Patents by Inventor Kathleen Auld

Kathleen Auld 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).

  • Amphoteric polymer composition
    Patent number: 10160880
    Abstract: The present invention relates to a composition comprising an amphoteric polymer having pendant acid groups, or salts thereof, and pendant mono- or dialkylamino ethylene oxide groups or alkylammonium ethylene oxide groups characterized by either of the following formulas: where R1-R3 and X? are as defined herein. The composition of the present invention improves hiding efficiency for coating compositions formulated using associative rheology modifiers, binders, and titanium dioxide.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: December 25, 2018
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Kathleen A. Auld, Ward T. Brown, Kevin J. Henderson, Anurima Singh, Antony K. Van Dyk, Lidaris San Miguel Rivera
  • Method of making polymer encapsulated titanium dioxide particles
    Patent number: 9371466
    Abstract: A process for encapsulating TiO2 particles by polymerizing sodium styrene sulfonate with a redox initiator system; then polymerizing a first monomer mixture comprising at least 60 wt % acrylic monomers; then polymerizing a second monomer mixture comprising at least 40 wt % vinyl ester monomers.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: June 21, 2016
    Assignee: Rohm and Haas Company
    Inventors: Kathleen A. Auld, James Keith Bardman, Michele Heffner, David G. Kelly, Michael Rhodes
  • Binder thickened with xanthan gum
    Patent number: 9156975
    Abstract: The present invention relates to a composition comprising an aqueous dispersion of xanthan gum and opacifying pigment particles such as TiO2 encapsulated with a vinyl ester polymer or a vinyl ester-acrylate copolymer, as well as a method for its preparation. The composition is useful in coatings formulations, especially paint formulations.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: October 13, 2015
    Assignee: Rohm and Haas Company
    Inventors: Kathleen Auld, Ward Thomas Brown
  • POLYMER ENCAPSULATED TITANIUM DIOXIDE PARTICLES
    Publication number: 20150079397
    Abstract: A process for encapsulating TiO2 particles by polymerizing sodium styrene sulfonate with a redox initiator system; then polymerizing a first monomer mixture comprising at least 60 wt % acrylic monomers; then polymerizing a second monomer mixture comprising at least 40 wt % vinyl ester monomers.
    Type: Application
    Filed: September 11, 2014
    Publication date: March 19, 2015
    Inventors: Kathleen A. Auld, James Keith Bardman, Michele Heffner, David G. Kelly, Michael Rhodes
  • BINDER THICKENED WITH XANTHAN GUM
    Publication number: 20150051321
    Abstract: The present invention relates to a composition comprising an aqueous dispersion of xanthan gum and opacifying pigment particles such as TiO2 encapsulated with a vinyl ester polymer or a vinyl ester-acrylate copolymer, as well as a method for its preparation. The composition is useful in coatings formulations, especially paint formulations.
    Type: Application
    Filed: March 20, 2013
    Publication date: February 19, 2015
    Applicant: Rohm and Haas Company
    Inventors: Kathleen Auld, Ward Thomas Brown
  • Phenoxyphenyl polysiloxane composition and method for making and using same
    Patent number: 8637627
    Abstract: A curable phenoxyphenyl polysiloxane composition is disclosed. A cured phenoxyphenyl polysiloxane composition is further disclosed, along with a method of making that cured phenoxyphenyl polysiloxane composition from the curable phenoxyphenyl silicon composition. An encapsulated semiconductor device, and a method of making that encapsulated semiconductor device by coating a semiconductor element of a semiconductor device with cured phenoxyphenyl polysiloxane are further disclosed.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: January 28, 2014
    Assignee: Rohm and Haas Company
    Inventors: Kathleen A. Auld, David M. Conner, Garo Khanarian, David Wayne Mosley
  • Phenoxyphenyl polysiloxane composition and method for making and using same
    Publication number: 20090146324
    Abstract: A curable phenoxyphenyl polysiloxane composition is disclosed. A cured phenoxyphenyl polysiloxane composition is further disclosed, along with a method of making that cured phenoxyphenyl polysiloxane composition from the curable phenoxyphenyl silicon composition. An encapsulated semiconductor device, and a method of making that encapsulated semiconductor device by coating a semiconductor element of a semiconductor device with cured phenoxyphenyl polysiloxane are further disclosed.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 11, 2009
    Applicant: Rohm and Haas Company
    Inventors: Kathleen A. Auld, David M. Conner, Garo Khanarian, David Wayne Mosley