479 patents
Page 12 of 24
Utility
Method and Apparatus for Enhanced Formation Porosity Measurement Using Pulsed Neutron Source and Dual-Function Detectors
11 Aug 22
Formation porosity is measured using a logging tool that has a pulsed neutron generator and multiple dual-function detectors that detect both neutrons and gamma rays.
Sheng Zhan, Jeremy Zhang
Filed: 2 Nov 21
Utility
Silicon-and Germanium-based SCM-25 Molecular Sieve, Preparation Process and Use Thereof
11 Aug 22
A silicon- and germanium-based molecular sieve has a framework chemical composition as represented by the formula “SiO2.1/nGeO2”.
Weimin YANG, Wenhua FU, Zhiqing YUAN, Zhendong WANG, Jiawei TENG, Weichuan TAO, Shengli ZHAO
Filed: 9 Jul 20
Utility
Rare Earth-containing Y Zeolite, Preparation Process Thereof, and Catalytic Cracking Catalyst Containing the Zeolite
11 Aug 22
A rare earth-containing Y zeolite has at least two mesopore pore-size distributions at 2-3 nanometers and 3-4 nanometers.
Chengqiang WANG, Yibin LUO, Jinyu ZHENG, Xingtian SHU
Filed: 9 Jul 20
Utility
Olefin polymerization catalyst comprising cyclotriveratrylene and derivatives thereof
2 Aug 22
Ting Huang, Zifang Guo, Zhufang Sun, Junling Zhou, Lunjia Xie, Hongxu Yang, Bingyi Li, Qingqiang Gou, Tingjie Huang, Peng Kou, Xiaofan Zhang, Meiyan Fu, Jie Lin, Yonghua Ma
Filed: 19 Jul 18
Utility
Washing and desalting device, washing and desalting method, desalting and dehydrating system, and desalting and dehydrating method
2 Aug 22
A washing and desalting device includes a first shell and a plurality of filaments.
Xiuna Yang, Zonglin Ruan, Huimin Qi, Ping Jin
Filed: 9 Oct 18
Utility
Organic Hydrogen Storage Raw Material Dehydrogenation Catalyst, Carrier of the Catalyst, Hydrogen Storage Alloy, and Method for Providing High-purity Hydrogen
21 Jul 22
A catalyst used for dehydrogenation of an organic hydrogen-storage material to generate hydrogen, a support for the catalyst, and a preparation process thereof are presented.
Wei LIN, Xue YANG, Haitao SONG, Ye SONG, Min SUN, Jun LIU
Filed: 6 May 20
Utility
Starch-containing Microsphere and Preparation Method and Use Thereof
21 Jul 22
Chao YANG, Chen WANG, Zequn YIN, Quanjie LIU
Filed: 6 Apr 22
Utility
Reversible Enrichment Material, Preparation Therefor, and Application Thereof
14 Jul 22
A reversible enrichment material, its preparation and application thereof are provided.
Guangtong XU, Zelong LIU, Yanqiang SHI, Naixin WANG
Filed: 27 May 20
Utility
Process for converting inferior feedstock oil
21 Jun 22
A process for converting inferior feedstock oil includes several steps.
Youhao Xu, Tao Liu, Xin Wang, Lishun Dai, Tian Lan, Hong Nie, Dadong Li
Filed: 17 Oct 16
Utility
Catalytic Cracking Catalyst and Preparation Process Thereof
16 Jun 22
The catalytic cracking catalyst contains a molecular sieve and an alumina substrate material.
Jiexiao ZHANG, Shanqing YU, Mingde XU, Jiasong YAN, Huiping TIAN, Jiaxing LI, Min YANG
Filed: 26 Mar 20
Utility
Amine-based polymer, a preparation process thereof and use thereof
14 Jun 22
Jianrong Zhang, Zuoxin Huang
Filed: 31 May 19
Utility
Mud pulser and method for operating thereof
14 Jun 22
A pulser for generating pressure pulses propagating through a column of drilling fluid in the drill string to the surface during drilling.
Sheng Zhan, Sam Seldon
Filed: 30 Apr 20
Utility
Method for separating 2-alkylanthracenes and use thereof for producing hydrogen peroxide
9 Jun 22
A method for preparing 2-alkylanthracene includes the step of separating 2-alkylanthracene from a reaction product of anthracene alkylation reaction.
Baoning ZONG, Bo ZHENG, Zhenxing ZHU, Zhiyong PAN, Siyuan QIE, Guohua GAO, Jianqi FEI, Junyi MAO, Xiaojin TANG, Lifeng HU, Zheng LIU
Filed: 10 Mar 20
Utility
Olefin Polymerization Method and System
9 Jun 22
The present application relates to an olefin polymerization method and system in the field of olefin polymerization.
Jingdai Wang, Jingyuan Sun, Zhengliang Huang, Yongrong Yang, Guodong Han, Wenqing Wu, Binbo Jiang, Xiaofei Wang, Yao Yang, Xiaofeng Ye, Zuwei Liao
Filed: 9 Mar 20
Utility
Catalytic conversion process and system with increased propylene production
9 Jun 22
A catalytic conversion process for producing propylene includes the steps of: 1) providing a starting material comprising olefin(s) having 4 or more carbon atoms; 2) pretreating the starting material to obtain a propylene precursor comprising olefin(s) having 3×2n carbon atoms, wherein n is an integer greater than or equal to 1; and 3) subjecting the propylene precursor to a catalytic cracking reaction to obtain a reaction product comprising propylene.
Youhao XU, Xuhui BAI, Langyou WEN, Xin WANG, Mingyuan HE
Filed: 17 Mar 20
Utility
Catalytic conversion process and system for producing gasoline and propylene
2 Jun 22
A catalytic conversion process for producing gasoline and propylene includes the steps of 1) subjecting a feedstock oil to a first catalytic conversion reaction in a first catalytic conversion reaction device to obtain a first reaction product; 2) separating the first reaction product to obtain a propylene fraction, a gasoline fraction and a fraction comprising C4 olefin; 3) carrying out an oligomerization reaction on the fraction comprising C4 olefin in an oligomerization reactor to obtain an oligomerization product comprising C12 olefin, and optionally separating the oligomerization product to obtain a fraction comprising C12 olefin; 4) recycling the C12 olefin-containing oligomerization product or fraction to the first catalytic conversion reaction device, and/or sending the C12 olefin-containing oligomerization product or fraction to a second catalytic conversion reaction device for a second catalytic conversion reaction to obtain a second reaction product comprising propylene.
Xuhui BAI, Yanfen ZUO, Youhao XU, Yibin LUO, Xingtian SHU, Xieqing WANG, Xin WANG
Filed: 17 Mar 20
Utility
Monolithic catalyst used for carbon dioxide hydrogenation reaction and method for preparing same
24 May 22
A monolithic catalyst used for a carbon dioxide hydrogenation reaction and a method for preparing the same.
Yang Yu, Haibo Chen, Shixin Wei, Yusheng Yin, Chunpeng Mao, Jiedong Tan, Dong Qiu, Tianming Xie, Jian He, Huiqin Yin, Xianguo Tian, Tianlei Dong, Qiong Wang
Filed: 21 Mar 17
Utility
Magnesium alkoxide particle and application thereof
17 May 22
The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound.
Xiudong Xu, Zhong Tan, Qilong Zhou, Rui Zhang, Weiwei Song, Jinhua Yu, Fengkui Li, Shanshan Yin
Filed: 26 Oct 17
Utility
Computer-implemented method and system for removing low frequency and low wavenumber noises to generate an enhanced image
17 May 22
A method and a system for implementing the method are disclosed wherein the source wavelet, input parameter models, and seismic 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.
Yongzhong Wang
Filed: 30 Jun 20
Utility
Preparation Process for Cu-based Catalyst and Use Thereof
12 May 22
The present invention relates to a preparation process for a Cu-based catalyst and use of the Cu-based catalyst as the dehydrogenation catalyst in producing a hydroxyketone compound such as acetoin.
Kai QIAO, Feng ZHOU, Jie SU, Huixia MA, Qingtong ZHAI, Shumei ZHANG
Filed: 20 Jan 22