Patents Assigned to Research Chemical
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Patent number: 11976891Abstract: 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. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein a height of the fin (11) gradually increases from one end in at least a part extension of the fin. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.Type: GrantFiled: October 25, 2018Date of Patent: May 7, 2024Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: 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
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Patent number: 11970510Abstract: Disclosed are a catalyst component and a catalyst for olefin polymerization, and an olefin polymerization method. The catalyst component comprises magnesium, titanium, a halogen and an internal electron donor, wherein the internal electron donor comprises a monocarboxylic acid ester compound and a diether compound, and the molar ratio of the monocarboxylic acid ester compound to the diether compound is (0.0035-0.7):1. By using the catalyst, a polymer having both a high isotactic index and a high melt flow index can be prepared.Type: GrantFiled: October 15, 2019Date of Patent: April 30, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Jin Zhao, Xianzhi Xia, Yuexiang Liu, Yang Tan, Chunhong Ren, Weili Li, Long Chen, Futang Gao, Yongtai Ling, Tao Liu
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Publication number: 20240136515Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.Type: ApplicationFiled: November 15, 2021Publication date: April 25, 2024Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTDInventors: Sanghyuk LEE, Jong II PARK, Jung Hoon SONG, Sang Cheol NAM, Kwon Young CHOI, Inchul PARK, Ohmin KWON
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Patent number: 11965089Abstract: A microspheric ionomer having a cross-linked structure, a preparation method therefor, applications thereof, and a preparation system thereof. The ionomer comprises structure units A represented by formula (1), structure units B represented by formula (2), and a cross-linking structure provided by a cross-linking agent, M being separately selected from H, a metal cation, and a straight chain, a saturated alkyl of branched or ring-shaped C1-C20, R being H or a methyl; and metal cations are introduced to part of structure units A in the ionomer. The ionomer shows an outstanding effect on nucleation of PET, serves as a nucleating agent for PET modification, so as to obtain a corresponding PET composition.Type: GrantFiled: October 25, 2018Date of Patent: April 23, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Wenbo Song, Hao Yuan, Zhenjie Liu, Jinliang Qiao, Shijun Zhang, Hua Yin, Huijie Hu, Qing Shao, Jie Zhang, Xiaomeng Zhang, Dezhan Li, Fuyong Bi
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Patent number: 11958011Abstract: A separation device includes a membrane separation module (10), an adsorption module (20), and a gas intake module (30). The membrane separation module includes a first housing (110), and a membrane assembly (130) disposed in the first housing. The first housing has a first gas inlet (121), a first gas outlet (122), and a retentate gas outlet (123). The membrane module has a permeate gas outlet, the permeate gas outlet being in communication with the first gas outlet. The adsorption module has a second housing (210) and an adsorbent layer (230) disposed in it. The second housing is disposed on the first housing and has a second gas inlet (221), a second gas outlet (222), and a desorption gas outlet (223). The second gas inlet is in communication with the first gas outlet. The gas intake module has a third gas outlet (321) in communication with the first gas inlet.Type: GrantFiled: December 26, 2019Date of Patent: April 16, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, CORP.Inventors: Shengzhong Zhang, Ying Zhang, Kai Qiao, Dequan Fan, Yanpeng Zhang, Ming Gao
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Patent number: 11952283Abstract: A silicon-and germanium-based molecular sieve has a framework chemical composition as represented by the formula “SiO2.1/nGeO2”. The silicon/germanium molar ratio is 0.1n30. The molecular sieve has a unique X-ray diffraction pattern. It can be used in adsorptive separation, ion exchange, and catalytic conversion of organic compounds.Type: GrantFiled: July 9, 2020Date of Patent: April 9, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPECInventors: Weimin Yang, Wenhua Fu, Zhiqing Yuan, Zhendong Wang, Jiawei Teng, Weichuan Tao, Shengli Zhao
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Patent number: 11926794Abstract: A continuous operation method is employed for the microwave high-temperature pyrolysis of a solid material containing an organic matter. The method includes the steps of mixing a solid material containing an organic matter with a liquid organic medium; transferring the obtained mixture to a microwave field; and in the microwave field, continuously contacting the mixture with a strong wave absorption material in an inert atmosphere or in vacuum. The strong wave absorption material continuously generates a high temperature under a microwave such that the solid material containing an organic matter and the liquid organic medium are continuously pyrolyzed to implement a continuous operation.Type: GrantFiled: September 27, 2019Date of Patent: March 12, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Haibin Jiang, Jinliang Qiao, Xiaohong Zhang, Wenlu Liu, Jianming Gao, Guicun Qi, Zhihai Song, Jinmei Lai, Chuanlun Cai, Binghai Li, Xiang Wang, Yue Ru, Hongbin Zhang, Peng Han, Jiangru Zhang, Chao Jiang, Zhaoyan Guo
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Patent number: 11926687Abstract: 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. The polar grafted polypropylene resin that does not contain initiator residues and does not have a significant reduction in molecular mass compared with a resin before grafting is obtained.Type: GrantFiled: April 26, 2019Date of Patent: March 12, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: 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
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Patent number: 11920083Abstract: This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an anionic-nonionic surfactant, and exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present surfactant composition, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.Type: GrantFiled: June 11, 2020Date of Patent: March 5, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Yingcheng Li, Songyuan Gu, Weidong Zhang, Xinning Bao, Zhiqin Shen, Hengzhi Tang, Xiaodong Zhai
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Patent number: 11913324Abstract: 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. The structural complexity and the length of the downhole imaging measurement instrument can be reduced, and feature recognition can be directly performed on the imaging data underground.Type: GrantFiled: August 26, 2020Date of Patent: February 27, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF PETROLEUM ENGINEERINGInventors: Yijin Zeng, Wei Zhang, Weining Ni, Xin Li, Lipeng Yan, Jinping Wu, Yuefa Hu, Lishuang Wang, Zuyang Zhu, Jintai Mi
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Patent number: 7033765Abstract: Compounds and methods which are useful for the site-specific delivery and localization of drugs are provided. The compounds can be represented by the formula: A-L-D wherein A is an anchoring moiety; L is a linking group; and D is a drug.Type: GrantFiled: February 19, 1998Date of Patent: April 25, 2006Assignee: Toronto Research Chemicals, Inc.Inventors: David S. Dime, Peter Backx, Klaus Kimmeldirk
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Publication number: 20060009375Abstract: Compounds and methods which are useful for the site-specific delivery and localization of drugs are provided. The compounds can be represented by the formula: A-L-D wherein A is an anchoring moiety; L is a linking group; and D is a drug.Type: ApplicationFiled: April 27, 2005Publication date: January 12, 2006Applicant: Toronto Research Chemicals, Inc.Inventors: David Dime, Peter Backx, Klaus Himmeldirk
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Patent number: 6780390Abstract: A method of producing high purity germanium tetrafluoride comprising the step of flowing a mixture of inert gas and fluorine gas through a reactor chamber preferably containing germanium powder. The reactor effluent stream is conducted through at least one product trap effective for condensing and retaining at least a portion of the germanium tetrafluoride product. The product is preferably then purified by repeatedly subliming the product as necessary to remove volatile impurities.Type: GrantFiled: August 14, 2002Date of Patent: August 24, 2004Assignee: Advance Research Chemicals, Inc.Inventors: Sudhir Solomon Bhagat, Dayal T. Meshri, Sanjay D. Meshri, Michale Shane Petty
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Publication number: 20040076577Abstract: A method of producing high purity germanium tetrafluoride comprising the step of flowing a mixture of inert gas and fluorine gas through a reactor chamber preferably containing germanium powder. The reactor effluent stream is conducted through at least one product trap effective for condensing and retaining at least a portion of the germanium tetrafluoride product. The product is preferably then purified by repeatedly subliming the product as necessary to remove volatile impurities.Type: ApplicationFiled: August 14, 2002Publication date: April 22, 2004Applicant: Advance Research Chemicals, Inc.Inventors: Sudhir Solomon Bhagat, Dayal T. Meshri, Sanjay D. Meshri, Michale Shane Petty
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Patent number: 6468805Abstract: In an automated analyzer containing a spectrophotometer for determining color changes in a urine sample the urine is admixed with a basic indicator effecting the first color change and an acidic indicator effecting a second color change, a surfactant and water. The spectrophotometer determines and prints whether a first or second color change has occurred.Type: GrantFiled: May 1, 1995Date of Patent: October 22, 2002Assignee: Chimera Research and Chemical Inc.Inventor: Jack V. Smith
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Patent number: 6017491Abstract: Elastomeric compositions having incorporated therein certain specific compounds and/or compositions which are non-toxic but render the metals to which the compositions are applied resistant to corrosion, particularly, when in a salt environment.Type: GrantFiled: June 11, 1998Date of Patent: January 25, 2000Assignees: Products Research & Chemical, Lockheed CorporationInventors: Ahmed Sharaby, Robert N. Miller
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Patent number: 5801059Abstract: Aliquot of a urine sample is placed in a first automated analyzer sampling cup and a known standard is placed in a second cup. The urine sample and standard are transferred to separate cuvettes and at least one reagent composition in an aqueous medium is injected into the cuvette. The reagent composition contains a compound to remove substances in the urine interfering with a calorimetric reaction, a compound to convert B-hydroxybutyric acid in the urine to acetoacetic acid in the presence of nicotinamide adenine dinucleotide and reading at a specified wavelength to determine quantitatively the total ketone bodies in the patient's urine.Type: GrantFiled: March 19, 1996Date of Patent: September 1, 1998Assignee: Chimera Research & Chemical, Inc.Inventors: Jack V. Smith, Jesse M. Carter
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Patent number: 5801060Abstract: In an automated analyzer containing a spectrophotometer for determining color changes in a urine sample the urine is admixed with a litmus, methyl red or azolitmin indicator effecting the color change, a surfactant and water. The spectrophotometer determines and prints whether a color change has occurred.Type: GrantFiled: August 27, 1997Date of Patent: September 1, 1998Assignee: Chimera Research & Chemical, Inc.Inventor: Jack V. Smith
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Patent number: 5785770Abstract: Brazing fluxes comprising a combination of a fluoroaluminate complex and selected metal fluorosilicates, including their method of manufacture and use, are disclosed.Type: GrantFiled: May 30, 1996Date of Patent: July 28, 1998Assignee: Advance Research Chemicals, Inc.Inventors: Dayal T. Meshri, Sanjay D. Meshri, Dinshaw B. Contractor, Jennifer Parker
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Patent number: 5776780Abstract: Detecting white blood cells in an aliquot of urine by placing the aliquot of urine in an automated analyzer sampling cup, transferring the urine to a cuvette and injecting at least one reagent composition. The reagent composition contains a buffer, an activator such as benzalkonium chloride, an indicator and at least one substance to remove substances in the urine that cause interference with colorimetric photometry. The aliquot of urine is read in accordance with a preprogrammed code at a monochromatically specified wavelength to compare absorbance of the patient's urine with a known standard containing a known concentration of white blood cells.Type: GrantFiled: April 12, 1996Date of Patent: July 7, 1998Assignee: Chimera Research & Chemical, Inc.Inventors: Jack V. Smith, Jesse M. Carter