Patents by Inventor Robert Sanitra

Robert Sanitra 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 substantially linear polyamide from N-alkylamide-substituted amine and aqueous ammonia
    Patent number: 4609722
    Abstract: N-alkylamide-substituted amines, such as nitrilotripropionamide, are either self-polymerized or copolymerized with other monomers, such as amino acids, in the presence of a stoichiometric amount of aqueous ammonia and at a temperature of at least 200.degree. C. and autogenous pressure to form substantially linear polyamides, such as poly-.beta.-alanine and nylon-3/6.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: September 2, 1986
    Assignee: The Standard Oil Company
    Inventors: Gerald P. Coffey, Benedict S. Curatolo, Robert Sanitra
  • Acrolein-indene copolymers
    Patent number: 4035340
    Abstract: Thermoplastic-thermosetting polymers having good thermal stability are produced by the copolymerization of acrolein and indene.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: July 12, 1977
    Assignee: Standard Oil Company
    Inventors: Abolghassem Eskamani, Robert Sanitra