Patents by Inventor Stina M. Gestrelius

Stina M. Gestrelius 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).

  • Method of deacidifying wine and composition therefor
    Patent number: 4380552
    Abstract: Deacidifying wine by passage through an alginate gel containing living cells of Leuconostoc oenos therein. To ensure maximum viability, the alginate gel is stored in a resting medium, preferably sterile grape juice containing 5-12% ethanol. Before deacidifying wine the immobilized cells are conditioned to a wine milieu.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: April 19, 1983
    Assignee: Novo Industri A/S
    Inventors: Stina M. Gestrelius, Jorgen H. Kjaer
  • Immobilized intracellular enzymes
    Patent number: 4288552
    Abstract: Intracellular glutaraldehyde sensitive enzymes are immobilized by reacting microbial cell material with glutaraldehyde in the presence of a polyamine which is preferably a branched polyethylene imine.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: September 8, 1981
    Assignee: Novo Industri A/S
    Inventor: Stina M. Gestrelius