Patents by Inventor Arthur G. Schlask

Arthur G. Schlask 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).

  • Stable solution of polybenzimidazole and polysulfons blends
    Patent number: 5208298
    Abstract: A stable solution of polybenzimidazole resin containing from approximately 10 to approximately 35 weight percent of resins and from approximately 65 to approximately 90 weight percent of a suitable solvent, the resins consist of from approximately 70 to approximately 95 weight percent of polybenzimidazole and from approximately 5 to approximately 30 weight percent of polysulfone, wherein the solution is substantially free of organic salt. The solution is useful for the production of films, fibers and molded articles exhibiting enhanced mechanical properties.
    Type: Grant
    Filed: April 8, 1992
    Date of Patent: May 4, 1993
    Assignee: Hoechst Celanese Corp.
    Inventors: Tai-Shung Chung, Arthur G. Schlask, Dieter Kurschus