Patents by Inventor Paul Tatarka

Paul Tatarka 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).

  • Starch ester blends with linear polyesters
    Patent number: 7517924
    Abstract: According to the present invention there is provided a composition as obtained from a melt comprising esterified starch, preferably having a degree of substitution of at least about 1.5, and preferably an amylose content of at least about 50% by weight with respect to that of the starch, and a linear polyester. The invention further provides the composition in the form of a melt or when shaped into articles.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: April 14, 2009
    Assignee: Japan Corn Starch Co., Ltd.
    Inventors: Stephen Rimsa, Paul Tatarka
  • Polymer composition comprising esterified starch and esterified cellulose
    Patent number: 5656682
    Abstract: According to the present invention there is provided a composition as obtained from a melt comprising a starch ester and a cellulose ester. The starch ester and cellulose ester may be of the kind obtained by reaction of a mixed acid anhydride with the polysaccharides. The invention further provides the composition when shaped into articles, and the melt from which the composition is obtained.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: August 12, 1997
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Stephen Rimsa, Paul Tatarka
  • Esterified starch composition
    Patent number: 5587412
    Abstract: According to the present invention there is provided a composition as obtained from a melt comprising esterified starch, preferably having an amylose content of at least about 50% by weight with respect to that of the starch, and being substituted to a degree of at least about 1.5, preferably from about 1.8 to about 2.9. The starch ester may be of the kind obtained by reaction of a mixed acid anhydride with starch.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: December 24, 1996
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Gerd Borchers, Ingo Dake, Albrecht Dinkelaker, Jean-Pierre Sachetto, Richard Zdrahala, Stephen Rimsa, Gary Loomis, Paul Tatarka, Olivier Mauzac