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China Petroleum & Chemical (SNP)

242 patents

Page 5 of 13
Utility
Modified Y-type molecular sieve, catalytic cracking catalyst comprising the same, its preparation and application thereof
2 Sep 21
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
Molecular sieve SCM-14, a preparation process and use thereof
24 Aug 21
The invention relates to a molecular sieve SCM-14, a preparation process and use thereof.
Weimin Yang, Zhendong Wang, Yi Luo, Hongmin Sun, Bin Zhang
Filed: 31 Oct 17
Utility
Modified Y-type molecular sieve, catalytic cracking catalyst comprising the same, its preparation and application thereof
19 Aug 21
A modified Y-type molecular sieve has a modifying metal content of about 0.5-6.3 wt % calculated on the basis of an oxide of the modifying metal 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, Zhenyu CHEN, Weilin ZHANG, Hao SHA
Filed: 27 Jun 19
Utility
Computer-implemented Method and System for Small Cave Recognition Using Seismic Reflection Data
19 Aug 21
A computer-implemented method and system implementing the method, are disclosed for computing small cave recognition models, using seismic reflection data.
Min Zhou, Franklin Ruiz
Filed: 17 Feb 20
Utility
Molecular sieve, its preparation and application thereof
17 Aug 21
Yongrui Wang, Jincheng Zhu, Mingyi Sun, Xuhong Mu, Xingtian Shu
Filed: 11 Jul 20
Utility
Preheating process and start-up process for the ammoxidation reaction
17 Aug 21
The present invention relates to a preheating process and a start-up process for the ammoxidation reaction.
Le Zhao, Lianghua Wu
Filed: 9 Jul 18
Utility
Process for producing ethylene
17 Aug 21
A process for producing ethylene includes the steps of: (1) catalytically cracking a raw material hydrocarbon to obtain a first stream containing propylene; (2) separating the first stream to obtain a C3 component stream; and (3) disproportionating the C3 component stream to obtain an ethylene stream.
Hepan Lu, Yangdong Wang, Weisheng Yang, Jiawei Teng
Filed: 3 Sep 18
Utility
Polar Monomer Grafted Polypropylene Resin, Preparation Method therefor and Application thereof
12 Aug 21
A grafted polypropylene resin is prepared by a grafting reaction of a polar monomer capable of absorbing microwave so as to raise its temperature in a microwave field to more than 200° C. and a solid polypropylene resin using microwave irradiation without adding an initiator.
Jinliang QIAO, Songhe WANG, Xiaohong ZHANG, Guicun QI, Zhihai SONG, Chuanlun CAI, Xiang WANG, Jinmei LAI, Binghai LI, Haibin JIANG, Yue RU, Jiangru ZHANG, Jianming GAO, Hongbin ZHANG, Peng HAN, Wenlu LIU
Filed: 26 Apr 19
Utility
Process, reactor and system for catalytic cracking of hydrocarbon oils
5 Aug 21
A process for the catalytic cracking of hydrocarbon oils includes the step of contacting a hydrocarbon oil feedstock with a catalytic cracking catalyst in a reactor having one or more fast fluidized reaction zones for reaction.
Jianhong GONG, Zhigang ZHANG, Xiaoli WEI
Filed: 15 Jul 19
Utility
Feed gas feeding system for propylene ammoxidation reactor
3 Aug 21
A feed gas feeding system for a propylene ammoxidation reactor comprises a feed gas mixing system and a feed distributor, wherein a propylene and ammonia mixed gas is mixed by the feed gas mixing system and then uniformly distributed in the propylene ammoxidation reactor by the feed distributor.
Le Zhao, Lianghua Wu
Filed: 3 Jan 18
Utility
Process and system for upgrading low-quality oils
3 Aug 21
Disclosed is a process and system for upgrading low-quality oils.
Jun Long, Huandi Hou, Zijun Wang, Haiping Shen, Ming Dong, Lishun Dai, Jianhong Gong, Jiguang Li, Shuhong Zhang, Cuihong Wang, Yucheng She, Yuzhang Wang, Mengying Tao
Filed: 11 Sep 17
Utility
Catalyst for producing light aromatics with heavy aromatics, method for preparing the catalyst, and use thereof
20 Jul 21
A catalyst for producing light aromatics with heavy aromatics, a method for preparing the catalyst, and a use thereof are disclosed.
Jingqiu Li, Dejin Kong, Huaying Li, Deqin Yang, Weiyi Tong, Jian Ding, Min Hou, Yan Chen, Xuemei Chen, Liangkai Wang
Filed: 20 Aug 18
Utility
NaY molecular sieve with an aluminum-rich surface and a process of preparing same
15 Jul 21
A NaY molecular sieve with an aluminum-rich surface is prepared using a process that includes the steps of: a. mixing a directing agent and a first silicon source to obtain a first mixture, wherein the directing agent has a molar composition of Na2O: Al2O3: SiO2: H2O=(6-25): 1: (6-25): (200-400); b. mixing the first mixture obtained in the step a with a second silicon source, an aluminum source and water to obtain a second mixture; c. carrying out hydrothermal crystallization on the second mixture obtained in the step b, and collecting a solid product.
Qiang FU, Yongxiang LI, Chengxi ZHANG, Hexin HU, Xuhong MU, Xingtian SHU
Filed: 27 May 19
Utility
Catalyst Component for Olefin Polymerization, Preparation Method Thereof, and Catalyst Including Same
8 Jul 21
Rui ZHANG, Zhong TAN, Qilong ZHOU, Xiudong XU, Fengkui LI, Shanshan YIN, Jinhua YU, Weiwei SONG
Filed: 21 May 19
Utility
Modified Y-type molecular sieve, preparation thereof and catalyst comprising the same
6 Jul 21
A modified Y-type molecular sieve has a rare earth oxide content of about 4% to about 12% by weight, a phosphorus content of about 0% to about 10% by weight, a sodium oxide content of no more than about 1.0% by weight, a total pore volume of about 0.36 to 0.48 mL/g, a percentage of the pore volume of secondary pores to the total pore volume of about 20% to about 40%, a lattice constant of about 2.440 nm to about 2.455 nm, a percentage of the non-framework aluminum content to the total aluminum content of no more than about 10%, a lattice collapse temperature of not lower than about 1060° C., and a ratio of Brønsted acid to Lewis acid of no less than about 3.50.
Lingping Zhou, Weilin Zhang, Mingde Xu, Zhenyu Chen, Huiping Tian, Yuxia Zhu
Filed: 12 Feb 18
Utility
Magnesium modified Y-type molecular sieve, preparation thereof and catalyst comprising the same
6 Jul 21
A magnesium modified Y-type molecular sieve has a rare earth oxide content of about 4% to about 11% by weight, a magnesium oxide content of about 0.1% to about 4% by weight, a sodium oxide content of about 0.3% to about 0.8% by weight, a total pore volume of about 0.33 mL/g to about 0.39 mL/g, a percentage of the pore volume of secondary pores having a pore size of 2-100 nm to the total pore volume of the modified Y-type molecular sieve of about 10% to about 30%, a lattice constant of about 2.440 nm to about 2.455 nm, a percentage of non-framework aluminum content to the total aluminum content of the modified Y-type molecular sieve of no more than about 20%, and a lattice collapse temperature of not lower than about 1045° C.
Lingping Zhou, Weilin Zhang, Mingde Xu, Zhenyu Chen, Huiping Tian, Yuxia Zhu
Filed: 12 Feb 18
Utility
Polyester composition and preparation method therefor
6 Jul 21
A polyester composition includes polybutylene terephthalate and an aliphatic-aromatic copolyester.
Cui Zheng, Guixiang Zhu, Lizhi Liu, Wei Zhang
Filed: 20 Oct 17
Utility
Novel Sliding Sleeve
24 Jun 21
A new sliding sleeve relates to the technical field of oil and gas well completion and reservoir stimulation, and the new sliding sleeve includes an upper connector, a lower connector, an outer housing, an inner sleeve and a shear pin, as disclosed herein.
Zhenwei GAN, Bin QI, Shunqu HU, Zhimin HOU, Yongmao LIN, Tao LIU, Chen CHEN, Lei WANG, Dan HU, Jiang QIAN
Filed: 13 Jan 17
Utility
Device for Jet Packing and Fracturing and Tubular Column Comprising Same
24 Jun 21
A device for perforating, packing and fracturing and a tubing string comprising the device are disclosed.
Zhenwei GAN, Bin QI, Zhimin HOU, Shunqu HU, Wei LEI, Chen CHEN, Zhi XIE, Qiang WANG, Wei ZHAO, Yijun ZHOU
Filed: 13 Jan 17
Utility
Heat Transfer Enhancement Pipe As Well As Cracking Furnace and Atmospheric and Vacuum Heating Furnace Including the Same
24 Jun 21
The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same.
Guoqing WANG, Junjie LIU, Lijun ZHANG, Cong ZHOU, Zhaobin ZHANG, Shasha YANG, Dongfa SHEN, Xiaofeng LI, Shifang YANG, Zhiguo DU, Yonggang ZHANG, Ying SHI, Jinghang GUO
Filed: 25 Oct 18
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