Patents by Inventor Jurgen C. Quandt

Jurgen C. Quandt 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).

  • Supporting bandage
    Patent number: 4221214
    Abstract: A bandage for forming a stiffening or supporting cast comprising a carrier material and a composition thereon. The material includes a gas permeable flexible fabric-like base of the usual kind. The composition comprises (a) 55-97% by weight of gypsum, burnt, (b) 1-30%, preferably 3-30%, by weight of a highly crosslinked, finely dispersed poly-vinyl ester powder, which powder is more than 50% insoluble in ethyl-acetate, and (c) 0-12%, preferably 3-12%, by weight of a light weight cellular or porous filler having a bulk density of up to 0.1 g/cc.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: September 9, 1980
    Assignee: Biersdorf Aktiengesellschaft
    Inventors: Hanns Pietsch, Dietrich Schulte, Gunther Sachau, Jurgen C. Quandt