Patents by Inventor John I. Stofko

John I. Stofko 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).

  • Bonding of solid lignocellulosic materials
    Patent number: 6406786
    Abstract: Consolidated or composite lignocellulosic products such as fiberboard, particle board, chipboard, waferboard, plywood, straw composites, etc. are formed by using a particulate binder or adhesive constituting particles of crude cellulose polysaccharide materials, e.g. wood flour or ground straw, coated with MDI or other isocyanate binder in a thickness preferably in the range of 1-7 &mgr;m.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: June 18, 2002
    Assignee: Carbocol Systems Inc.
    Inventor: John I. Stofko
  • Bonding of solid lignocellulosic materials
    Patent number: 6083623
    Abstract: Consolidated or composite lignocellulosic products such as fiberboard, particle board, chipboard, waferboard, plywood, straw composites, etc. are formed by using a particulate binder or adhesive constituting particles of crude cellulose polysaccharide materials, e.g. wood flour or ground straw, coated with MDI or other isocyanate binder in a thickness preferably in the range of 1-7 .mu.m.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: July 4, 2000
    Assignee: Carbocol Systems Inc.
    Inventor: John I. Stofko