Patents by Inventor Das Sajal

Das Sajal 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).

  • Process for preparing phenolic cyanate resins
    Patent number: 5124414
    Abstract: Phenolic cyanate/phenolic triazine copolymers and cured resins prepared therefrom.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: June 23, 1992
    Assignee: Allied-Signal Inc.
    Inventors: Das Sajal, Dusan C. Prevorsek