Patents by Inventor Xian Jiang

Xian 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: 11939457
    Abstract: Embodiments are directed to polymer blends and molded articles including polymer blends. Embodiments of the polymer blend may include 1 to 40 wt. % of a crystalline block composite and from 60 wt. % to 99 wt. % of an ionomer formed from a partially neutralized precursor acid copolymer. The crystalline block composite may include an EP-iPP diblock polymer, an isotactic polypropylene homopolymer, and a copolymer of ethylene and propylene. The crystalline block composite may include greater than 50 wt. % of the isotactic polypropylene homopolymer. The precursor acid copolymer may include copolymerized units of ethylene and 5 wt. % to 30 wt. %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms. About 25% to about 65% of the acid groups derived from the ?,?-ethylenically unsaturated carboxylic acid of the precursor acid copolymer may be neutralized.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: March 26, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Xian Jiang, Yushan Hu
  • Patent number: 11926729
    Abstract: Described in embodiments herein are ionomers comprising a neutralized blend of an ethylene acid copolymer, an aliphatic and a mono-functional organic acid. The blend includes from 40 wt % to 95 wt % of the ethylene acid copolymer, from 5 to 50 wt % of the aliphatic, mono-functional organic acid, based on the total weight of the blend. The ethylene acid copolymer is the polymerized reaction product of ethylene, from 1 to 25 wt % of monocarboxylic acid and from 1 to 40 wt % of alkyl acrylate, based on the total weight of the monomers present in the ethylene acid copolymer. The aliphatic, mono-functional organic acid has fewer than 36 carbon atoms. In various embodiments, at least 70 mole % of total acid units are neutralized with both a trivalent cation and either a mono- or di-valent cation.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 12, 2024
    Assignee: Dow Global Technologies LLC
    Inventor: Xian Jiang
  • Publication number: 20230401354
    Abstract: A method and apparatus for determining the low-cycle fatigue of a mechanical component includes acquiring a plurality of cyclic operation conditions of a mechanical component in a plurality of operation cycles; for each of the plurality of operation cycles, calculating a Weibull proportional parameter on the basis of a corresponding cyclic operation condition from among the plurality of cyclic operation conditions; for each of the plurality of operation cycles, calculating the hazard rate of the mechanical component on the basis of the Weibull proportional parameter; and determining the low-cycle fatigue of the mechanical component on the basis of the hazard rate in the plurality of operation cycles, wherein the Weibull proportional parameter is used for describing the geometrical shape and the stress-strain state of the mechanical component.
    Type: Application
    Filed: October 26, 2020
    Publication date: December 14, 2023
    Applicant: Siemens Energy Global GmbH & Co. KG
    Inventor: Zi Xian Jiang
  • Patent number: 11840626
    Abstract: A poly alpha-1,3-glucan compound comprising: a) poly alpha-1,3-glucan, and b) a functionalized polyolefin; wherein said poly alpha-1,3-glucan compound comprises from 0.5 to 70 weight percent of poly alpha-1,3-glucan, based on the total weight of poly alpha-1,3-glucan (a) and functionalized polyolefin (b) in the poly alpha-1,3-glucan compound and wherein said functionalized polyolefin is grafted onto the poly alpha-1,3-glucan. These poly alpha-1,3-glucan compounds have many uses including films for packaging applications and as elastomers for automotive applications.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: December 12, 2023
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Xian Jiang, Vindhya Mishra
  • Patent number: 11834570
    Abstract: A molded article formed from a blend, the blend comprising: from 1 wt. % to 30 wt. % of a polypropylene; and from 60 wt. % to 99 wt. % of an ionomer formed from a partially neutralized precursor acid copolymer, wherein the precursor acid copolymer (a) comprises copolymerized units of ethylene and 5 wt. % to 30 wt. %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms, and (b) has a melt index, I2, (according to ASTM D1238 at 190 C, 2.16 kg) of 10 g/10 min to 4,000 g/10 min, and wherein about 25% to about 65% of the acid groups derived from the ?,?-ethylenically unsaturated carboxylic acid of the precursor acid copolymer are neutralized.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: December 5, 2023
    Assignee: Dow Global Technologies LLC
    Inventor: Xian Jiang
  • Publication number: 20230383058
    Abstract: The present disclosure provides embodiments of a tetrapolymer composition. In embodiments, the tetrapolymer composition may have the formula E/P/X/CO, which may include from 25 wt. % to 90 wt. % of ethylene (E), from 0.1 wt. % to 5.0 wt. % of propylene (P), from 5 wt. % to 40 wt. % of alkyl acrylate (X), and from 3 wt. % to 30 wt. % of carbon monoxide (CO). X may be selected from the group consisting of vinyl acetate or n-butyl acrylate. The tetrapolymer composition may have a melt index, 12, from 10 to 1,000 g/10 min when measured according to ASTM 1238 at 2.16 kg and 190 C. Additionally, the present disclosure provides embodiments of a polymer formulation comprising the tetrapolymer composition and polyvinyl chloride.
    Type: Application
    Filed: October 27, 2021
    Publication date: November 30, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Xian Jiang, Yushan Hu, Wayne C. Whelchel, Bruce M. Hasch, Hayley A. Brown, Seema V. Karande
  • Patent number: 11725000
    Abstract: The invention provides compounds that are inhibitors or covalent modifiers of succinate dehydrogenase subunit B (SDHB) and/or inhibitors of apoptosis, and pharmaceutically acceptable salts, hydrates and stereoisomers thereof. The compounds are employed in pharmaceutical compositions, and methods of making and use, including treating a person in need thereof with an effective amount of the compound or composition.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 15, 2023
    Assignee: National Institute of Biological Sciences, Beijing
    Inventors: Zhiyuan Zhang, Xiaodong Wang, Shaoqiang Huang, Xian Jiang, Li Li, Zhaolan Zhang, Jianguang Han
  • Publication number: 20230203291
    Abstract: Embodiments are directed to polymer compositions and foams including polymer compositions. Embodiments of the polymer composition may include at least 55 wt. %, based on the total weight of the polymer composition, of a polyolefin elastomer having an ethylene content of from greater than 50 wt. % to less than 80 wt. % and a cross-linkable blend comprising: (i) from 1 wt. % to 99 wt. %, based on the total weight of the cross-linkable blend, of an E/X/Y polymer and (ii) from 1 wt. % to 99 wt. %, based on the total weight of the cross-linkable blend, of an epoxycontaining polymer.
    Type: Application
    Filed: April 5, 2021
    Publication date: June 29, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Xian Jiang, Lisa S. Madenjian, Jozef J.I. Van Dun, James R. de Garavilla
  • Publication number: 20230036124
    Abstract: A foam is formed from a composition comprising at least 40 wt. % of an E/X/Y/Z epoxy-containing ethylene interpolymer, where E is an ethylene monomer comprising greater than 50 wt. % of the interpolymer, X is an (meth)acrylate, alkyl (meth)acrylate, or vinyl acetate comprising from 0 to 40 wt. % of the interpolymer, Y is glycidyl methacrylate and comprises 0.5 to 15 wt. % of the interpolymer, and Z is a copolymer unit derived from comonomers selected from the group consisting of carbon monoxide, sulfur dioxide, and acrylonitrile and comprises from 0 to 10 wt. % of the interpolymer; from 0.1 wt. % to 10 wt. % of a chemical blowing agent; from 0.1 wt. % to 10 wt. % of an activator; and less than 0.05 wt. % of a curing agent.
    Type: Application
    Filed: December 21, 2020
    Publication date: February 2, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Jinliang Yan, Haiyang Yu, Xian Jiang, Bo Lyu, Hong Yang
  • Publication number: 20220403151
    Abstract: A polyethylene copolymer blend consisting essentially of (A) an ethylene/unsaturated carboxylic ester bipolymer and (B) an ethylene/unsaturated carboxylic ester/carbon monoxide terpolymer. The polyethylene copolymer blend is defined by constituents (A) and (B) and at least one omitted material that would have otherwise restricted a physical property of the blend. The (A) ethylene/unsaturated carboxylic ester bipolymer is defined by features comprising choice of unsaturated carboxylic ester, unsaturated carboxylic ester comonomeric content in weight percent (wt %), and bipolymer melt index (I2; 190° C., 2.16 kg) in grams per 10 minutes (g/10 min.). The (B) ethylene/unsaturated carboxylic ester/carbon monoxide terpolymer is defined by features comprising choice of unsaturated carboxylic ester, unsaturated carboxylic ester comonomeric content in wt %, carbon monoxide comonomeric content in wt %, and terpolymer melt index (I2; 190° C., 2.16 kg) in g/10 min.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 22, 2022
    Inventors: Yichi Zhang, Raghunath Roy, Wayne C. Whelchel, Barry A. Morris, Xian Jiang
  • Publication number: 20220282075
    Abstract: Embodiments are directed to polymer blends and molded articles including polymer blends. Embodiments of the polymer blend may include 1 to 40 wt. % of a crystalline block composite and from 60 wt. % to 99 wt. % of an ionomer formed from a partially neutralized precursor acid copolymer. The crystalline block composite may include an EP-iPP diblock polymer, an isotactic polypropylene homopolymer, and a copolymer of ethylene and propylene. The crystalline block composite may include greater than 50 wt. % of the isotactic polypropylene homopolymer. The precursor acid copolymer may include copolymerized units of ethylene and 5 wt. % to 30 wt. %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms. About 25% to about 65% of the acid groups derived from the ?,?-ethylenically unsaturated carboxylic acid of the precursor acid copolymer may be neutralized.
    Type: Application
    Filed: August 27, 2020
    Publication date: September 8, 2022
    Inventors: Xian Jiang, Yushan Hu
  • Publication number: 20210309647
    Abstract: The invention provides compounds that are inhibitors or covalent modifiers of succinate dehydrogenase subunit B (SDHB) and/or inhibitors of apoptosis, and pharmaceutically acceptable salts, hydrates and stereoisomers thereof. The compounds are employed in pharmaceutical compositions, and methods of making and use, including treating a person in need thereof with an effective amount of the compound or composition.
    Type: Application
    Filed: May 28, 2021
    Publication date: October 7, 2021
    Applicant: National Institute of Biological Sciences, Beijing
    Inventors: Zhiyuan Zhang, Xiaodong Wang, Shaoqiang Huang, Xian Jiang, Li Li, Zhaolan Zhang, Jianguang Han
  • Publication number: 20210277215
    Abstract: Described in embodiments herein are ionomers comprising a neutralized blend of an ethylene acid copolymer, an aliphatic and a mono-functional organic acid. The blend includes from 40 wt % to 95 wt % of the ethylene acid copolymer, from 5 to 50 wt % of the aliphatic, mono-functional organic acid, based on the total weight of the blend. The ethylene acid copolymer is the polymerized reaction product of ethylene, from 1 to 25 wt % of monocarboxylic acid and from 1 to 40 wt % of alkyl acrylate, based on the total weight of the monomers present in the ethylene acid copolymer. The aliphatic, mono-functional organic acid has fewer than 36 carbon atoms. In various embodiments, at least 70 mole % of total acid units are neutralized with both a trivalent cation and either a mono- or di-valent cation.
    Type: Application
    Filed: July 15, 2019
    Publication date: September 9, 2021
    Applicant: Performance Materials NA, Inc.
    Inventor: Xian Jiang
  • Publication number: 20210206953
    Abstract: A molded article formed from a blend, the blend comprising: from 1 wt. % to 30 wt. % of a polypropylene; and from 60 wt. % to 99 wt. % of an ionomer formed from a partially neutralized precursor acid copolymer, wherein the precursor acid copolymer (a) comprises copolymerized units of ethylene and 5 wt. % to 30 wt. %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms, and (b) has a melt index, I2, (according to ASTM D1238 at 190 C, 2.16 kg) of 10 g/10 min to 4,000 g/10 min, and wherein about 25% to about 65% of the acid groups derived from the ?,?-ethylenically unsaturated carboxylic acid of the precursor acid copolymer are neutralized.
    Type: Application
    Filed: May 28, 2019
    Publication date: July 8, 2021
    Inventor: Xian Jiang
  • Patent number: 11039452
    Abstract: Disclosed in the present invention are a LTE-U and WIFI 5G channel self-interference addressing method and system. An status change message of the LTE-U is received by a radio resource control layer of an LTE protocol stack, and reported to a mobile terminal application layer by a registration module of an non-access layer; and corresponding system parameters are configured according to the status change message of the LTE-U, and a WIFI available channel list is configured by using the system parameters to control the on and off of the 5 GHz channel. Therefore, a user can enjoy a high rate brought by the LTE-U network, and the WIFI hotspot and P2P of the user are ensured to be available externally, thus creating great convenience.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: June 15, 2021
    Assignee: JRD Communication (Shenzhen) LTD.
    Inventors: Xian Jiang, Xianghui Lou, Longjie Yu
  • Patent number: 11034680
    Abstract: The invention provides compounds that are inhibitors or covalent modifiers of succinate dehydrogenase subunit B (SDHB) and/or inhibitors of apoptosis, and pharmaceutically acceptable salts, hydrates and stereoisomers thereof. The compounds are employed in pharmaceutical compositions, and methods of making and use, including treating a person in need thereof with an effective amount of the compound or composition.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: June 15, 2021
    Assignee: National Institute of Biological Sciences, Beijing
    Inventors: Zhiyuan Zhang, Xiaodong Wang, Shaoqiang Huang, Xian Jiang, Li Li, Zhaolan Zhang, Jianguang Han
  • Patent number: 11019482
    Abstract: Disclosed is a RSP-based LPA application implementation method, comprising: pre-setting an LPA of a terminal side, wherein the LPA is a local configuration proxy; when information about a subscription protocol between the terminal side and an operator is detected, an operator server creating, according to proxy information about the LPA, a corresponding operator data packet; the terminal side accessing the operator server, and downloading, according to the proxy information, the corresponding operator data packet; and an EUICC receiving the operator data packet forwarded by the LPA, decrypting same, and then installing the operator data packet, wherein the EUICC is an embedded universal integrated circuit card.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: May 25, 2021
    Assignee: TCL Communications (Ningbo) Co., Ltd.
    Inventors: Xianghui Lou, Xian Jiang
  • Patent number: 11001711
    Abstract: Described herein are polyamide compositions comprising poly alpha-1,3-glucan in combination with a compatibilizer and processes for preparing such compositions. Such polyamide compositions exhibit improved elongation at break compared to polyamide compositions which lack a compatibilizer. These polyamide compositions exhibit an elongation at break of at least 9 percent when measured according to ASTM D638 after exposure to water at 120° C. at 2 atm pressure for 192 hours.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 11, 2021
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Xian Jiang, Shengmei Yuan
  • Publication number: 20200277485
    Abstract: A poly alpha-1,3-glucan compound comprising: a) poly alpha-1,3-glucan, and b) a functionalized polyolefin; wherein said poly alpha-1,3-glucan compound comprises from 0.5 to 70 weight percent of poly alpha-1,3-glucan, based on the total weight of poly alpha-1,3-glucan (a) and functionalized polyolefin (b) in the poly alpha-1,3-glucan compound and wherein said functionalized polyolefin is grafted onto the poly alpha-1,3-glucan. These poly alpha-1,3-glucan compounds have many uses including films for packaging applications and as elastomers for automotive applications.
    Type: Application
    Filed: August 30, 2018
    Publication date: September 3, 2020
    Inventors: Xian Jiang, Vindhya Mishra
  • Publication number: 20200252788
    Abstract: Disclosed is a RSP-based LPA application implementation method, comprising: pre-setting an LPA of a terminal side, wherein the LPA is a local configuration proxy; when information about a subscription protocol between the terminal side and an operator is detected, an operator server creating, according to proxy information about the LPA, a corresponding operator data packet; the terminal side accessing the operator server, and downloading, according to the proxy information, the corresponding operator data packet; and an EUICC receiving the operator data packet forwarded by the LPA, decrypting same, and then installing the operator data packet, wherein the EUICC is an embedded universal integrated circuit card.
    Type: Application
    Filed: February 8, 2018
    Publication date: August 6, 2020
    Inventors: Xianghui LOU, Xian JIANG