Patents by Inventor Erwig O. Pinter

Erwig O. Pinter 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 producing standardized povidone iodine preparations and such preparations
    Patent number: 4954351
    Abstract: A pharmaceutical iodophor preparation having predictable microbicidal effectiveness and long duration of action comprising polyvinylpyrrolidone-iodine (PVPI), free iodine, a source of iodide ions and a source of iodate ions, the preparation having a ratio of available (titratable) iodine to iodide between 2:1 and 10:1, a pH between 5 and 6 and a free iodine concentration between 2 and 20 ppm, wherein the amount of iodate ion in the preparation is sufficient to maintain the free iodine concentration between 2 and 20 ppm for at least 12 months at 20.degree. C.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: September 4, 1990
    Assignee: Euroceltique S.A.
    Inventors: Mortimer D. Sackler, Ronald B. Miller, Erwig O. Pinter, Helmut E. W. Rackur, Raymond R. Sackler, Richard S. Sackler, Alfred Halpern, deceased