Patents by Inventor David J. Sikora

David J. Sikora 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).

  • Superabsorbing fibers and films and processes for preparing same
    Patent number: 6465536
    Abstract: Superabsorbent fiber and film compositions comprising partially acidified, hydrolyzed, internally plasticized, crosslinked, superabsorbing fibers or film derived from polysuccinimide and processes for preparing same.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: October 15, 2002
    Assignee: Solutia, Inc.
    Inventors: Yueting Chou, Timothy Paul Feast, Jingen Zhang, David J. Sikora
  • Superabsorbing fibers and films and processes for preparing same
    Publication number: 20020055611
    Abstract: Superabsorbent fiber and film compositions comprising partially acidified, hydrolyzed, internally plasticized, crosslinked, superabsorbing fibers or film derived from polysuccinimide and processes for preparing same.
    Type: Application
    Filed: August 2, 2001
    Publication date: May 9, 2002
    Inventors: Yueting Chou, Timothy Paul Feast, Jingen Zhang, David J. Sikora
  • Rubber compositions containing 2-pyrazine sulfenamides
    Patent number: 5374689
    Abstract: Thiols, or thiolate salts, disulfides and sulfenamides of certain pyrazines are effective accelerators in the sulfur vulcanization of rubber. These compounds, based on 2-pyrazine, show improved rates of vulcanization compared with known sulfenamide accelerators.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: December 20, 1994
    Assignee: Monsanto Company
    Inventors: Charles J. Rostek, Jr., Horng-Jau Lin, David J. Sikora
  • Inhibition of calcium phosphate scale formation with a maleate polymer
    Patent number: 4673508
    Abstract: Maleate polymers and derivatives of maleate polymers containing specified functional groups are effective scale inhibitors, for calcium phosphate scale.
    Type: Grant
    Filed: November 13, 1985
    Date of Patent: June 16, 1987
    Assignee: Monsanto Company
    Inventors: James P. Coleman, George Kvakovszky, David J. Sikora