1
Zaiting Li, Shunhua Liu, Xingpin Ge: Production of gaseous olefins by catalytic conversion of hydrocarbons. Research Institute of Petroleum Processing SINOPEC, Birch Stewart Kolasch & Birch, December 25, 1990: US04980053 (59 worldwide citation)

Various fractions of petroleum, including residual oils and crude oils, are catalytically converted to produce gaseous olefins, especially propylene and butylene, in fluidized or moving bed or transfer line reactors with solid, acidic catalysts in the presence of steam at a temperature of 500.degree ...


2
Zhicheng Shi, Fengmei Zhang, Shunhua Liu: Catalyst for catalytic pyrolysis process for the production of light olefins and the preparation thereof. China Petrochemical Corporation, Research Institute of Petroleum Processing SINOPEC, Birch Stewart Kolasch & Birch, April 3, 2001: US06211104 (55 worldwide citation)

A catalyst for catalytic pyrolysis process for the production of light olefins comprises 10˜70 wt % (based on the weight of catalyst) of clay, 5˜85 wt % of inorganic oxides and 1-50 wt % zeolite, wherein said zeolite is a mixture of 0˜25 wt % of Y type zeolite and 75˜100 wt % of phosphorus and alumi ...


3
Song Chen, Tingyu Li, Guangwei Cao, Minghua Guan: Amorphous silica-alumina, a carrier combination and a hydrocracking catalyst containing the same, and processes for the preparation thereof. China Petrochemical Corporation, Fushun Research Institute of Petroleum and Petrochemicals SINOPEC, Birch Stewart Kolasch & Birch, June 4, 2002: US06399530 (44 worldwide citation)

An acidic amorphous silica-amumina has a large specific surface area and a large pore volume. A carrier complex and a hydrotreating catalyst containing acidic amorphous silica-alumina, in particular a hydrocracking catalyst containing acidic amorphous silica-alumina in combination with a modified ze ...


4
Mingyuan He, Xiaoming Yang, Xingtian Shu, Jinge Luo: Phosphorous containing zeolite having MFI type structure. China Petrochemical Corporation, Research Institute of Petroleum Processing Sinopec, Birch Stewart Kolasch & Birch, September 14, 1999: US05951963 (39 worldwide citation)

The present invention discloses a phosphorus-containing zeolite having MFI type structure. The anhydrous composition (based on the mole ratios of oxides) of the above zeolite is


5
Xutian Hou, Chunguo Yang, Bingtang Gao, Yijin Zeng, Caixuan Guo, Jianlong Zhang: Automatic control system and method for bottom hole pressure in the underbalance drilling. China Petroleum & Chemical Corporation, Exploration & Production Research Institute Sinopec, Marshall Gerstein & Borun, January 2, 2007: US07158886 (26 worldwide citation)

This invention provides an automatic control system and method for bottom hole pressure (BHP) in the underbalanced drilling. It relates to a computer automatic control technology. The automatic control system according to the invention includes a processing module for the BHP based on the mechanisms ...


6
Song Chen, Tingyu Li, Guangwei Cao, Minghua Guan: Amorphous silica-alumina, a carrier combination and a hydrocracking catalyst containing the same, and processes for the preparation thereof. China Petrochemical, Fushun Research Institute of Petroleum & Petrochemical SINOPEC, Birch Stewart Kolasch & Birch, April 20, 2004: US06723297 (23 worldwide citation)

An acidic amorphous silica-alumina having large specific surface area and a large pore volume, a carrier complex and a hydrotreating catalyst containing said acidic amorphous silica-alumina, in particular a hydrocracking catalyst containing said acidic amorphous silica-alumina in combination with a ...


7
Li Zaiting, Xie Chaogang, Shi Wenyuan, Jiang Fukang, Liu Shunhua, Pan Rennan, Li Shichun: Process for producing light olefins by catalytic conversion of hydrocarbons. China Petro Chemical Corporation, Research Institute of Petroleum Processing SINOPEC, Hedman Gibson & Costigan P C, September 23, 1997: US05670037 (22 worldwide citation)

A process for producing light olefins, especially ethylene, propylene, isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are contacted with phosphorus and rare earth containing high silica zeolite having a structure of pentasil cataly ...


8
Weizhong Pan, Yubing Wang, Wen Zhou, Yousong Li, Yusong Xue, Weimin Chen: Simulated moving bed absorption separation process. Yangzi Petro Chemical Corp Sinopec, Burns Doane Swecker & Mathis L, March 23, 1999: US05884777 (22 worldwide citation)

Disclosed is a method for the adsorptive separation by utilizing an improved simulated moving bed. This invention provides an improved formula for the calculation of primary flush flowrate by correspondingly associating the primary flush flowrate with each connection line by introducting a volume fa ...


9
Jinliang Qiao, Genshuan Wei, Xiaohong Zhang, Shijun Zhang, Jianming Gao, Wei Zhang, Yiqun Liu, Jiuqiang Li, Fengru Zhang, Renli Zhai, Jingbo Shao, Kunkai Yan, Hua Yin: Fully vulcanized powdery rubber having a controllable particle size, preparation and use thereof. China Petro Chemical Corporation, Beijing Research Institute of Chemical Industry Sinopec, Ladas & Parry, July 23, 2002: US06423760 (22 worldwide citation)

The present invention provides a fully vulcanized powdery rubber having a particle size of from 20 to 2000 nm, its preparation and use. The vulcanized powdery rubber is obtained by irradiating a rubber latex having a particle size of from 20 to 2000 nm with a high-energy irradiation. The vulcanized ...


10
Jingjie Guan, Enze Min, Zhiqing Yu: Class of pillared interlayered clay molecular sieve products with regularly interstratified mineral structure. Research Institute of Petroleum Processing Sinopec, Ladas & Parry, July 12, 1988: US04757040 (21 worldwide citation)

A class of pillared interlayered clay molecular sieves with large pore size were prepared by cross-linking the regularly interstratified mineral clay. Wherein the cross-linked rectorites possess an extraordinary thermal and hydrothermal stabilities. Said class of pillared interlayered clay molecular ...