Patents Assigned to Dumex-Alpharma A/S
  • Patent number: 6077822
    Abstract: It has been found that sugar acid salts represent beneficial controlled release forms for basic organic drug compounds. Examples of appropriate salts include mono, di, oligo and polysaccharide poly-O-sulphonic acid salts of antibiotics such as tetracyclins and aminoglycosides.
    Type: Grant
    Filed: March 13, 1995
    Date of Patent: June 20, 2000
    Assignee: Dumex-Alpharma A/S
    Inventors: Hjarne Dyrsting, Torben Koch
  • Patent number: 5958458
    Abstract: A pharmaceutical multiple unit particulate formulation in the form of coated cores which includes a pharmaceutically acceptable carrier selected from calcium carbonate, calcium silicate, calcium magnesium silicate, calcium phosphate, kaolin, sodium hydrogen carbonate, sodium sulfate, barium carbonate, barium sulfate, magnesium sulfate, magnesium carbonate, and activated carbon, and an active substance in a layer on the outer surface of the cores.
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: September 28, 1999
    Assignee: Dumex-Alpharma A/S
    Inventors: Tomas Norling, Lone Norgaard Jensen, Jens Hansen
  • Patent number: 5595977
    Abstract: The present invention relates to novel amino glycoside salts of sucrose-octa-O-sulfonic acid of formula I:([sucrose-octa-O-sulfonic acid.sup.8- ]-[R-(NH.sub.3.sup.+).sub.x ].sub.y -M.sub.z.sup.n+) (I)(x.multidot.y)+(z.multidot.n)=8x.multidot.y.epsilon.N.vertline.[4.ltoreq.x.multidot.y.ltoreq.8], wherein N is the set of natural numbers,x.epsilon.Z.vertline.[4.ltoreq.x.ltoreq.6], wherein Z is the set of integersz.epsilon.N.vertline.[0.ltoreq.z.ltoreq.4],n.epsilon.Z.vertline.[1.ltoreq.n.ltoreq.3],wherein R is a sugar moiety of an amino glycoside and M is a metal ion or an ammonium ion, said compounds being useful for treating ulcerations of the stomach and duodenum.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: January 21, 1997
    Assignee: Dumex-Alpharma A/S
    Inventors: Hjarne Dyrsting, Torben Koch