Patents by Inventor Zhengming Tang

Zhengming Tang 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: 11820855
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one cyclic 1,3-diketone and at least one aminoalcohol or alkylhydroxylamine. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: November 21, 2023
    Inventors: Hongliang Chen, Zhengming Tang, Jian Zou, Shaoguang Feng, Degang Zhang, Ping Zhang
  • Publication number: 20230313014
    Abstract: A process includes immersing a device in a cooling fluid, the cooling fluid comprising an alkyl modified silicone oil having the following average chemical structure (I) : (CH 3) 3SiO- [ (CH 3) 2) SiO] m- [R (CH 3) SiO] n-Si (CH 3) 3 (I) where: R in each occurrence is an alkyl or substituted alkyl having 6 or more and at the same time 17 or fewer carbon atoms; subscript m has a value of one or higher and at the same time less than 22, subscript n has a value of one or higher, and the sum of m+n is greater than 5 and at the same time less than 50.
    Type: Application
    Filed: October 14, 2021
    Publication date: October 5, 2023
    Inventors: Zhengming Tang, Shreyas Bhide, Hongyu Chen, Peng Wei, Patricia Ansems Bancroft, Zhihua Liu, Son Phan
  • Publication number: 20230141792
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one iso-cyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, a certain ?-diketone compound and a water-soluble amino-functional polymer. Foams so produced emit low levels of aldehydes.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 11, 2023
    Inventors: Wenbin BAO, Shaoguang Feng, Haiying Li, Ping Zhang, Zhengming Tang, Jian Zou, Jie Ji
  • Patent number: 11603428
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, a polyethyleneamine mixture having a number average molecular weight of 175 to 450 and an alkali metal, phosphonium or ammonium sulfite. Foams so produced emit low levels of formaldehyde, acetaldehyde, acrolein and propionaldehyde.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: March 14, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Zhengming Tang, Jian Zou, Shaoguang Feng, Yuji Sasaki, Hongliang Chen, Haiying Li, Degang Zhang, Ping Zhang
  • Publication number: 20230022605
    Abstract: One-part condensation curable silyl-modified polymer (SMP) based sealant compositions in particular one-part condensation curable SMP based sealant compositions containing a catalyst comprising (i) a titanate and/or zirconate and (ii) a metal carboxylate salt which compositions upon cure provide elastomeric sealants having low modulus and a high elastic recovery.
    Type: Application
    Filed: December 17, 2019
    Publication date: January 26, 2023
    Inventors: Zhiping ZENG, Yi GUO, Nanguo LIU, Nick SHEPHARD, Xing WEI, Jiang PENG, Song GAO, Zhengming TANG, Hongyu CHEN
  • Publication number: 20220389295
    Abstract: Described is a curable composition, and particularly a two-component composition comprising a silane modified polymer; an epoxy resin terminated with epoxy terminal group; wherein the composition further comprises a hardening agent and a compatibilizer which has at least one silane group and at least one epoxy terminal group. The curable composition exhibits enhanced adhesion strength and good elongation at break. A method for applying the curable composition on the surface of a substrate is also provided.
    Type: Application
    Filed: November 15, 2019
    Publication date: December 8, 2022
    Inventors: Zhengming Tang, Yongchun Chen, Xiuqing Xu, Hongyu Chen, Xuemei Zhai, Ke Shi, Nan Wang, Qingwei Meng
  • Publication number: 20220389276
    Abstract: Described is a curable composition, and particularly a two-component composition comprising a silane modified polymer; an epoxy resin terminated with epoxy terminal group; wherein the composition further comprises a hardening-compatibilizing agent which has at least one silane group and at least two amine groups. The curable composition exhibits enhanced adhesion strength and good elongation at break. A method for applying the curable composition on the surface of a substrate is also provided.
    Type: Application
    Filed: November 15, 2019
    Publication date: December 8, 2022
    Inventors: Zhengming Tang, Yongchun Chen, Xiuqing Xu, Hongyu Chen, Ke Shi, Nan Wang, Qingwei Meng
  • Publication number: 20220380515
    Abstract: Described is a curable composition comprising a silane modified polymer; an epoxy resin terminated with epoxy terminal group; a compatibilizer having at least one silane group and at least one epoxy terminal group or at least one nitrogen-containing groups; and optionally a hardening agent; wherein the composition further optionally comprises at least one of a nitrogen-containing unsaturated heterocyclic compound catalyst and a nitrogen-containing phenol catalyst. The curable composition exhibits high hermeticity, fast curing speed, quick adhesion build up, dry surface and strong adhesion strength. A method for applying the curable composition on the surface of a substrate is also provided.
    Type: Application
    Filed: November 15, 2019
    Publication date: December 1, 2022
    Inventors: Yongchun Chen, Zhengming Tang, Hongyu Chen, Jian Kang, Xiuqing Xu, Nan Wang, Qingwei Meng, Chuanwei Zuo
  • Publication number: 20220363856
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, and a certain 3-oxopropanamide compound. Foams so produced emit low levels of aldehydes.
    Type: Application
    Filed: August 30, 2019
    Publication date: November 17, 2022
    Inventors: Haiying Li, Shaoguang Feng, Wenbin Bao, Ping Zhang, Jie Ji, Jian Zou, Zhengming Tang
  • Patent number: 11479650
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one cyclic 1,3-diketone compound, at least one aminoalcohol or alkylhydroxylamine and an alkali metal, phosphonium or ammonium sulfite. Foams so produced emit low levels of formaldehyde, acetaldehyde, acrolein and propionaldehyde.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: October 25, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Zhengming Tang, Jian Zou, Shaoguang Feng, Yuji Sasaki, Hongliang Chen, Degang Zhang, Ping Zhang
  • Patent number: 11453742
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant, at least one catalyst, and certain aldehyde-suppressing additives. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: September 27, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Zhengming Tang, Hongliang Chen, Jian Zou, Shaoguang Feng, Degang Zhang, Ping Zhang
  • Patent number: 11316114
    Abstract: The present invention relates to an organic EL device comprising an electron buffer material, and a first electrode, a second electrode opposing the first electrode, a light-emitting layer disposed between the two electrodes, and an electron transport zone and an electron buffer layer disposed between the light-emitting layer and the second electrode. By using an electron buffer material according to the present invention, the organic EL device having low driving voltage, high luminous efficiency, and excellent lifespan can be provided.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: April 26, 2022
    Assignees: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Sang Hee Cho, Hong Yeop Na, Zhengming Tang, Shaoguang Feng, Doo-Hyeon Moon
  • Publication number: 20220069225
    Abstract: The present invention relates to a polymeric charge transfer layer comprising a polymer. The polymer comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. The present invention further relates to an organic electronic device especially an organic light emitting device containing the polymeric charge transfer layer.
    Type: Application
    Filed: October 27, 2015
    Publication date: March 3, 2022
    Inventors: Liam P. Spencer, Chun Liu, Minrong Zhu, Nolan T. McDougal, Shaoguang Feng, Peter Trefonas, III, David D. Devore, Zhengming Tang, Jiansheng Feng, Anatoliy N. Sokolov
  • Publication number: 20210309789
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant, at least one catalyst, and certain aldehyde-suppressing additives. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.
    Type: Application
    Filed: August 2, 2018
    Publication date: October 7, 2021
    Inventors: Zhengming Tang, Hongliang Chen, Jian Zou, Shaoguang Feng, Degang Zhang, Ping Zhang
  • Patent number: 11136444
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one polyacetoacetate compound and least one antioxidant. Foams so produced emit low levels of both formaldehyde and acetaldehyde.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: October 5, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Jiguang Zhang, Shaoguang Feng, Michael T. Malanga, Zhengming Tang, Wenbin Yao, Degang Zhang, Ping Zhang, Jian Zou
  • Publication number: 20210301065
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, a polyethyleneamine mixture having a number average molecular weight of 175 to 450 and an alkali metal, phosphonium or ammonium sulfite. Foams so produced emit low levels of formaldehyde, acetaldehyde, acrolein and propionaldehyde.
    Type: Application
    Filed: August 2, 2018
    Publication date: September 30, 2021
    Inventors: Zhengming Tang, Jian Zou, Shaoguang Feng, Yuji Sasaki, Hongliang Chen, Haiying Li, Degang Zhang, Ping Zhang
  • Publication number: 20210292508
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one cyclic 1,3-diketone compound, at least one aminoalcohol or alkylhydroxylamine and an alkali metal, phosphonium or ammonium sulfite. Foams so produced emit low levels of formaldehyde, acetaldehyde, acrolein and propionaldehyde.
    Type: Application
    Filed: August 2, 2018
    Publication date: September 23, 2021
    Inventors: Zhengming Tang, Jian Zou, Shaoguang Feng, Yuji Sasaki, Hongliang Chen, Degang Zhang, Ping Zhang
  • Publication number: 20210210691
    Abstract: Polymeric layers suitable for organic layers of electronic devices that show reduced driving voltage and/or increased luminous efficiency.
    Type: Application
    Filed: December 24, 2015
    Publication date: July 8, 2021
    Inventors: Minrong Zhu, Jichang Feng, Jing Jing Yan, Zhengming Tang, Shaoguang Feng, Hua Ren, Hong Yeop Na, Yoo-Jin Doh, Yuchen Liu, David D. Devore, Peter Trefonas, III, Liam P. Spencer
  • Publication number: 20210189054
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one cyclic 1,3-diketone and at least one aminoalcohol or alkylhydroxylamine. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.
    Type: Application
    Filed: August 2, 2018
    Publication date: June 24, 2021
    Inventors: Hongliang Chen, Zhengming Tang, Jian Zou, Shaoguang Feng, Degang Zhang, Ping Zhang
  • Publication number: 20210163670
    Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one acetoacetate ester or amide and at least one aminoalcohol or alkylhydroxylamine. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.
    Type: Application
    Filed: August 2, 2018
    Publication date: June 3, 2021
    Inventors: Zhengming TANG, Hongliang Chen, Jian Zou, Shaoguang Feng, Steven Zhang, Degang Zhang, Ping Zhang