Patents by Inventor Tingke Zhang

Tingke Zhang 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: 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
  • 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
  • Patent number: 10023662
    Abstract: A new and efficient toxicity and/or odor reducing method for ethyl acrylate and/or acrylonitrile containing aqueous polymer dispersion is disclosed, which comprises contacting a sufficient amount of an ethyl acrylate/acrylonitrile scavenging compound with a stable aqueous dispersion of a polymer to form a polymeric dispersion that contains less than 1 ppm of ethyl acrylate and less than 1 ppm acrylonitrile; wherein the polymer contains a) polymerized units of acylonitrile and/or ethyl acrylate and b) at least 5 ppm of ethyl acrylate and/or acrylonitrile monomers; and wherein the ethyl acrylate/acrylonitrile scavenging compound are contacted with the dispersion independently from contact of the dispersion with any redox pairs.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: July 17, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Tingke Zhang, Jitao Chen, Minghe Li
  • 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
  • Publication number: 20170190809
    Abstract: A new and efficient toxicity and/or odor reducing method for ethyl acrylate and/or acrylonitrile containing aqueous polymer dispersion is disclosed, which comprises contacting a sufficient amount of an ethyl acrylate/acrylonitrile scavenging compound with a stable aqueous dispersion of a polymer to form a polymeric dispersion that contains less than 1 ppm of ethyl acrylate and less than 1 ppm acrylonitrile; wherein the polymer contains a) polymerized units of acylonitrile and/or ethyl acrylate and b) at least 5 ppm of ethyl acrylate and/or acrylonitrile monomers; and wherein the ethyl acrylate/acrylonitrile scavenging compound are contacted with the dispersion independently from contact of the dispersion with any redox pairs.
    Type: Application
    Filed: November 2, 2016
    Publication date: July 6, 2017
    Inventors: Tingke Zhang, Jitao Chen, Minghe Li
  • 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
  • Patent number: 9512241
    Abstract: The present invention relates to a new and efficient toxicity and/or odor reducing method for ethyl acrylate and/or acrylonitrile contained aqueous polymer dispersion.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: December 6, 2016
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Tingke Zhang, Jitao Chen, Minghe Li
  • Patent number: 9441116
    Abstract: The present invention relates generally to an aqueous polymer dispersion and a coating composition made thereof, especially to a “green” antibacterial polymer dispersion with improved color stability property upon exposure to heat and/or light, and the coating composition made thereof.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: September 13, 2016
    Assignee: Rohm and Haas Company
    Inventors: Tingke Zhang, Qingwei Zhang
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20140256851
    Abstract: The present invention relates to a new and efficient toxicity and/or odor reducing method for ethyl acrylate and/or acrylonitrile contained aqueous polymer dispersion.
    Type: Application
    Filed: October 24, 2011
    Publication date: September 11, 2014
    Inventors: Tingke Zhang, Jitao Chen, Minghe Li
  • Publication number: 20140213692
    Abstract: The present invention relates generally to an aqueous polymer dispersion and a coating composition made thereof, especially to a “green” antibacterial polymer dispersion with improved color stability property upon exposure to heat and/or light, and the coating composition made thereof.
    Type: Application
    Filed: October 11, 2011
    Publication date: July 31, 2014
    Applicant: ROHM AND HAAS COMPANY
    Inventors: Tingke Zhang, Qingwei Zhang
  • Patent number: 8772386
    Abstract: The present invention provides an aqueous copolymer dispersion comprising a copolymer and a polyamine, the copolymer comprises, as copolymerized units, at least one nonionic monomer selected from (meth)acrylate C6-C22 alkyl ester or Versatic vinyl ester; wherein the amount of the nonionic monomer ranges from 15% to less than 50% and wherein the amount of the polyamine ranges from 0.1 to 2%, by dry weight percentage based on the dry weight of the copolymer. The copolymer dispersion is suitable for use in coating compositions such as stone paints with significant improvement of water whitening resistance.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: July 8, 2014
    Assignee: Rohm and Haas Company
    Inventors: Jianming Xu, Tingke Zhang, Hui Liu
  • Publication number: 20120264859
    Abstract: The present invention provides an aqueous copolymer dispersion comprising a copolymer and a polyamine, the copolymer comprises, as copolymerized units, at least one nonionic monomer selected from (meth)acrylate C6-C22 alkyl ester or Versatic vinyl ester; wherein the amount of the nonionic monomer ranges from 15% to less than 50% and wherein the amount of the polyamine ranges from 0.1 to 2%, by dry weight percentage based on the dry weight of the copolymer. The copolymer dispersion is suitable for use in coating compositions such as stone paints with significant improvement of water whitening resistance.
    Type: Application
    Filed: April 17, 2012
    Publication date: October 18, 2012
    Inventors: Jianming XU, Tingke ZHANG, Hui LIU
  • Patent number: 8217102
    Abstract: A low odor aqueous styrene containing polymer dispersions comprising low level acetoacetoxy or acetoacetamide functional group in monomer or as non-polymeric additive with high boiling point organic amine is provided. The aqueous polymer dispersion is useful for preparing low odor coatings.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: July 10, 2012
    Assignee: Rohm and Haas Company
    Inventors: James C. Bohling, Steven S. Edwards, Alvin M. Maurice, Tingke Zhang
  • Publication number: 20110160368
    Abstract: A low odor aqueous styrene containing polymer dispersions comprising low level acetoacetoxy or acetoacetamide functional group in monomer or as non-polymeric additive with high boiling point organic amine is provided. The aqueous polymer dispersion is useful for preparing low odor coatings.
    Type: Application
    Filed: December 20, 2010
    Publication date: June 30, 2011
    Inventors: James C. BOHLING, Steven S. Edwards, Alvin M. Maurice, Tingke Zhang