Patents by Inventor Brenda Taipale

Brenda Taipale 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).

  • Solid acrylic resin using a continuous tube reactor
    Patent number: 6476170
    Abstract: Described is a process for making acrylic resins suitable as polymeric surfactants used in emulsion polymerization, as pigment grinding resins and for preparing dispersions used as overprint varnishes. The feedstock is styrene, &agr;-methyl styrene, acrylic acid and a polymerization initiator and is preferably free of solvent. This mix is passed through a continuous tube reactor run at a controlled range of pressure and relatively low residence time and temperature. Optimally, when the polymer/unreacted monomers blend exits the reactor and is devolatilized, the recovered monomers are used to make up part of the feedstock.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: November 5, 2002
    Assignee: Cook Composites & Polymers Co.
    Inventors: George Roth, George A. Smith, Reuben Grinstein, Paul D. Whyzmuzis, Shruti Singhal, Steve Boucher, Brenda Taipale, Roger Lovald, David Devore, James P. Yosh, Jr., Stephen A. Fischer, Michael S. Wiggins
  • Heat resistant emulsion resins
    Patent number: 6338875
    Abstract: The invention is high temperature emulsion composition comprising borax and a substantially water-insoluble polymer prepared by aqueous suspension polymerizing a blend of monomers, said blend comprising a plasticizing amount by weight of at least one plasticizing alkyl acrylate monomer, a hardening amount by weight of at least one hardening alkyl acrylate monomer and a crosslinking amount by weight of at least one multi-ethylenically unsaturated monomer, in an aqueous suspension comprising a water-soluble polymer component comprising at least one acrylic polymer having carboxylate functionality, its method of use and coated substrates made therewith.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: January 15, 2002
    Assignee: Cook Composites and Polymers Co.
    Inventors: Steve Boucher, Paul Whyzmuzis, Brenda Taipale, George A Smith, Joseph Sinka, Ching Feng
  • Heat resistant emulsion resins
    Patent number: 6162850
    Abstract: The invention is high temperature emulsion composition comprising borax and a substantially water-insoluble polymer prepared by aqueous suspension polymerizing a blend of monomers, said blend comprising a plasticizing amount by weight of at least one plasticizing alkyl acrylate monomer, a hardening amount by weight of at least one hardening alkyl acrylate monomer and a crosslinking amount by weight of at least one multi-ethylenically unsaturated monomer, in an aqueous suspension comprising a water-soluble polymer component comprising at least one acrylic polymer having carboxylate functionality, its method of use and coated substrates made therewith.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: December 19, 2000
    Assignee: Cook Composites and Polymers Co.
    Inventors: Steve Boucher, Paul Whyzmuzis, deceased, Brenda Taipale, George A Smith, Joseph Sinka, Feng Ching