Patents by Inventor Carolyn A. Savino

Carolyn A. Savino 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: 4874466
    Abstract: An improved paper making filler composition is comprised of the combination of a paper making pigment admixed with a cationic water soluble polymer in an aqueous dispersion, wherein the cationic water soluble polymer is present in said dispersion in the amount of from 0.1 to 2.0 weight percent based on said pigment, the cationic water soluble polymer being selected from the group consisting of polymers comprised of at least fifty percent by weight of repeating units consisting of a quaternary ammonium salt moiety and from 2 to 10 carbons, wherein the carbons form alkyl or aryl moieties or combinations thereof, may be substituted with hydroxy, amine, or halide, and polyaluminum chloride and mixtures thereof.
    Type: Grant
    Filed: September 28, 1988
    Date of Patent: October 17, 1989
    Assignee: Nalco Chemical Company
    Inventor: Carolyn A. Savino