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).
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Patent number: 10723905Abstract: 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: GrantFiled: October 10, 2013Date of Patent: July 28, 2020Assignee: Rohm and Haas CompanyInventors: Qiaoqiao Cai, Tingke Zhang, Alvin M. Maurice
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Patent number: 10233348Abstract: 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: GrantFiled: October 10, 2013Date of Patent: March 19, 2019Assignee: Rohm and Haas CompanyInventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
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Patent number: 10023662Abstract: 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: GrantFiled: November 2, 2016Date of Patent: July 17, 2018Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Tingke Zhang, Jitao Chen, Minghe Li
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Patent number: 10005921Abstract: 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: GrantFiled: October 10, 2013Date of Patent: June 26, 2018Assignee: ROHM AND HAAS COMPANYInventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
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Publication number: 20170190809Abstract: 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: ApplicationFiled: November 2, 2016Publication date: July 6, 2017Inventors: Tingke Zhang, Jitao Chen, Minghe Li
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Patent number: 9676932Abstract: 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: GrantFiled: August 2, 2012Date of Patent: June 13, 2017Assignees: Rohm and Haas Company, Dow Global Technologies LLCInventors: Qiaoqiao Cai, Junyu Chen, Xiangting Dong, Tingke Zhang, James C. Bohling
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Patent number: 9512241Abstract: 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: GrantFiled: October 24, 2011Date of Patent: December 6, 2016Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Tingke Zhang, Jitao Chen, Minghe Li
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Patent number: 9441116Abstract: 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: GrantFiled: October 11, 2011Date of Patent: September 13, 2016Assignee: Rohm and Haas CompanyInventors: Tingke Zhang, Qingwei Zhang
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Publication number: 20160237300Abstract: 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: ApplicationFiled: October 10, 2013Publication date: August 18, 2016Inventors: Qiaoqiao Cai, Tingke Zhang, Alvin M. Maurice
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Publication number: 20160230034Abstract: 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: ApplicationFiled: October 10, 2013Publication date: August 11, 2016Inventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
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Publication number: 20160222246Abstract: 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: ApplicationFiled: October 10, 2013Publication date: August 4, 2016Applicant: Rohm and Haas CompanyInventors: Qiaoqiao Cai, Xiangting Dong, Juan Li, Tao Wang, Tingke Zhang
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Patent number: 9346970Abstract: 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: GrantFiled: May 4, 2012Date of Patent: May 24, 2016Assignee: Rohm and Haas CompanyInventors: James C. Bohling, Qiaoqiao Cai, Edwin H. Nungesser, Morris C. Wills, Tingke Zhang
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Publication number: 20150191589Abstract: 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: ApplicationFiled: August 2, 2012Publication date: July 9, 2015Inventors: Qiaoqiao Cai, Junyu Chen, Xiangting Dong, Tingke Zhang, James C. Bohling
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Publication number: 20150112016Abstract: 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: ApplicationFiled: May 4, 2012Publication date: April 23, 2015Inventors: James C. Bohling, Qiaoqiao Cai, Edwin H. Nungesser, Morris C. Wills, Tingke Zhang
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Publication number: 20140256851Abstract: 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: ApplicationFiled: October 24, 2011Publication date: September 11, 2014Inventors: Tingke Zhang, Jitao Chen, Minghe Li
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Publication number: 20140213692Abstract: 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: ApplicationFiled: October 11, 2011Publication date: July 31, 2014Applicant: ROHM AND HAAS COMPANYInventors: Tingke Zhang, Qingwei Zhang
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Patent number: 8772386Abstract: 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: GrantFiled: April 17, 2012Date of Patent: July 8, 2014Assignee: Rohm and Haas CompanyInventors: Jianming Xu, Tingke Zhang, Hui Liu
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Publication number: 20120264859Abstract: 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: ApplicationFiled: April 17, 2012Publication date: October 18, 2012Inventors: Jianming XU, Tingke ZHANG, Hui LIU
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Patent number: 8217102Abstract: 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: GrantFiled: December 20, 2010Date of Patent: July 10, 2012Assignee: Rohm and Haas CompanyInventors: James C. Bohling, Steven S. Edwards, Alvin M. Maurice, Tingke Zhang
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Publication number: 20110160368Abstract: 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: ApplicationFiled: December 20, 2010Publication date: June 30, 2011Inventors: James C. BOHLING, Steven S. Edwards, Alvin M. Maurice, Tingke Zhang