Patents by Inventor Carl M. E. Svahn

Carl M. E. Svahn 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).

  • Novel heparin derivatives
    Patent number: 5039529
    Abstract: A novel complex of (a) a metal ion selected from copper, calcium, manganese, iron, and zinc ions, and (b) a fraction of heparin, heparan sulfate, low molecular weight heparin, low molecular weight heparan sulfate, heparin fragments, heparan sulfate fragments, and oligosaccharides derived from heparin or from heparan sulfate, or a salt of such fractions which fractions bind to the said metal ion, said complex containing from 5 to 1,000 nmole metal of component (a) per .mu.mole of component (b).
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: August 13, 1991
    Assignee: KabiVitrum AB
    Inventors: Karin H. L. Bergendal, Rolf A. Johansson, Carl M. E. Svahn
  • Antifibrinolytically active derivatives of tranexamic acid
    Patent number: 4483867
    Abstract: Novel antifibrinolytically active compounds of the formula ##STR1## and therapeutically acceptable salt thereof, whereinR.sup.1 is selected from the group consisting of(a) alkyl groups containing 1-4 carbon atoms,(b) alkoxy groups containing 1-4 carbon atoms, ##STR2## R.sup.2 is selected from the group consisting of (a) H,(b) alkyl groups containing 1-4 carbon atoms,(c) --COOR.sup.3, wherein R.sup.3 is an alkyl group containing 1-4 carbon atoms,(d) --CONR.sup.4 R.sup.5, wherein R.sup.4 and R.sup.5 are the same or different alkyl groups containing 1-3 carbon atoms;or wherein R.sup.1 and R.sup.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: November 20, 1984
    Assignee: KabiVitrum AB
    Inventors: Carl M. E. Svahn, Ferenc Merenyi, Lennart E. Karlsson, Gunnar Hanshoff