Patents by Inventor Sophon Kaeothip
Sophon Kaeothip has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12496575Abstract: The present invention relates to catalyst composition for cyclic carbonate production from CO2 and epoxides under mild conditions, which can effectively catalyze the cyclic carbonate synthesis and provides good selectivity to cyclic carbonate, wherein said catalyst composition comprising: a) the metal complex as shown in structure (I): wherein, M represents transition metal atom; R1, R2, and R3 represent independent group selected from hydrogen atom, halogen atom, alkyl group, alkenyl group, alkynyl group, alkoxy group, amine group, phenyl group, benzyl group, cyclic hydrocarbon group comprising hetero atom, perfluoroalkyl group, or nitro group; R4 represents group selected from alkylene group, cycloalkylene group, or phenylene group; X represents group selected from hydrogen atom, acetate group, or triflate group; and b) the organic compound as the co-catalyst selected from compound containing nitrogen, compound of quaternary ammonium salts, or compound of iminium salts.Type: GrantFiled: September 30, 2020Date of Patent: December 16, 2025Assignee: PTT Global Chemical Public Company LimitedInventors: Jiraya Kiriratnikorn, Kunnigar Vongnam, Nopparat Thavornsin, Pornpen Sae-Ung, Sophon Kaeothip, Anucha Euapermkiati, Khamphee Phomphrai
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Patent number: 12377406Abstract: The present invention relates to catalyst composition for cyclic carbonate production from CO2 and olefins using halohydrin agent as the co-reactant under mild conditions, which can effectively catalyze the cyclic carbonate synthesis and provides good selectivity to cyclic carbonate, wherein said catalyst composition comprising: a) the metal complex as shown in structure (I): wherein, M represents transition metal atom; R1, R2, and R3 represent independent group selected from hydrogen atom, halogen atom, alkyl group, alkenyl group, alkynyl group, alkoxy group, amine group, phenyl group, benzyl group, cyclic hydrocarbon group comprising hetero atom, perfluoroalkyl group, or nitro group; R4 represents group selected from alkylene group, cycloalkylene group, or phenylene group; X represents group selected from halogen atom, acetate group, or triflate group; b) the halohydrin agent in at least one solvent; and c) at least one base.Type: GrantFiled: September 30, 2020Date of Patent: August 5, 2025Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Kunnigar Vongnam, Nopparat Thavornsin, Pornpen Sae-Ung, Sophon Kaeothip, Anucha Euapermkiati, Khamphee Phomphrai
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Publication number: 20220401937Abstract: The present invention relates to catalyst composition for cyclic carbonate production from CO2 and olefins using halohydrin agent as the co-reactant under mild conditions, which can effectively catalyze the cyclic carbonate synthesis and provides good selectivity to cyclic carbonate, wherein said catalyst composition comprising: a) the metal complex as shown in structure (I): wherein, M represents transition metal atom; R1, R2, and R3 represent independent group selected from hydrogen atom, halogen atom, alkyl group, alkenyl group, alkynyl group, alkoxy group, amine group, phenyl group, benzyl group, cyclic hydrocarbon group comprising hetero atom, perfluoroalkyl group, or nitro group; R4 represents group selected from alkylene group, cycloalkylene group, or phenylene group; X represents group selected from halogen atom, acetate group, or triflate group; b) the halohydrin agent in at least one solvent; and c) at least one base.Type: ApplicationFiled: September 30, 2020Publication date: December 22, 2022Inventors: Kunnigar VONGNAM, Nopparat THAVORNSIN, Pornpen SAE-UNG, Sophon KAEOTHIP, Anucha EUAPERMKIATI, Khamphee PHOMPHRAI
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Publication number: 20220379290Abstract: The present invention relates to catalyst composition for cyclic carbonate production from CO2 and epoxides under mild conditions, which can effectively catalyze the cyclic carbonate synthesis and provides good selectivity to cyclic carbonate, wherein said catalyst composition comprising: a) the metal complex as shown in structure (I): wherein, M represents transition metal atom; R1, R2, and R3 represent independent group selected from hydrogen atom, halogen atom, alkyl group, alkenyl group, alkynyl group, alkoxy group, amine group, phenyl group, benzyl group, cyclic hydrocarbon group comprising hetero atom, perfluoroalkyl group, or nitro group; R4 represents group selected from alkylene group, cycloalkylene group, or phenylene group; X represents group selected from hydrogen atom, acetate group, or triflate group; and b) the organic compound as the co-catalyst selected from compound containing nitrogen, compound of quaternary ammonium salts, or compound of iminium salts.Type: ApplicationFiled: September 30, 2020Publication date: December 1, 2022Inventors: Jiraya KIRIRATNIKORN, Kunnigar VONGNAM, Nopparat THAVORNSIN, Pornpen SAE-UNG, Sophon KAEOTHIP, Anucha EUAPERMKIATI, Khamphee PHOMPHRAI
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Patent number: 11179709Abstract: This present invention relates to a catalyst composition for a production process of ?-lactone from carbon dioxide and 1,3-butadiene that can efficiently catalyze the synthesis reaction of ?-lactone with good selectivity of ?-lactone, wherein said catalyst composition comprising: a) palladium metal complexes as shown in structure (I) [Formula should be inserted here] wherein, R1, R2, R3 and R4 independently represents a group selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amine group, or optionally an alkenyl group, an alkynyl group, a phenyl group, a benzyl group, or a cyclic hydrocarbon group comprising a hetero atom; and b) phosphorus compound selected from a phosphine group having a general formula [Formula should be inserted here], wherein R5 is selected from an alkyl group, a cycloalkyl group, or an aryl group.Type: GrantFiled: November 8, 2017Date of Patent: November 23, 2021Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Sucheewin Chotchatchawankul, Phonpimon Wongmahasirikun, Sophon Kaeothip, Khamphee Phomphrai
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Patent number: 10934243Abstract: This invention relates to a catalyst composition for a producing process of an unsaturated carboxylic acid salt and its derivatives from carbon dioxide and olefin, wherein the catalyst composition in the present invention has been proved to be effective in catalyzing the carboxylation of carbon dioxide and olefin, wherein said catalyst composition comprises: a) a palladium metal complex as shown in structure (I); wherein, R1, R2, R3, and R4 independently represents a group selected from hydrogen atom, halogen atom, alkyl group, alkyl halide group, alkoxy group, amine group, optionally from alkenyl group, alkynyl group, phenyl group, benzyl group, or cylic hydrocarbon group comprising hetero atom; R5 represents group selected from alkyl group or phenyl group; b) a ligand selected from organophosphorus compound; c) a base selected from sodium tert-butoxide, sodium isopropoxide, sodium 2,6-dimethylphenolate, sodium 2,6-difluorophenolate, sodium 2-methylphenolate, or sodium 2-fluorophenol); and dType: GrantFiled: November 23, 2018Date of Patent: March 2, 2021Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Phonpimon Wongmahasirikun, Sucheewin Chotchatchawankul, Khamphee Phomphrai, Sophon Kaeothip
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Publication number: 20200317598Abstract: This invention relates to a catalyst composition for a producing process of an unsaturated carboxylic acid salt and its derivatives from carbon dioxide and olefin, wherein the catalyst composition in the present invention has been proved to be effective in catalyzing the carboxylation of carbon dioxide and olefin, wherein said catalyst composition comprises: a) a palladium metal complex as shown in structure (I); wherein, R1, R2, R3, and R4 independently represents a group selected from hydrogen atom, halogen atom, alkyl group, alkyl halide group, alkoxy group, amine group, optionally from alkenyl group, alkynyl group, phenyl group, benzyl group, or cylic hydrocarbon group comprising hetero atom; R5 represents group selected from alkyl group or phenyl group; b) a ligand selected from organophosphorus compound; c) a base selected from sodium tert-butoxide, sodium isopropoxide, sodium 2,6-dimethylphenolate, sodium 2,6-difluorophenolate, sodium 2-methylphenolate, or sodium 2-fluorophenol); and dType: ApplicationFiled: November 23, 2018Publication date: October 8, 2020Applicant: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Phonpimon WONGMAHASIRIKUN, Sucheewin CHOTCHATCHAWANKUL, Khamphee PHOMPHRAI, Sophon KAEOTHIP
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Publication number: 20200095192Abstract: The present invention relates to a new diethanolamine derivative chelating agent having a high water solubility, a good chelating property, and biological degradation. The said new chelating agent can be prepared from reaction of diethanolamine and cyclic anhydride compound using lewis acid as the catalyst. The said process is uncomplicated, and does not use a severe condition, and also reduces the use of harmful chemicals.Type: ApplicationFiled: May 30, 2018Publication date: March 26, 2020Applicant: PTT Global Chemical Public Company LimitedInventors: Papapida PORNSURIYASAK, Sophon KAEOTHIP
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Publication number: 20190194157Abstract: The present invention relates to a coalescing agent as represented in structure (I); wherein; n is integer from 1 to 8; R1 and R2 independently represent group selected from hydrogen atom, alkyl, alkenyl, alkynyl, phenyl, benzyl groups, or optionally cyclic hydrocarbon containing heteroatom; and Y represents group selected from alkyl, alkenyl, alkynyl, phenyl, benzyl groups, or cyclic hydrocarbon containing heteroatom. The said coalescing agent can be used in coating application with efficacy to provide smooth consistent film with chemical and scratch resistant and has no pungent odour, wherein the preparation method of this compound is simplify and employs less harmful chemicals.Type: ApplicationFiled: June 8, 2017Publication date: June 27, 2019Applicant: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: SOPHON KAEOTHIP, PAPAPIDA PORNSURIYASAK, VORAPONG PIMOLSIRIPHOL
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Patent number: 9120838Abstract: The invention provides a series of novel Lipid A analogs that are structually simple, synthetically accessible, and capable of blocking the cellular receptor within the signal transduction pathway. The novel Lipid A analogs can include a monosaccharide core with hydrophobic side chains and amino acid ionic motif. The invention further provides methods of using the compounds and compositions thereof in various therapeutic methods.Type: GrantFiled: April 18, 2012Date of Patent: September 1, 2015Assignee: Curators of the University of MissouriInventors: Alexei Demchenko, Michael R. Nichols, Sophon Kaeothip
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Publication number: 20140066390Abstract: The invention provides a series of novel Lipid A anlogues that are structually simple, synthetically accessible, and capable of blocking the cellular receptor within the signal transduction pathway. The novel Lipid A anlogues can include a monosaccharide core with hydrophobic side chains and amino acid ionic motif. The invention further provides methods of using the compounds and compositions thereof in various therapeutic methods.Type: ApplicationFiled: April 18, 2012Publication date: March 6, 2014Applicant: CURATORS OF THE UNIVERSITY OF MISSOURIInventors: Alexei Demchenko, Michael R. Nichols, Sophon Kaeothip