306 patents
Utility
Propylene Polymer-based Composite Film, Preparation Method Therefor, and Application Thereof
18 Jan 24
A propylene polymer-based composite film, a preparation method therefor, and an application thereof are provided.
Meng XU, Shijun ZHANG, Dali GAO, Yiqing BAI, Kai XU, Yueming REN, Jianye LIU, Hui QUAN, Mu DONG, Qi ZHANG, Baige CHOU, Yun LYU, Jingbo SHAO
Filed: 20 Oct 21
Utility
Substituted Scleroglucan, Manufacturing Method Therefor and Use Thereof
18 Jan 24
Xiqiang SI, Zhonghua WANG
Filed: 26 Mar 21
Utility
Ethylene Copolymer and Method for Preparation Thereof and Composition and Crosslinked Polymer and Tire
11 Jan 24
An ethylene copolymer and a method for preparing same, and a composition, crosslinked polymer, and tire containing said ethylene copolymer are provided.
Nian GAO, Jianjun CHEN, Hongbo LI, Lin XU, Ning WU, Jianguo HAO
Filed: 27 Nov 20
Utility
Liquid Butadiene-styrene Polymer, Preparation Method for Same and Application of Same, As Well As Composition, Polymer Coating, Adhesive, and Cross-linking Agent
4 Jan 24
A liquid butadiene-styrene polymer, a preparation method for same and an application of same, as well as a composition, a polymer coating, an adhesive and a cross-linking agent containing the same are provided.
Jiancheng LI, Lin XU, Xue WANG, Mingbo SHAO
Filed: 28 Oct 20
Utility
Downhole Blowout Preventer and Blowout Prevention Operation Method
4 Jan 24
A downhole blowout preventer has a blowout preventer tubing string containing a circulation unit, a packer unit and a pressure-building unit connected in sequence from top to bottom.
Lanrong MA, Lei GU, Huibo YIN, Xiaozhi ZHENG, Guangming CHENG, Yuequan HOU
Filed: 16 Aug 21
Utility
Ethylene-vinyl Alcohol Copolymer Composition, and Preparation Method Therefor
28 Dec 23
Described are an ethylene-vinyl alcohol (EVOH) copolymer composition, and a preparation method therefor.
Yuqin DOU, Qingquan WANG, Lamei HU, Lingzhi HE, Yingbin HUANG, Wen WANG, Siquan WAN
Filed: 14 Oct 21
Utility
Metal-organic Framework Material Separation Membrane, Preparation Method Therefor, and Use Thereof
28 Dec 23
A metal-organic framework material separation membrane and a preparation method for the metal-organic framework material separation membrane are provided.
Changjiang WU, Xin WEI, Hesheng LI, Xinmiao ZHANG, Jie SUN, Chenghong WANG, Yujie WANG, Fanning MENG
Filed: 28 Oct 20
Utility
Continuous Gas Separation System Combining Hydrate-based Process and Reverse Osmosis Process and Disturbance Device
28 Dec 23
A disturbance device has two jet mixers, which are oppositely disposed in the horizontal direction; a mixing chamber, which is connected between the two jet mixers; and mixing pipes, which are connected below the mixing chamber.
Qian XUE, Zunzhao LI, Xiaolin WANG, Mingrui LIU, Wei ZHAO, Shihan LI, Xiaozhe SUN, Wei WANG
Filed: 19 Oct 21
Utility
Thermoplastic Composite Material, Preparation Method Therefor and Use Thereof
28 Dec 23
A thermoplastic composite material has an inner layer material and at least one layer of outer layer material.
Dali GAO, Changjin LI, Shijun ZHANG, Kai XU, Peng KANG, Qi ZHANG, Hua YIN, Mingfu LV, Dehui KONG, Qi XIN, Tao CAI, Mu DONG, Jingbo SHAO, Hongwei SHI, Changhui SUN, Yiqing BAI, Yigang TAN, Guang LI, Xiaoyong GAO, Jinqi HE, Meijie LI, Meng XU, Baige CHOU, Yun LV, Yueming REN
Filed: 30 Oct 21
Utility
Process for Refining Glycolide and Glycolide Obtained Therefrom
28 Dec 23
A process for refining glycolide includes a step of extracting impurities from a crude glycolide with solvent A, and then a step of recrystallizing with solvent B.
Wentao XIONG, Rui WANG, Fen ZHOU, Jingen XIONG
Filed: 26 Oct 21
Utility
Solid Component for Preparing Olefin Polymerization Catalyst, and Preparation Method Therefor and Application Thereof
28 Dec 23
Weili LI, Xianzhi XIA, Junling ZHOU, Yuexiang LIU, Yongtai LING, Tao LIU, Jin ZHAO, Futang GAO, Chunhong REN, Yang TAN, Long CHEN
Filed: 26 Oct 21
Utility
M-xylene Adsorbent and Preparation Method Therefor
21 Dec 23
A m-xylene adsorbent contains 94 to 99.9 wt % of a Y molecular sieve and 0.1 to 6 wt % of a matrix.
Ningning GAO, Huiguo WANG, Yusi LIU, Hongchao WANG, Yanqiang YANG, Xiaofei QIAO, Dehua WANG, Jianfeng MA, Jin ZHONG, Junkui GAO, Pengfei TUO
Filed: 13 Oct 21
Utility
Catalyst Including Molecular Sieve Having Topological Pore Structure, Preparation Method Therefor and Use Thereof
21 Dec 23
A catalyst contains a metal oxide, and a molecular sieve, in a crystal form, having a topological pore structure.
Chang LIU, Yangdong WANG, Zaiku XIE, Su LIU, Haibo ZHOU, Junjie SU, Wenqian JIAO, Lin ZHANG
Filed: 19 Oct 21
Utility
Carrier for Olefin Polymerization Catalyst and Application Thereof, Catalyst for Olefin Polymerization and Application Thereof, and Olefin Polymerization Method
21 Dec 23
Yongtai LING, Junling ZHOU, Xianzhi XIA, Yuexiang LIU, Weili LI, Tao LIU, Chunhong REN, Jin ZHAO, Futang GAO, Long CHEN, Yang TAN
Filed: 3 Sep 21
Utility
Method and System for Processing Gasoline Fractions
21 Dec 23
A method for processing a gasoline fraction includes the steps of: a) reacting the gasoline fraction in an aromatization unit, and separating the resulting reaction product to obtain a C4− component, a C5 component, a C6-C7 component, a C8 component and a C9+ component; b) reacting the resulting C6-C7 component and the C9+ component in a cracking and aromatics conversion unit, and separating the resulting reaction product to obtain a C4− component, a C5 component, a C6-C7 component, a C8 component and a C9+ component; and c) recycling at least a part of at least one of the C6-C7 component and the C9+ component from step b) to the cracking and aromatics conversion unit of step b) for further reaction.
Jingqiu LI, Dejin KONG, Xuguang LI, Zongshuang WANG, Huaying LI, Weiyi TONG
Filed: 22 Oct 21
Utility
Silicon-aluminum Molecular Sieve Catalyst, and Preparation and Application Thereof
14 Dec 23
An aluminosilicate molecular sieve catalyst, its preparation and application thereof are provided.
Weimin YANG, Darui WANG, Hongmin SUN, Wei LIU, Mingyao HUAN, Mingwei XUE, Junlin HE
Filed: 25 Oct 21
Utility
Process and apparatus for producing lower carbon olefins and BTX by catalytic pyrolysis of hydrocarbon-containing feedstock oil
7 Dec 23
A process includes: cutting a hydrocarbon-containing feedstock oil into a light distillate oil and a heavy distillate oil; introducing the light distillate oil and a first catalyst into a down-flow reactor to produce a stream; subjecting the stream to a gas-solid separation to produce a first reaction hydrocarbon product and a first spent catalyst; or, introducing the stream into a fluidized bed reactor, and then subjecting to a gas-solid separation to produce a second reaction hydrocarbon product and a second spent catalyst; introducing a continuous catalyst, the heavy distillate oil and a second catalyst into an up-flow reactor, and then subjecting to a gas-solid separation to produce a third reaction hydrocarbon product and a third spent catalyst; separating out lower carbon olefins and light aromatics from reaction hydrocarbon products, separating out a light olefin fraction, and returning the light olefin fraction to the fluidized bed reactor or the up-flow reactor.
Jianhong GONG, Xieqing WANG, Chao YANG, Xiaoli WEI, Genquan ZHU, Wenming MA, Yun CHEN
Filed: 29 Oct 21
Utility
Catalyst for Producing Dibasic Amine by Hydrogenation of Dibasic Nitrile, a Process for Preparing the Same and Use Thereof
7 Dec 23
A catalyst for producing dibasic amine by hydrogenation of dibasic nitrile contains the following components or reaction product thereof: a) an active component, wherein the active component comprises Ni and/or an oxide thereof; b) an auxiliary, wherein the auxiliary comprises one or more of Mg, Cu, Co, Zn, Zr, Mo and/or oxides thereof; C) support, wherein the relative content of α-NiO in the catalyst is less than 2.0 a.u.
Yunbao TU, Hongyuan ZONG, Zhongneng LIU, Xiaoqing XU, Xue BAI, Xu LIU, Wei FU, Yanhong WANG
Filed: 27 Oct 21
Utility
Amination Catalyst and Preparation and Use Thereof
7 Dec 23
Disclosed is a catalyst useful for producing organic amines by catalytic amination, its preparation and application thereof, wherein the catalyst comprises an inorganic porous carrier containing aluminum and/or silicon and an active metal component supported on the carrier, the active metal component comprises at least one metal selected from the group consisting of Group VIII and Group IB metals, and the carrier has an ammonia adsorption capacity of 0.25 to 0.65 mmol/g, as measured by NH3-TPD test.
Baoliang TIAN, Guoqi TANG, Liangyu XIANG, Xiaorong ZHANG, Guoqing WANG, Hui PENG, Yi YANG, Lijun ZHANG, Chao SONG, Jianzhun JIANG, Yi MAN
Filed: 26 Oct 21
Utility
Chemical-type Hydrocracking Catalyst, Preparation Method Therefor, and Application Thereof
7 Dec 23
A chemical-type hydrocracking catalyst contains the following components: a) a β zeolite, b) a layered MWW-type zeolite with a lamellar thickness of 2-12 nm, c) a metal functional component, d) a binder, and optionally e) a metal function regulating component.
Junlin ZHENG, Xiangdong JIANG, Huanxin GAO, Cheng LI, Qi SONG, Dejin KONG
Filed: 18 Oct 21