 2005
    Publication date: December 29, 2005
    Inventors: Jan Bergman, Robert Engqvist, Bengt Gerdin, Ingemar Kihlstrom, Ulf Bjorklund
  • Patent number: 6572855
    Abstract: Hyaluronidase is used in the treatment of inflammation associated with an increased local synthesis of hyaluronan in a mammal, e.g. in connection with organ grafting, hyaluronidase being administered locally or systemically. The effect is to reduce inflammatory cell infiltration.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: June 3, 2003
    Assignee: Linc Invest AB
    Inventors: Cecilia Johnsson, Gunnar Tufveson, Roger Hällgren, Bengt Gerdin