Patents by Inventor Albert J. Herold

Albert J. Herold 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 for producing sintered porous polymeric articles
    Patent number: 4375441
    Abstract: A process for forming sintered porous polymeric articles by the steps of sintering preforms of polymeric particles with dielectric heat, or with dielectric heat in combination with conventional heating techniques. Sintered porous polymeric articles made of rubber-modified nitrile resins in accordance with the foregoing processes are also disclosed.
    Type: Grant
    Filed: December 18, 1980
    Date of Patent: March 1, 1983
    Assignee: The Standard Oil Company
    Inventors: Richard C. Adams, Albert J. Herold
  • Hot water precipitation of resins containing maleic anhydride
    Patent number: 4355157
    Abstract: A method of precipitating a copolymer comprising maleic anhydride from a solution comprising an organic solvent, the method comprising mixing a solution of an organic solvent and a copolymer of maleic anhydride and a monomer copolymerizable therewith with hot water and agitating the resulting mixture for a sufficient period of time and at a sufficiently high shear rate to yield precipitated particles of said copolymer that are substantially free of internal organic solvent.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: October 19, 1982
    Assignee: The Standard Oil Company
    Inventors: Richard W. Yanik, Albert J. Herold