Patents by Inventor Steven D. Sarokin

Steven D. Sarokin 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).

  • Paint masking material comprising a fibrous base coated on one surface with a paint-permeable coating and coated on the other surface with a paint-impervious coating
    Patent number: 5415923
    Abstract: An improved masking material useful in spray-painting operations comprising an absorptive reservoir defined by a fibrous base sheet to one surface of which there is applied a first coating that defines a less than complete barrier to the transfer of paint to said base sheet and to the opposite surface of which there is applied a second coating that defines a substantially complete barrier to the strike-through of paint to an underlying surface sought to be protected from the paint.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: May 16, 1995
    Assignee: International Paper Company
    Inventors: Steven D. Sarokin, John E. Dayton, Jr.
  • Coated base paper for use in the manufacture of low heat thermal printing paper
    Patent number: 5342649
    Abstract: A base paper for use in the manufacture of printing paper used in low heat thermal printing operations. The base paper is provided by coating a paper sheet with a dispersion comprising hollow gas-containing spherical particles preferably of a synthetic polymer, a filler of clay particles, and a binder. The coating provides pigment, thermal insulation and aqueous holdout for a thermosensitive recording layer applied onto the coating and can be calendered to improve surface smoothness.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: August 30, 1994
    Assignee: International Paper Company
    Inventor: Steven D. Sarokin