Patents Assigned to CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, Taipei(Taiwan)
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Patent number: 11905235Abstract: The present invention provides a method for preparing 2,2-bis(4-hydroxycyclohexyl)propane, comprising: hydrogenating a reactive solution containing 2,2-bis(4-hydroxyphenyl)propane under a hydrogen atmosphere in a reactor with catalyst within a temperature range of 80-165° C. and a pressure range of 85-110 kg/cm2 to prepare the 2,2-bis(4-hydroxycyclohexyl)propane. The method of present invention has an advantage of high yield properties and achieves mass production easily, thereby enhancing the value of the industrial application.Type: GrantFiled: June 14, 2022Date of Patent: February 20, 2024Assignee: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, TAIPEI (TAIWAN)Inventors: Yi-Chi Wang, Hsin-Wei Chang, Weng-Keong Tang, Chia-Hui Shen
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Publication number: 20230150903Abstract: The present invention provides a method for preparing 2,2-bis(4-hydroxycyclohexyl)propane, comprising: hydrogenating a reactive solution containing 2,2-bis(4-hydroxyphenyl)propane under a hydrogen atmosphere in a reactor with catalyst within a temperature range of 80-165° C. and a pressure range of 85-110 kg/cm2 to prepare the 2,2-bis(4-hydroxycyclohexyl)propane. The method of present invention has an advantage of high yield properties and achieves mass production easily, thereby enhancing the value of the industrial application.Type: ApplicationFiled: June 14, 2022Publication date: May 18, 2023Applicant: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, TAIPEI (TAIWAN)Inventors: Yi-Chi WANG, Hsin-Wei CHANG, Weng-Keong TANG, Chia-Hui SHEN
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Publication number: 20220380745Abstract: Provided is a non-naturally occurring microorganism capable of producing cadaverine, wherein the microorganism is genetically modified to overexpress lysine decarboxylase and pyridoxal kinase. Also provided is a method for producing cadaverine by using such microorganism without adding external pyridoxal 5?-phosphate.Type: ApplicationFiled: May 28, 2021Publication date: December 1, 2022Applicant: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, TAIPEI (TAIWAN)Inventors: Jo-Shu CHANG, I-Son NG, Cheng-Feng XUE, Ying-Jung CHEN, Chang-Yi CHEN, Yu-Chiao LIU
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Patent number: 10787409Abstract: A method for producing a cyclohexanone dimer is provided. The method includes the steps of performing condensation of cyclohexanone in the presence of a solid acid catalyst to obtain the cyclohexanone dimer, wherein the solid acid catalyst includes metal oxide of tungsten and a carrier with Lewis acid sites and Brønsted acid sites. The method of the present disclosure has an advantage of mild reaction condition, fast reaction rate and high selectivity, thereby realizing the value of the industrial application.Type: GrantFiled: April 8, 2020Date of Patent: September 29, 2020Assignee: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, TAIPEI (TAIWAN)Inventors: Chih-Cheng Chang, Hong-Kai Yang, Chia-Tsen Tsai, Chia-Hui Shen
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Publication number: 20200131110Abstract: The present disclosure provides a method for preparing o-phenyl phenoxyalkyl acrylate, including: transesterifying an acrylate-based compound with a biphenyl alcohol compound in the absence of a solvent and in the presence of a catalyst and a polymerization inhibitor to prepare the o-phenyl phenoxyalkyl acrylate represented by the following formula (II), wherein the catalyst is a compound containing a tin element or a titanium element. According to the method of the present disclosure, the o-phenyl phenoxyalkyl acrylate having transparency and high refractive index can be obtained. Moreover, the method of the present disclosure has the characteristics of high conversion rate and high selectivity, and does not need to add other organic solvents, so that many purification processes can be saved, and the production cost is effectively reduced, which has the value of industrial application.Type: ApplicationFiled: June 20, 2019Publication date: April 30, 2020Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Yu-Sen Chen, Min-Chia Huang, Yu-Chiao Liu, Chih-Wei Chang
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Patent number: 10633325Abstract: The present disclosure provides a method for preparing o-phenyl phenoxyalkyl acrylate, including: transesterifying an acrylate-based compound with a biphenyl alcohol compound in the absence of a solvent and in the presence of a catalyst and a polymerization inhibitor to prepare the o-phenyl phenoxyalkyl acrylate represented by the following formula (II), wherein the catalyst is a compound containing a tin element or a titanium element. According to the method of the present disclosure, the o-phenyl phenoxyalkyl acrylate having transparency and high refractive index can be obtained. Moreover, the method of the present disclosure has the characteristics of high conversion rate and high selectivity, and does not need to add other organic solvents, so that many purification processes can be saved, and the production cost is effectively reduced, which has the value of industrial application.Type: GrantFiled: June 20, 2019Date of Patent: April 28, 2020Assignee: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Yu-Sen Chen, Min-Chia Huang, Yu-Chiao Liu, Chih-Wei Chang
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Patent number: 8877959Abstract: A method for preparing a pyruvate ester is disclosed. In the method of the present invention, a lactate ester is oxidized by hydrogen peroxide in the presence of a Ti—Si molecular sieve catalyst. In the present invention, the Ti—Si molecular sieve catalyst is easily filtered and recycled, the reaction conditions are mild due to the usage of hydrogen peroxide, the process is simple and easily performed, the conversion rate of the lactate ester is high, and the selectivity of the pyruvate ester is high.Type: GrantFiled: September 14, 2012Date of Patent: November 4, 2014Assignee: China Petrochemical Development Corporation Taipei (Taiwan)Inventors: Shun-I Fang, Cheng-Fa Hsieh, Chien-Chuan Shih
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Patent number: 8772194Abstract: The present invention provides a method for preparing a large-sized titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve. The method for preparing a large-sized titanium-silicalite molecular sieve includes preparing a mixture of a titanium source, a silicon source and a template agent; heating the mixture to form a gel mixture; mixing a colloidal silica with the gel mixture; heating the gel mixture mixed with the colloidal silica in a water bath; and calcining the gel mixture mixed with the colloidal silica. In the present invention, the average particle size of the large-sized titanium-silicalitem molecular sieve is more than 10 um, and the particle size distribution is centralized, so as to avoid the formation of titanium-oxygen-titanium bonding. The method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve results in high conversion rate, high selectivity and easy recovery.Type: GrantFiled: January 6, 2012Date of Patent: July 8, 2014Assignee: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Shih-Yao Chao, Cheng-Fa Hsieh, Chien-Chang Chiang, Ya-Ping Chen, Pin-To Yao
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Publication number: 20140179951Abstract: A method for producing a ketoxime is provided. The method includes the step of performing a reaction of a nitrogen-containing compound, ketone and an oxidant by using a titanium-silicon molecular sieve as a catalyst, so as to form the ketoxime, thereby increasing the yield and selectivity of the ketoxime.Type: ApplicationFiled: November 22, 2013Publication date: June 26, 2014Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Shih-Yao Chao, Cheng-Fa Hsieh, Chien-Chang Chiang, Pin-To Yao
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Publication number: 20140179956Abstract: A method for preparing catechol is provided. The method includes performing hydroxylation of phenol by using zirconium-containing titanium silicalite as a catalyst in the presence of phenol, a solvent and hydrogen peroxide. The method uses zirconium-containing titanium silicalite as a catalyst to increase the selectivity of phenol and utilization of hydrogen peroxide, and thus to increase the overall reaction yield.Type: ApplicationFiled: December 11, 2013Publication date: June 26, 2014Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: I-Hui Lin, Cheng-Fa Hsieh, Pin-To Yao
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Publication number: 20140179938Abstract: A method for producing an epoxide is disclosed. The method includes performing a reaction of an olefin compound and an oxidant by using a titanium-silicon molecular sieve as a catalyst, in the presence of a silicon oxide containing an alkaline earth metal as a coagent. The selectivity and yield of epoxide are increased by using a silicon oxide containing an alkaline metal as a coagent.Type: ApplicationFiled: December 11, 2013Publication date: June 26, 2014Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Yu-Chuan Hsu, Cheng-Fa Hsieh
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Publication number: 20140179937Abstract: A method for producing an epoxide is provided. The method includes a step of performing a reaction of an olefine compound and an oxidant to form the epoxide by using a titanium-silicon molecular sieve as a catalyst, thereby increasing the conversion rate of the oxidant and the yield of the epoxide.Type: ApplicationFiled: October 29, 2013Publication date: June 26, 2014Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Yu-Chuan Hsu, Cheng-Fa Hsieh
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Patent number: 8753998Abstract: The present invention provides a method for preparing a titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the titanium-silicalite molecular sieve. The method for preparing a titanium-silicalite molecular sieve includes the steps of preparing a mixture of a titanium source, a silicon source and a template agent, wherein the titanium source has a structure of formula (I); heating the mixture to form a gel mixture; mixing the gel mixture with water; heating the gel mixture mixed with the water in a water bath; and calcining the gel mixture mixed with the water. The method using the titanium-silicalite molecular sieve for preparing cyclohexanone oxime results in high conversion rate and high selectivity.Type: GrantFiled: January 6, 2012Date of Patent: June 17, 2014Assignee: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Chien-Chang Chiang, Cheng-Fa Hsieh, Pin-To Yao, Shih-Yao Chao
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Publication number: 20140127556Abstract: A lithium salt is disclosed. The lithium salt includes a lithium ion and an anion represented by formula (I), wherein R1 to R5 are independently selected from hydrogen atom, cyano group, fluorine atom, and C1-C5 alkyl group, in which the C1-C5 alkyl group is substituted with at least one fluorine atom. The present invention further provides an electrolyte solution and a lithium battery containing the lithium salt to enable a high conductivity of the battery at a high temperature.Type: ApplicationFiled: October 30, 2013Publication date: May 8, 2014Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventor: Fu-Ming Wang
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Publication number: 20140100392Abstract: A method for hydroxylation of phenol is disclosed. The method includes the step of performing a reaction of phenol and hydrogen peroxide to form diphenol in the presence of solid catalyst with zeolite framework, wherein the solid catalyst includes silicon oxide, titanium oxide and cobalt oxide. The solid catalyst used in the preparation of diphenol of the present invention has high conversion rate of diphenol, selectivity of diphenol and higher utilization rate of hydrogen peroxide without using high concentration of hydrogen peroxide.Type: ApplicationFiled: October 2, 2013Publication date: April 10, 2014Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: I-Hui Lin, Cheng-Fa Hsieh, Pin-To Yao
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Publication number: 20140046079Abstract: A method for preparing an epoxide is disclosed. The method for preparing an epoxide includes the step of performing a reaction of an alkene and oxidant in the presence of a Ti—Si molecular sieve as a catalyst, and increases the conversion rate of hydrogen peroxide and the yield of the epoxide.Type: ApplicationFiled: September 13, 2012Publication date: February 13, 2014Applicant: China Petrochemical Development Corporation Taipei (Taiwan)Inventors: Yu-Chuan Hsu, Cheng-Fa Hsieh, I-Hui Lin
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Publication number: 20140031581Abstract: A method for preparing a pyruvate ester is disclosed. In the method of the present invention, a lactate ester is oxidized by hydrogen peroxide in the presence of a Ti-Si molecular sieve catalyst. In the present invention, the Ti-Si molecular sieve catalyst is easily filtered and recycled, the reaction conditions are mild due to the usage of hydrogen peroxide, the process is simple and easily performed, the conversion rate of the lactate ester is high, and the selectivity of the pyruvate ester is high.Type: ApplicationFiled: September 14, 2012Publication date: January 30, 2014Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Shun-I Fang, Cheng-Fa Hsieh, Chien-Chuan Shih
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Publication number: 20130323608Abstract: The present invention provides an electrolyte solution including an ionic liquid having the structure of formula (I): wherein R1 is C1-C6alkyl, R2 is C2-C7alkyl, A? is defined in the specification. The electrolyte solution of the present invention has high conductivity and high thermal stability.Type: ApplicationFiled: February 26, 2013Publication date: December 5, 2013Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventor: China Petrochemical Development Corporation, Taipei (Taiwan)
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Publication number: 20130303796Abstract: A method for continuously preparing a carboxylic acid ester is disclosed. In the method of the present invention, a vertical reactor is filled with a solid catalyst, a carboxylic acid and an alcohol are introduced into a lower part of the vertical reactor, esterification is performed to form an esterized mixture, the esterized mixture is output from an upper part of the vertical reactor, and distillation is performed to isolate the carboxylic acid ester. The method of the present invention is simple, easily controlled and environmental friendly, and has significantly high conversion rate and selectivity.Type: ApplicationFiled: October 15, 2012Publication date: November 14, 2013Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Jih-Dar Hwang, Yung-Shun Kung, Yao-Ching Tsai
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Publication number: 20130053575Abstract: The present invention provides a catalyst composition and a method for preparing an amide. The catalyst composition of the present invention including a hydroxylamine salt, sulfuric acid, and a nitrogen-containing heterocyclic compound is used for catalyzing a ketoxime to form an amide in the Beckman rearrangement reaction. The preparation of an amide by using the catalyst composition of the present invention has high conversion rate of a ketoxime, high selectivity of an amide and high tolerance to water.Type: ApplicationFiled: January 27, 2012Publication date: February 28, 2013Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Chien-Chuan Shih, Cheng-Fa Hsieh, Hung-Hung Hseuh, Tung-Han Tsai