Patents by Inventor Kay C. Sanborn

Kay C. Sanborn 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).

  • Patent number: 5514450
    Abstract: This invention relates to an aqueous correcting fluid, the use of which prevents bleeding of aqueous ink dyes during correction of writing errors or erasure of documents using white out. This is accomplished according to the present invention by the fact that the correcting fluid contains an anionic or non-ionic active binder plus an aminosilanes.The aminosilane-modified correcting fluid of this invention may be substituted for solvent-based fluids, without adversely affecting other properties such as water resistance, opacity and curing.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: May 7, 1996
    Inventors: Kay C. Sanborn, Linda S. Smith
  • Patent number: 5370922
    Abstract: This invention relates to an aqueous correcting fluid, the use of which prevents bleeding of aqueous ink dyes during correction of writing errors or erasure of documents using white out. This is accomplished according to the present invention by the fact that the correcting fluid contains an anionic or non-ionic active binder plus an aminosilanes. The aminosilane-modified correcting fluid of this invention may be substituted for solvent-based fluids, without adversely affecting other properties such as water resistance, opacity and curing.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: December 6, 1994
    Assignee: Rohm and Haas Company
    Inventors: Kay C. Sanborn, Linda S. Smith