479 patents
Page 10 of 24
Utility
Alumina Grain, Preparation Method Therefor and Use Thereof
1 Dec 22
An alumina grain has a single-crystal structure and has an approximate regular octahedral stereoscopic morphology.
Weiya YANG, Baokuan SUI, Fengxiang LING, Huicheng ZHANG, Shaojun WANG, Zhiqi SHEN
Filed: 25 Oct 20
Utility
Process for producing light olefins and low-sulfur fuel oil components
29 Nov 22
A process for producing propylene and a low-sulfur fuel oil component, comprising the steps of: i) contacting a hydrocarbon-containing feedstock oil with a catalytic conversion catalyst for reaction under effective conditions in a catalytic conversion reactor in the absence of hydrogen to obtain a reaction product comprising propylene; ii) separating the reaction product from step i) to obtain a catalytic cracking distillate oil, and iii) subjecting the catalytic cracking distillate oil to hydrodesulfurization to obtain a low-sulfur hydrogenated distillate oil suitable for use as a fuel oil component.
Youhao Xu, Xin Wang, Yanfen Zuo, Shouye Cui, Xuhui Bai, Xinyu Xie
Filed: 26 Oct 20
Utility
Carbon-coated Nickel-aluminum Nanocomposite, Preparation Method Therefor and Application Thereof
24 Nov 22
A nanocomposite has a core-shell structure with an outer shell and an inner core.
Junfeng RONG, Peng YU, Jingxin XIE, Genghuang WU, Mingsheng ZONG, Weiguo LIN, Hongbo JI
Filed: 20 Oct 20
Utility
Process and System for Hydrotreating Deoiled Asphalt
24 Nov 22
Described are a process and a system for hydrotreating a deoiled asphalt.
Qinghe YANG, Shuling SUN, Dawei HU, Chuanfeng NIU, Yanzi JIA, Lishun DAI, Zhen WANG, Anpeng HU, Liang REN, Dadong LI
Filed: 30 Oct 20
Utility
Catalyst for Olefin Polymerization and Polymerization Method Using Same
24 Nov 22
Wenbo SONG, Shuliang HAN, Zhao JIN, Lusheng WANG, Haokun LI, Yuanyuan FANG
Filed: 28 Oct 20
Utility
Long-chain Composition, Long-chain Composition Set, Its Preparation and Application Thereof
24 Nov 22
A long-chain composition has at least one long-chain alkane selected from the group consisting of C9-18 linear or branched alkanes and at least one long-chain carboxylic acid selected from the group consisting of C9-18 linear or branched, saturated or unsaturated aliphatic monocarboxylic acids.
Lin ZHANG, Yachao FAN, Wenjing SHI
Filed: 26 Oct 20
Utility
Modified Y-type molecular sieve, catalytic cracking catalyst comprising the same, its preparation and application thereof
22 Nov 22
A modified Y-type molecular sieve having a calcium content of about 0.3-4 wt % calculated on the basis of calcium oxide, a rare earth content of about 2-7 wt % calculated on the basis of rare earth oxide, and a sodium content of no more than about 0.5 wt % calculated on the basis of sodium oxide.
Shuai Yuan, Lingping Zhou, Huiping Tian, Hao Sha, Zhenyu Chen, Weilin Zhang
Filed: 27 Jun 19
Utility
Hydrogenation Catalyst, Preparation Process Thereof and Use Thereof
17 Nov 22
A hydrogenation catalyst contains a hydrogenation catalyst carrier and an active hydrogenation component.
Li LIU, Yunhai YAO, Chengmin YANG, Yang LI, Weiyu DUAN, Jin SUN, Rong GUO, Yong ZHOU, Bumei ZHENG, Li DING
Filed: 23 Oct 20
Utility
Biological and Chemical Composite Blockage Removing Agent and Preparation Process and Use Thereof
17 Nov 22
The present invention relates to a biological and chemical composite blockage removing agent and preparation process and use thereof, and mainly solves the problems that the existing blockage removing agents have poor blockage removal effect on organic blockages, cause damage to formations and oil-wells, produce serious environmental pollution, and corrode the equipment, pipelines, and the like.
Yong MENG, Yingcheng LI, Weidong ZHANG, Ou SHA, Xinning BAO, Jun JIN, Xinyue WU
Filed: 23 Oct 20
Utility
Catalyst for Alkylene Oxide Addition Reaction and Application Thereof
10 Nov 22
The present invention provides a catalyst for an addition reaction of alkylene oxide, the catalyst comprises a nanocomposite ion-exchange resin having a structural formula of P-Im+-M−, wherein P is a nanocomposite resin matrix, Im+ is a cation derived from 5-6 membered heterocycle containing at least one nitrogen atom such as imidazolium cation, pyrazolium cation, pyrrolidinium cation, piperidinium cation, piperazinium cation, pyrimidinium cation, pyrazinium cation, pyridazinium cation, triazinium cation, and M− is an anion.
Fengping YU, Wenjun HE, Ming JIN
Filed: 24 Sep 20
Utility
Computer-implemented method and system employing nonlinear direct prestack seismic inversion for poisson impedance
8 Nov 22
A computer-implemented method, and system implementing the method, are disclosed for computing a final model of elastic properties, using nonlinear direct prestack seismic inversion for Poisson impedance.
Fan Xia
Filed: 3 Dec 19
Utility
Computing Program Product and Method That Interpolates Wavelets Coefficients and Estimates Spatial Varying Wavelets Using the Covariance Interpolation Method In the Data Space Over a Survey Region Having Multiple Well Locations
3 Nov 22
A computing program product and method for interpolating wavelets coefficients and estimating spatial varying wavelets using the covariance interpolation method in the data space over a survey region having multiple well locations, are disclosed.
Yequan Chen, Fan Xia
Filed: 30 Apr 21
Utility
Dealklylation and transalkylation of mixed phenols to make cresols
1 Nov 22
Processes of producing cresols from a phenols containing feed are described.
Shuguang Zhang, Lubo Zhou
Filed: 4 Feb 19
Utility
System and Method for Intelligent Gasification Blending
27 Oct 22
Described are an intelligence system and process for material blending in the gasification.
Fangjie WANG, Shuqing WANG, Dachuan WANG, Guofu XIA, Longpeng CUI
Filed: 24 Sep 20
Utility
Catalyst for Producing Isopropylbenzene and the Production Method and Use Thereof
20 Oct 22
Described are a catalyst for producing isopropylbenzene and the production method and use thereof.
Zhongneng LIU, Duo ZHAO, Yuhao LV, Wendi MA, Guoyao GU
Filed: 29 Sep 20
Utility
Process for Producing Para-xylene and Ethylbenzene from C8 Aromatics Containing Ethylbenzene
20 Oct 22
A process for producing para-xylene and ethylbenzene from C8 aromatics containing ethylbenzene includes the steps of sending C8 aromatics containing ethylbenzene to an ethylbenzene liquid-phase adsorption separation device, wherein a suction liquid containing ethylbenzene and a suction residual liquid are obtained after the adsorption separation, and the desorbents in the suction liquid and the suction residual liquid are removed to obtain ethylbenzene and a suction residual oil; sending the suction residual oil to a para-xylene adsorption separation device, and unadsorbed components are discharged as a raffinate from the adsorbent bed; the adsorbent bed is rinsed with a desorbent to desorb the para-xylene therein and obtain an extract; the desorbents in the extract and the raffinate are respectively removed to obtain para-xylene and a raffinate oil; sending the raffinate oil to a xylene isomerization device to carry out xylene isomerization, and the isomerization product is fractionated.
Yanqiang YANG, Dehua WANG, Huiguo WANG, Jianfeng MA, Hongchao WANG, Ben LI, Yusi LIU, Xiaofei QIAO, Ningning GAO
Filed: 28 Sep 20
Utility
High Strength Ultra-thin Biodegradable Film and Preparation Method Thereof
20 Oct 22
A biodegradable film is prepared from a composition that includes a copolyester obtained by extrusion reaction of a branched aliphatic-aromatic copolyester derived from monomer a, monomer b, monomer c and monomer d with an organic peroxide.
Guixiang ZHU, Taoyi ZHANG, Mingfu LYU, Cui ZHENG, Wei ZHANG, Ling HAN, Wenxi JI, Ning XU, Peng GUO
Filed: 17 Sep 20
Utility
Downhole Multidimensional Imaging Feature Extraction Method and Imaging Apparatus
20 Oct 22
An apparatus for downhole multi-dimensional imaging includes an acquisition unit configured to acquire a formation resistivity signal, an ultrasonic echo signal and an orientation signal regularly; a sector calculation unit configured to calculate, based on said orientation signal, a sector where a currently acquired signal is from; and a multi-dimensional imaging unit, configured to calculate, based on the signals acquired by the acquisition unit, data of resistivity, distance from a drilling tool to a borehole wall and ultrasonic echo amplitude, and distribute said data into all sectors for feature recognition and extraction, thus obtaining key features characterizing a current formation being drilled, said key features being transmitted to ground for guiding drilling process.
Yijin ZENG, Wei ZHANG, Weining NI, Xin LI, Lipeng YAN, Jinping WU, Yuefa HU, Lishuang WANG, Zuyang ZHU, Jintai MI
Filed: 26 Aug 20
Utility
Computer-implemented method and system employing compress-sensing model for migrating seismic-over-land cross-spreads
18 Oct 22
A method and a system for implementing the method are disclosed wherein the seismic input data and land acquisition input data may be obtained from a non-flat surface, sometimes mild or foothill topography as well as the shot and receiver lines might not necessarily be straight, and often curve to avoid obstacles on the land surface.
Xiang Xiao
Filed: 11 Jun 20
Utility
Acquiring formation porosity using multiple dual-function detectors and neural network
18 Oct 22
A method and apparatus of logging downhole formation and obtaining formation porosity using a pulsed neutron generator and multiple dual-function detectors that detect both neutrons and gamma rays.
Sheng Zhan, Jeremy Zhang
Filed: 2 Sep 21