Patents by Inventor Wanchao Jiang

Wanchao Jiang 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: 11667806
    Abstract: Methods of reducing the release of volatile organic compounds (VOCs) into the Earth's atmosphere during coating operations are provided, as well as a coating composition comprising a carrier and one or more fluorocopolymers. The carrier comprises VOC compounds and the one or more fluorocopolymers is produced by copolymerization of (1) a first monomer selected from the group consisting of hydrofluoroalkenes, (2) a second monomer comprising vinyl ester(s), and (3) a third monomer comprising vinyl ether(s), wherein at least a portion of the vinyl ether monomer is a hydroxyl group-containing vinyl ether, and wherein the one or more fluorocopolymers comprise at least about 70% by weight of the coating composition and the VOC portion of the carrier is not greater than about 30% by weight of the coating composition.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: June 6, 2023
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Wanchao Jiang, Rajiv Ratna Singh, Gang Xu, Siyuan Zhang, Yun Lin
  • Patent number: 11453731
    Abstract: The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: September 27, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Wanchao Jiang, Shijun Feng, Siyuan Zhang, Yun Lin, Andrew J. Poss
  • Publication number: 20220041884
    Abstract: Methods of reducing the release of volatile organic compounds (VOCs) into the Earth's atmosphere during coating operations are provided, as well as a coating composition comprising a carrier and one or more fluorocopolymers. The carrier comprises VOC compounds and the one or more fluorocopolymers is produced by copolymerization of (1) a first monomer selected from the group consisting of hydrofluoroalkenes, (2) a second monomer comprising vinyl ester(s), and (3) a third monomer comprising vinyl ether(s), wherein at least a portion of the vinyl ether monomer is a hydroxyl group-containing vinyl ether, and wherein the one or more fluorocopolymers comprise at least about 70% by weight of the coating composition and the VOC portion of the carrier is not greater than about 30% by weight of the coating composition.
    Type: Application
    Filed: September 6, 2021
    Publication date: February 10, 2022
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: WANCHAO JIANG, RAJIV RATNA SINGH, GANG XU, SIYUAN ZHANG, YUN LIN
  • Patent number: 11225585
    Abstract: Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: January 18, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Linlin Duan, Wanchao Jiang, Gang Xu, Siyuan Zhang, Rajiv Banavali, Zhe Ding, Shuwen Peng
  • Patent number: 11111405
    Abstract: Methods of reducing the release of volatile organic compounds (VOCs) into the Earth's atmosphere during coating operations are provided, as well as a coating composition comprising a carrier and one or more fluorocopolymers. The carrier comprises VOC compounds and the one or more fluorocopolymers is produced by copolymerization of (1) a first monomer selected from the group consisting of hydrofluoroalkenes, (2) a second monomer comprising vinyl ester(s), and (3) a third monomer comprising vinyl ether(s), wherein at least a portion of the vinyl ether monomer is a hydroxyl group-containing vinyl ether, and wherein the one or more fluorocopolymers comprise at least about 70% by weight of the coating composition and the VOC portion of the carrier is not greater than about 30% by weight of the coating composition.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: September 7, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Wanchao Jiang, Rajiv Ratna Singh, Gang Xu, Siyuan Zhang, Yun Lin
  • Patent number: 11015005
    Abstract: Disclosed are copolymers formed by copolymerization of: (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, and preferably selected from 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, with said 1,3,3,3-tetrafluoropropene preferably comprising, consisting essentially of or consisting of trans-1,3,3,3-tetrafluoropropene, and combinations of these, and (2) one or more chlorofluoroethylene monomers, preferably chlorotrifluoroethylene (“CTFE”) monomers, wherein the mole ratio of monomer (1) to monomer (2) is preferably from about 30:1 to about 1:30.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: May 25, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Gang Xu, Siyuan Zhang, Wanchao Jiang, Linlin Duan, Zhe Ding
  • Publication number: 20210087308
    Abstract: The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.
    Type: Application
    Filed: December 8, 2020
    Publication date: March 25, 2021
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: WANCHAO JIANG, SHIJUN FENG, SIYUAN ZHANG, YUN LIN, ANDREW J. POSS
  • Publication number: 20200199394
    Abstract: Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.
    Type: Application
    Filed: October 3, 2019
    Publication date: June 25, 2020
    Inventors: Linlin Duan, Wanchao Jiang, Gang Xu, Siyuan Zhang, Rajiv Banavali, Zhe Ding, Shewen Shuwen Peng
  • Publication number: 20190382513
    Abstract: The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 19, 2019
    Inventors: Wanchao Jiang, Shijun Feng, Siyuan Zhang, Tun Lin, Andrew J. Poss
  • Patent number: 10435580
    Abstract: Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 8, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Linlin Duan, Wanchao Jiang, Gang Xu, Siyuan Zhang, Rajiv Banavali, Zhe Ding, Shuwen Peng
  • Publication number: 20190169338
    Abstract: Copolymers formed by copolymerization of: (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these; (2) one or more aromatic vinyl ester monomer(s); (3) one or more vinyl ester monomer(s); and (4) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 6, 2019
    Inventors: Gang Xu, Wanchao Jiang, Siyuan Zhang, Linlin Duan, Zhe Ding
  • Publication number: 20190169337
    Abstract: A process of producing an endcapped fluorocopolymer including the forming of a fluorocopolymer by copolymerization of: (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these; (2) one or more vinyl ester monomer(s); and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer; and at the end of copolymerization, reacting a radical transfer agent, preferably methanol, with the fluorocopolymer to produce the endcapped fluorocopolymer, preferably containing ether end groups.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 6, 2019
    Inventors: Gang Xu, Wanchao Jiang, Siyuan Zhang, Linlin Duan, Zhe Ding
  • Patent number: 10189918
    Abstract: The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: January 29, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Wanchao Jiang, Shijun Feng, Siyuan Zhang, Yun Lin, Andrew J. Poss
  • Patent number: 10150889
    Abstract: Poly fluorine-containing siloxane coatings having improved hydrophobic and oleophobic properties and solutions for creating such coatings are provided. In some embodiments, the coating includes a polymer having a plurality of Si—O—Si linkages; and at least two fluorine-containing moieties, each attached to at least one of the Si—O—Si linkages. Each fluorine-containing moiety independently includes a linking portion attached to a silicon of one of the Si—O—Si linkages, wherein the linking portion is of a formula selected from the group consisting of: —[CH2]a— where a is an integer from 1 to 10 and —[CH2]bCONH[CH2]c— where b and c are independently an integer from 0 to 10. Each fluorine-containing moiety also independently includes a fluorinated portion attached to the linking portion, wherein the fluorinated portion is selected from a fluorinated-alkyl group having 1-10 carbon atoms and a perfluoro-ether containing organic group.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: December 11, 2018
    Assignee: Honeywell International Inc.
    Inventors: Ya Qun Liu, Bright Zhang, Huifeng Duan, Wanchao Jiang, Yunzi Jiang, Zhe Ding, David K. Chen, Yanming Shen, Wei Jun Wang
  • Publication number: 20180112019
    Abstract: Disclosed are LEDs and LED packages, and methods of making them, having improved resistance to infiltration by chemical entities comprising providing a coating on at least a portion of the LED chip or an LED chip package formed by co-polymerization of: (a) one or more hydrofluoroolefin monomer(s) selected from the group consisting of tetrafluoroethylene, hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these; (b) optionally one or more chlorofluoroethylene monomers; (c) optionally one or more vinyl ester monomer(s); and (d) optionally one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is preferably a hydroxyl group-containing vinyl ether monomer and preferably at least one of (b) and (d) is present.
    Type: Application
    Filed: May 3, 2017
    Publication date: April 26, 2018
    Inventors: Ya Qun Lin, Wanchao Jiang, Gang Xu, Linlin Duan, Siyuan Zhang, Zhe Ding
  • Publication number: 20180081084
    Abstract: Anti-reflective (AR) coatings and methods for applying AR coatings to substrates, such as optical lenses. The coating may include a polyurethane base layer and a fluoropolymer top layer. The base layer may protect the underlying substrate, promote adhesion between the top layer and the underlying substrate, and achieve index-matching with the underlying substrate. The method may involve an inexpensive and efficient solution coating process.
    Type: Application
    Filed: September 19, 2017
    Publication date: March 22, 2018
    Inventors: Shaopeng Zhu, Philip M. Johnson, Jon F. Nebo, Wanchao Jiang, Siyuan Zhang, Gang Xu, Linan Zhao
  • Publication number: 20170247562
    Abstract: Disclosed are methods of reducing the release of volatile organic compounds (VOCs) into the earth's atmosphere during coating operations providing a coating composition comprising a carrier comprising VOC compounds and one or more fluorocopolymers by copolymerization of (1) first monomer selected from the group consisting of hydrofluoroalkenes, (2) second monomer comprising vinyl ester(s), and (3) third monomer comprising vinyl ether(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether, wherein the fluorocopolymer comprises at least about 70% by weight of said coating composition and the VOC portion of said carrier is not greater than about 30% by weight of said coating composition.
    Type: Application
    Filed: September 9, 2015
    Publication date: August 31, 2017
    Inventors: Wanchao JIANG, Rajiv Ratna SINGH, Gang XU, Siyuan ZHANG, Yun LIN
  • Publication number: 20170218097
    Abstract: The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.
    Type: Application
    Filed: April 3, 2017
    Publication date: August 3, 2017
    Inventors: Wanchao Jiang, Shijun Feng, Siyuan Zhang, Yun Lin, Andrew J. Poss
  • Publication number: 20170145241
    Abstract: Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 25, 2017
    Inventors: Linlin Duan, Wanchao Jiang, Gang Xu, Siyuan Zhang, Rajiv Banavali, Zhe Ding, Shuwen Peng
  • Publication number: 20170145132
    Abstract: Disclosed are copolymers formed by copolymerization of: (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, and preferably selected from 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, with said 1,3,3,3-tetrafluoropropene preferably comprising, consisting essentially of or consisting of trans-1,3,3,3-tetrafluoropropene, and combinations of these, and (2) one or more chlorofluoroethylene monomers, preferably chlorotrifluoroethylene (“CTFE”) monomers, wherein the mole ratio of monomer (1) to monomer (2) is preferably from about 30:1 to about 1:30.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 25, 2017
    Inventors: Gang Xu, Siyuan Zhang, Wanchao Jiang, Linlin Duan, Zhe Ding