Patents by Inventor William H. Dickstein

William H. Dickstein 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).

  • Coatings for hot roll fusers
    Patent number: 4970098
    Abstract: A roll for hot fusing having a coating comprising a cross-linked elastomeric random copolymer of dimethylsiloxane and diphenylsiloxane and three additives, (1) from 40 to 55% by weight of small zinc oxide particles, (2) from 5 to 10% by weight of small graphite particles and (3) from 1 to 5% by weight of ceric dioxide particles.
    Type: Grant
    Filed: April 18, 1990
    Date of Patent: November 13, 1990
    Assignee: International Business Machines Corporation
    Inventors: Juan Ayala-Esquilin, William H. Dickstein, James L. Hedrick, Jr., John C. Scott, Arnold C. Yang
  • Magnetic disk coatings
    Patent number: 4397751
    Abstract: A magnetic disk coating composition contains magnetic particles and a binder system comprising epoxy and phenolic resins, a titanate coupling agent and a water miscible solvent system, the coating having a pigment volume concentration of up to 35.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: August 9, 1983
    Assignee: International Business Machines Corporation
    Inventors: Heidi L. Dickstein, William H. Dickstein