Patents by Inventor Qiaoqiao Cai

Qiaoqiao Cai 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).

  • Binder composition and coating composition made thereof
    Patent number: 10723905
    Abstract: A new binder composition comprising, by dry weight based on the total dry weight of the binder composition, i) from 93% to 99.96% of polymer particles comprising, as polymerized units, by dry weight based on the total weight of the polymer particles, from 25% to 95% of a vinyl acetate; and from 5% to 75% of a vinyl ester of versatic acid and/or a vinyl ester of 2-ethyl hexanoic acid; and ii) from 0.04% to 7% of a low water soluble cyclodextrin.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: July 28, 2020
    Assignee: Rohm and Haas Company
    Inventors: Qiaoqiao Cai, Tingke Zhang, Alvin M. Maurice
  • Coating composition with improved liquid stain repellency
    Patent number: 10233348
    Abstract: A new coating composition comprising, by dry weight based on the total dry weight of the coating composition, i) from 12% to 80% of polymer particles comprising, as polymerized units, by dry weight based on the total dry weight of the polymer particles, from 25% to 90%, of a vinyl acetate; and from 5% to 75%, of a vinyl ester of versatic acid and/or a vinyl ester of 2-ethyl hexanoic acid; and ii) from 0.1% to 6% of a wax; and iii) from 14% to 55% of a pigment.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: March 19, 2019
    Assignee: Rohm and Haas Company
    Inventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
  • Coating composition with improved liquid stain repellency and process for making the same
    Patent number: 10005921
    Abstract: A new coating composition comprising, by dry weight based on the total dry weight of the coating composition, i) from 12% to 80% of polymer particles comprising, as polymerized units, by dry weight based on the total dry weight of the polymer particles, from 3% to 70% of a vinyl acetate; from 2% to 65% of a styrene; and from 20% to 55% of (meth)acrylate monomers; ii) from 0.1% to 6% of a wax; and iii) from 14% to 55% of a pigment. A process for making the coating composition.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: June 26, 2018
    Assignee: ROHM AND HAAS COMPANY
    Inventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
  • Adsorbing vinyl ester binders
    Patent number: 9676932
    Abstract: The present invention relates to a composition of a stable aqueous dispersion of polymer particles comprising structural units of a) vinyl acetate; b) a vinyl ester of a branched carboxylic acid monomer; and c) a phosphorus acid monomer. The composition of the present invention provides vinyl ester/phosphorus acid based polymer particles that improve hiding efficiency in pigmented coatings formulations.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: June 13, 2017
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Qiaoqiao Cai, Junyu Chen, Xiangting Dong, Tingke Zhang, James C. Bohling
  • BINDER COMPOSITION AND COATING COMPOSITION MADE THEREOF
    Publication number: 20160237300
    Abstract: A new binder composition comprising, by dry weight based on the total dry weight of the binder composition, i) from 93% to 99.96% of polymer particles comprising, as polymerized units, by dry weight based on the total weight of the polymer particles, from 25% to 95% of a vinyl acetate; and from 5% to 75% of a vinyl ester of versatic acid and/or a vinyl ester of 2-ethyl hexanoic acid; and ii) from 0.04% to 7% of a low water soluble cyclodextrin.
    Type: Application
    Filed: October 10, 2013
    Publication date: August 18, 2016
    Inventors: Qiaoqiao Cai, Tingke Zhang, Alvin M. Maurice
  • COATING COMPOSITION WITH IMPROVED LIQUID STAIN REPELLENCY
    Publication number: 20160230034
    Abstract: A new coating composition comprising, by dry weight based on the total dry weight of the coating composition, i) from 12% to 80% of polymer particles comprising, as polymerized units, by dry weight based on the total dry weight of the polymer particles, from 25% to 90%, of a vinyl acetate; and from 5% to 75%, of a vinyl ester of versatic acid and/or a vinyl ester of 2-ethyl hexanoic acid; and ii) from 0.1% to 6% of a wax; and iii) from 14% to 55% of a pigment.
    Type: Application
    Filed: October 10, 2013
    Publication date: August 11, 2016
    Inventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
  • COATING COMPOSITION WITH IMPROVED LIQUID STAIN REPELLENCY AND PROCESS FOR MAKING THE SAME
    Publication number: 20160222246
    Abstract: A new coating composition comprising, by dry weight based on the total dry weight of the coating composition, i) from 12% to 80% of polymer particles comprising, as polymerized units, by dry weight based on the total dry weight of the polymer particles, from 3% to 70% of a vinyl acetate; from 2% to 65% of a styrene; and from 20% to 55% of (meth)acrylate monomers; ii) from 0.1% to 6% of a wax; and iii) from 14% to 55% of a pigment. A process for making the coating composition.
    Type: Application
    Filed: October 10, 2013
    Publication date: August 4, 2016
    Applicant: Rohm and Haas Company
    Inventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
  • Adsorbing vinyl acetate binders
    Patent number: 9346970
    Abstract: The present invention relates to a composition comprising and a method for preparing a stable aqueous dispersion of polymer particles comprising structural units of vinyl acetate and a phosphorous acid monomer. The composition of the present invention provides vinyl acetate/phosphorus acid based polymer particles that improve hiding efficiency in pigmented coatings formulations.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: May 24, 2016
    Assignee: Rohm and Haas Company
    Inventors: James C. Bohling, Qiaoqiao Cai, Edwin H. Nungesser, Morris C. Wills, Tingke Zhang
  • ADSORBING VINYL ESTER BINDERS
    Publication number: 20150191589
    Abstract: The present invention relates to a composition of a stable aqueous dispersion of polymer particles comprising structural units of a) vinyl acetate; b) a vinyl ester of a branched carboxylic acid monomer; and c) a phosphorus acid monomer. The composition of the present invention provides vinyl ester/phosphorus acid based polymer particles that improve hiding efficiency in pigmented coatings formulations.
    Type: Application
    Filed: August 2, 2012
    Publication date: July 9, 2015
    Inventors: Qiaoqiao Cai, Junyu Chen, Xiangting Dong, Tingke Zhang, James C. Bohling
  • ADSORBING VINYL ACETATE BINDERS
    Publication number: 20150112016
    Abstract: The present invention relates to a composition comprising and a method for preparing a stable aqueous dispersion of polymer particles comprising structural units of vinyl acetate and a phosphorous acid monomer. The composition of the present invention provides vinyl acetate/phosphorus acid based polymer particles that improve hiding efficiency in pigmented coatings formulations.
    Type: Application
    Filed: May 4, 2012
    Publication date: April 23, 2015
    Inventors: James C. Bohling, Qiaoqiao Cai, Edwin H. Nungesser, Morris C. Wills, Tingke Zhang