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).
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Patent number: 11939457Abstract: 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: GrantFiled: August 27, 2020Date of Patent: March 26, 2024Assignee: Dow Global Technologies LLCInventors: Xian Jiang, Yushan Hu
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Patent number: 11926729Abstract: 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: GrantFiled: July 15, 2019Date of Patent: March 12, 2024Assignee: Dow Global Technologies LLCInventor: Xian Jiang
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Publication number: 20230401354Abstract: 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: ApplicationFiled: October 26, 2020Publication date: December 14, 2023Applicant: Siemens Energy Global GmbH & Co. KGInventor: Zi Xian Jiang
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Patent number: 11840626Abstract: 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: GrantFiled: August 30, 2018Date of Patent: December 12, 2023Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Xian Jiang, Vindhya Mishra
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Patent number: 11834570Abstract: 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: GrantFiled: May 28, 2019Date of Patent: December 5, 2023Assignee: Dow Global Technologies LLCInventor: Xian Jiang
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Publication number: 20230383058Abstract: 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: ApplicationFiled: October 27, 2021Publication date: November 30, 2023Applicant: Dow Global Technologies LLCInventors: Xian Jiang, Yushan Hu, Wayne C. Whelchel, Bruce M. Hasch, Hayley A. Brown, Seema V. Karande
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Patent number: 11725000Abstract: 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: GrantFiled: May 28, 2021Date of Patent: August 15, 2023Assignee: National Institute of Biological Sciences, BeijingInventors: Zhiyuan Zhang, Xiaodong Wang, Shaoqiang Huang, Xian Jiang, Li Li, Zhaolan Zhang, Jianguang Han
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Publication number: 20230203291Abstract: 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: ApplicationFiled: April 5, 2021Publication date: June 29, 2023Applicant: Dow Global Technologies LLCInventors: Xian Jiang, Lisa S. Madenjian, Jozef J.I. Van Dun, James R. de Garavilla
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Publication number: 20230036124Abstract: 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: ApplicationFiled: December 21, 2020Publication date: February 2, 2023Applicant: Dow Global Technologies LLCInventors: Jinliang Yan, Haiyang Yu, Xian Jiang, Bo Lyu, Hong Yang
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Publication number: 20220403151Abstract: 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: ApplicationFiled: August 24, 2020Publication date: December 22, 2022Inventors: Yichi Zhang, Raghunath Roy, Wayne C. Whelchel, Barry A. Morris, Xian Jiang
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Publication number: 20220282075Abstract: 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: ApplicationFiled: August 27, 2020Publication date: September 8, 2022Inventors: Xian Jiang, Yushan Hu
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Publication number: 20210309647Abstract: 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: ApplicationFiled: May 28, 2021Publication date: October 7, 2021Applicant: National Institute of Biological Sciences, BeijingInventors: Zhiyuan Zhang, Xiaodong Wang, Shaoqiang Huang, Xian Jiang, Li Li, Zhaolan Zhang, Jianguang Han
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Publication number: 20210277215Abstract: 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: ApplicationFiled: July 15, 2019Publication date: September 9, 2021Applicant: Performance Materials NA, Inc.Inventor: Xian Jiang
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Publication number: 20210206953Abstract: 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: ApplicationFiled: May 28, 2019Publication date: July 8, 2021Inventor: Xian Jiang
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Patent number: 11039452Abstract: 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: GrantFiled: February 9, 2018Date of Patent: June 15, 2021Assignee: JRD Communication (Shenzhen) LTD.Inventors: Xian Jiang, Xianghui Lou, Longjie Yu
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Patent number: 11034680Abstract: 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: GrantFiled: January 15, 2019Date of Patent: June 15, 2021Assignee: National Institute of Biological Sciences, BeijingInventors: Zhiyuan Zhang, Xiaodong Wang, Shaoqiang Huang, Xian Jiang, Li Li, Zhaolan Zhang, Jianguang Han
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Patent number: 11019482Abstract: 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: GrantFiled: February 8, 2018Date of Patent: May 25, 2021Assignee: TCL Communications (Ningbo) Co., Ltd.Inventors: Xianghui Lou, Xian Jiang
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Patent number: 11001711Abstract: 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: GrantFiled: December 4, 2017Date of Patent: May 11, 2021Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Xian Jiang, Shengmei Yuan
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Publication number: 20200277485Abstract: 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: ApplicationFiled: August 30, 2018Publication date: September 3, 2020Inventors: Xian Jiang, Vindhya Mishra
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Publication number: 20200252788Abstract: 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: ApplicationFiled: February 8, 2018Publication date: August 6, 2020Inventors: Xianghui LOU, Xian JIANG