479 patents
Page 6 of 24
Utility
Phosphorus-containing/phosphorus-modified ZSM-5 Molecular Sieve, Cracking Auxiliary and Cracking Catalyst Containing the Same, Process of Preparing the Same, and Use Thereof
29 Jun 23
A phosphorus-containing or phosphorus-modified ZSM-5 molecular sieve is characterized in that in its 27Al MAS-NMR, the ratio of peak area for the resonance signal having a chemical shift of 39±3 ppm to peak area for the resonance signal having a chemical shift of 54 ppm±3 ppm is ≥1; or in its surface XPS elemental analysis, the value of n1/n2 is ≤0.1. n1 represents the mole number of phosphorus, n2 represents the total mole number of silicon and aluminum.
Yibin LUO, Chengqiang WANG, Ying OUYANG, Enhui XING, Xingtian SHU
Filed: 13 Apr 21
Utility
Process for separating alkylation product, alkylation reaction and separation process, and related apparatus
23 May 23
A process for separating an alkylation product includes introducing a liquid phase alkylation product from an alkylation reaction unit into a first heat-exchanger directly or after being pressurized with a pressure pump and heat-exchanged with a vapor phase stream from the column top of a high-pressure fractionating column, then into a second heat-exchanger and subsequently into the high-pressure fractionating column.
Qing Yuan, Junyi Mao, Zhenxing Zhu, Tao Huang, Zhihai Zhao, Yongxiang Li, Lifeng Hu, Xiaojin Tang
Filed: 6 Sep 19
Utility
Molecular Sieve Complex, Composite Material and Application Thereof
18 May 23
A molecular sieve complex contains an oxide of aluminum, an oxide of an alkaline earth metal and a rare earth-modified molecular sieve.
Huizhi YUAN, Aihua LIU, Jianli LIU, Cuicui XU, Zengrang LIU, Weidong TAO, Wenzhi CHANG, Caishan LYU
Filed: 24 Jul 20
Utility
Foam Producing Method, Fire Extinguishing Method, and Appliance for Foam Extinguishing
18 May 23
A foam production method includes mixing liquid nitrogen with a foaming material to produce foam.
Shanjun MU, Chunming JIANG, Weihua ZHANG, Quanzhen LIU, Xuqing LANG, Xiaodong MU, Lin WANG, Jingfeng WU, Longmei TAN, Zuzheng SHANG, Rifeng ZHOU, Jianxiang LI, Hui YU
Filed: 19 Jan 23
Utility
Composite Material and Use Thereof In Desulfurization
18 May 23
A composite material is used for desulfurization.
Cuicui XU, Aihua LIU, Feng HAN, Jianli LIU, Zengrang LIU, Weidong TAO, Wenzhi CHANG, Caishan LYU
Filed: 24 Jul 20
Utility
Lubricity Modifier for Fuels and Application Thereof
18 May 23
Jianmin LIN, Xin XIA, Baoshi LI, Yan LI
Filed: 30 Mar 21
Utility
Method and system for separating light hydrocarbons
16 May 23
A method and system for separating light hydrocarbons are disclosed, wherein the method comprises compression, cooling, absorption, desorption, rectification, cracking, and recycling cracked gas to the compression step.
Shujuan Luo, Dongfeng Li, Mingsen Zhang, Lihua Liao, Yan Li, Zhixin Liu, Chunfang Li, Jun Tian
Filed: 29 Sep 19
Utility
Negative Electrode Material, Preparation Method Therefor and Application Thereof, and Lithium-ion Battery
11 May 23
A negative electrode material of the lithium-ion battery, a preparation method therefor and an application thereof, and a lithium-ion battery include the same are provided.
Sai SUN, Siyu ZHANG, Huanxin GAO
Filed: 29 Sep 20
Utility
Downhole Electromagnetic Logging Instrument
11 May 23
A downhole electromagnetic logging tool comprises a transmitting system, a magnetic field sensor array and a control module.
Qingsheng ZHANG, Fei XU, Hua HUANG, Cheng ZHANG, Wenchang ZHANG, Qing LUO, Xiaolei LI, Lingling ZHU
Filed: 20 Apr 21
Utility
Cyclic Thioether Compound, Vegetable Oil Composition Containing the Same, Their Preparation and Application Thereof
11 May 23
Gongrang LI, Wenbo LI, Chengjun WANG, Bingxiang SUN, Hui TIAN, Ke LI, Jianghong JIA, Xudong WANG, Lei YU, Jun WANG, Wei WANG, Lei LI
Filed: 28 Jan 21
Utility
Flow Splitting Device for Gas Reverse Circulation Drilling
11 May 23
A flow splitting device for gas reverse circulation drilling, including: an upper joint for connecting with a double-wall drill pipe; an inner tube which is arranged in the upper joint and defines a first passageway in communication with an inner chamber of the double-wall drill pipe, a second passageway in communication with an annular space in the double-wall drill pipe formed between the inner tube and the upper joint; a lower joint, having an upper end fixedly connected with the upper joint and a lower end for connecting with a drill tool; and a flow guiding member provided between the upper joint and the lower joint.
Chuanwei ZHAO, Zhonghua WU, Yanjun ZHOU, Honglin TANG, Zhihe LIU, Xueliang PEI, Haoyu SUN, Zhenguo SU, Bo KANG, Hui ZHANG, Huangang ZHU, Yongming CHEN, Zhongshuai CHEN
Filed: 30 Sep 20
Utility
Staged Cementing Device and Staged Cementing Method
11 May 23
A staged cementing device includes a cylindrical body having an inner chamber.
Jinli QIN, Yang LIU, Wujun CHEN, Ben LIU, Zhaohui GUO, Yanjun ZENG, Ming LIU, Dekai YANG, Yujie ZHU, Hongqian LIAO
Filed: 1 Feb 21
Utility
Computer-implemented method and system for obtaining a subsurface stack image, subsurface angle gathers, and a subsurface velocity model, over an entire survey region having high velocity contrast geo-bodies
9 May 23
A computer-implemented method and computing system apparatus programmed to perform operations of the computer-implemented method for obtaining a subsurface stack image, subsurface angle gathers, and a subsurface velocity model over an entire survey region having high velocity contrast geo-bodies.
Yongzhong Wang
Filed: 28 Sep 21
Utility
Method for Regulating the Gas Velocity of the Empty Bed In a Fluidized Bed
4 May 23
The invention relates to a method for regulating the gas velocity of the empty bed in a fluidized bed, wherein solid catalysts are used as fluidized particles or as a part of fluidized particles, characterized in that the gas velocity of the empty bed μ of the reaction zone of the fluidized bed is measured, compared with the bed average catalyst density ρ of the solid catalysts in the reaction zone of the fluidized bed, the gas velocity of the empty bed μ being adjusted as required such that the gas velocity of the empty bed μ and the bed average catalyst density ρ satisfy the formula (I) below: ρ=0.356μ3−4.319μ2−35.57μ+M; wherein M=250−; where μ is provided in m/s and ρ is provided in kg/m3.
Hongyuan ZONG, Guozhen QI, Jing CAO, Xiaohong LI, Zhinan YU, Li WANG
Filed: 16 Sep 20
Utility
A Process Of Converting Methanol To Olefins
4 May 23
The present invention relates to a process of converting methanol to olefins, comprising: feeding a feedstock comprising methanol to a fluidized bed reactor to contact with catalysts to produce an olefin product, wherein the process at least partially deactivates the catalysts to format least partially deactivated catalysts; feeding spent catalysts from the at least partially deactivated catalysts to a regenerator for regeneration, thereby forming regenerated catalysts, and returning the activated catalysts from the regenerated catalysts to the reactor via a regenerated catalyst line; characterized in that on the regenerated catalyst line, the oxygen content by volume in the gas phase component at the outlet of the regenerated catalyst line is controlled to be less than 0.1%, preferably less than 0.05%, and more preferably less than 0.01%.
Hongyuan ZONG, Guozhen QI, Jing CAO, Hongtao WANG, Zhinan YU, Yijun ZHENG
Filed: 12 Mar 21
Utility
Catalytic cracking process and catalyst system therefor
2 May 23
A catalytic cracking process includes a step of contacting a cracking feedstock with a catalytic cracking catalyst in the presence of a radical initiator for reaction under catalytic cracking conditions.
Yibin Luo, Ying Ouyang, Enhui Xing, Xingtian Shu, Xiaojie Cheng, Genquan Zhu
Filed: 25 Oct 19
Utility
Catalyst and Catalytic Oxidation-deoxidation Method for Unsaturated Hydrocarbon-containing Gas
27 Apr 23
A catalyst for catalytic oxidation-deoxidation method of unsaturated hydrocarbon-containing gas has a carrier, an active component, a first co-agent component, and a second co-agent component loaded on the carrier respectively.
Jie JIANG, Song WEN, Lei ZHAO, Wei XU, Bing SUN, Changsheng ZHANG, Jinchong ZHAO, Feng SUN, Yunfeng ZHU, Yuxia ZHANG
Filed: 26 Jan 21
Utility
A Process Of Converting Methanol In A Fluidized Bed Reactor
20 Apr 23
The invention relates to a process of converting methanol in a fluidized bed reactor comprising feeding a methanol-containing feedstock into a fluidized bed reactor, contacting the feedstock with a catalyst, to produce a product comprising ethylene and propylene under effective conditions; the fluidized bed reactor comprises a diluent-phase zone and a dense-phase zone, wherein the diluent-phase temperature difference between any regions of the diluent-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 20° C., and the dense-phase temperature difference between any regions in the dense-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 10° C.
Guozhen QI, Jing CAO, Xiaohong LI, Hongtao WANG, Li WANG, Yanxue WANG
Filed: 12 Mar 21
Utility
Method and Apparatus for Obtaining Real-time Formation Gas Saturation
20 Apr 23
A method for obtaining a gas saturation value of a subterrain formation involves a tool having multiple dual-function detectors that detect neutrons and gamma rays.
Sheng ZHAN, Jeremy Zhang, Zongqi CHEN, Xianghua LIU
Filed: 16 Dec 22
Utility
A Process For Producing Lower Olefins From Oxygenates
20 Apr 23
Guozhen QI, Jing CAO, Xiaohong LI, Hongtao WANG, Yongming JIN, Pan GAO
Filed: 11 Mar 21