Patents Assigned to PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED
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Patent number: 11034982Abstract: Improved yeast cell with increased succinic acid production based on yield and titer. Increased activity of one or more enzymes involved in the pentose phosphate pathway, reducing flux through phosphoglucose isomerase, increasing flux to cytoplasmic acetyl-CoA, installation of a malic enzyme, and/or installation of a formate dehydrogenase leads to increased production of succinic acid.Type: GrantFiled: May 23, 2018Date of Patent: June 15, 2021Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventor: Ryan Sillers
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Publication number: 20210095242Abstract: The present invention relates to a novel mutant strain Aspergillus aculeatus E14-292 and a genetic modification process of said strain, wherein the mutant strain according to this invention can produce cellulase and xylanase more than the BCC199 (wild type). Moreover, the obtained enzymes can be used to digest the pretreatment bagasse to further produce sugars effectively.Type: ApplicationFiled: May 30, 2018Publication date: April 1, 2021Applicant: PTT Global Chemical Public Company LimitedInventors: Verawat CHAMPREDA, Surisa SUWANNARANGSEE, Jantima ARNTHONG, Chatuphon SIAMPHAN, Aphisit POONSRISAWAT, Napong KETSUB, Mahattanee PHINYO, Wikanda TECHANAN, Natthawut POOMSILA, Phatthanon PRASITCHOKE
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Patent number: 10961385Abstract: This invention discloses a bioplastic composition comprising biomass as a component comprising a plastic compound resin comprising polybutylene succinate (PBS), polylactic acid (PLA), and additives selected from biomass from the coffee roasting processes, i.e. silver skin of coffee (SSC); and/or at least one fluoropolymer or fluoropolymer derivative as a friction reducing agent. This invention also relates to a process of pretreating the silver skin coffee for using as an additive for bioplastic resin to produce various products or using as a natural color masterbatch together with other plastics via extrusion, injection molding, compression and thermoforming processes in the industrial level.Type: GrantFiled: May 31, 2017Date of Patent: March 30, 2021Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LimitedInventors: Jirawut Junkasem, Narin Kaabbuathong, Vivan Thammongkol, Janjira Paiboolsuk, Supattra Hemmood
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Publication number: 20210079434Abstract: The present invention relates to a novel mutant strain Clostridium thermocellum M2_15-C8 and a genetic modification process of said bacteria, wherein the mutant strain according to this invention can produce cellulase and xylanase more than the wild type. Moreover, the obtained enzymes can be used to digest the pretreated bagasse to further produce sugars effectively.Type: ApplicationFiled: May 30, 2018Publication date: March 18, 2021Applicant: PTT Global Chemical Public Company LimitedInventors: Chakrit TACHAAPAIKOON, Khanok RATANAKHANOKCHAI, Patthra PASON, Rattiya WAEONUKUL, Prattana KETBOT, Wikanda TECHANAN, Kraileark KITTISURIYANONT, Narong KAEWSUWAN
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Patent number: 10941240Abstract: This invention provides a process for manufacturing high performance polyester polyols with high proportion of renewable content derived from biological sources. The polyester polyols with high content of renewable biological materials produced according to the present invention display no color or odor issues and are used in the manufacture of two component polyurethanes, thermoplastic urethanes, polyurethane dispersions and polyester and polyester/urethane acrylates with outstanding physical properties.Type: GrantFiled: September 25, 2017Date of Patent: March 9, 2021Assignee: PTT Global Chemical Public Company LimitedInventors: Arne Matthew Terwillegar, Charliss Denniston
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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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Patent number: 10934565Abstract: This invention relates to the production of succinic acid and other chemicals derived from phosphoenolpyruvate (PEP) by fermentation with a microorganism in which the fermentation medium contains one or more sugars, and in which one or more of the sugars is imported into the cell by facilitated diffusion. As a specific example, succinic acid is produced from a glucose-containing renewable feedstock through fermentation using a biocatalyst. Examples of such a biocatalyst include microorganisms that have been enhanced in their ability to utilize glucose as a carbon and energy source. The biocatalysts of the present invention are derived from the genetic manipulation of parental strains that were originally constructed with the goal to produce one or more chemicals (for example succinic acid and/or a salt of succinic acid) at a commercial scale using feedstocks that include, for example, glucose, fructose, or sucrose.Type: GrantFiled: September 30, 2019Date of Patent: March 2, 2021Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: R. Rogers Yocum, Andrew Christopher Collard, Theron Hermann, Xiaohui Yu, Wei Gong
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Publication number: 20210017551Abstract: Improved yeast strains and fermentation process for producing D-lactic acid and L-lactic acid are disclosed. The improvement lead to higher titer, higher yield, shorter time, lower pH, and higher average specific productivity.Type: ApplicationFiled: February 15, 2019Publication date: January 21, 2021Applicant: PTT Global Chemical Public Company LimitedInventors: Sudhanshu Vijay DOLE, Theron HERMANN, Sean Joseph REGAN, Mark SHEFF, Russell UDANI, R. Rogers YOCUM
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Patent number: 10851230Abstract: This invention relates to an ion exchange resin for producing bisphenol with high percent conversion and high percent selectivity to bisphenol, especially 4,4? isopropyhdenediphenol, wherein said ion exchange resin comprising aromatic polymer having sulfonic acid group modified with at least one promoter selected from compounds shown in the structure (I), (II), (III), (IV) or its amine salt: wherein R represents hydrocarbon unit with 1 to 6 carbon atoms selected from alkyl group, alkenyl group, alkynyl group, phenyl group, or optionally hydrocarbon containing carbonyl group having 1 to 6 carbon atoms; X represents heteroatom; n is an integer number from 1 to 4.Type: GrantFiled: October 31, 2016Date of Patent: December 1, 2020Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LimitedInventors: Sitthiphong Pengpanich, Papapida Pornsuriyasak, Suchada Tang-Amornsuksan
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Patent number: 10821424Abstract: The present invention relates to a process for preparing a catalyst for alkane aromatization providing high % conversion, high yield, high selectivity of aromatics, and high selectivity of p-xylene in xylene, wherein said process comprises the following steps: (a) contacting a zeolite with a solution of group IIIA metal salt; (b) contacting the zeolite obtained from step (a) with the solution of metal salt selected from a group VIIB metal, a group VB metal, or a mixture thereof; and (c) contacting the zeolite obtained from step (b) with alkoxysilane, characterized in that the solution of salt in step (b) comprising a glycol solvent as a reducing agent under a basic condition, and step (b) is operated at the temperature higher than 120° C.Type: GrantFiled: February 27, 2018Date of Patent: November 3, 2020Assignee: PTT Global Chemical Public Company LimitedInventor: Sitthiphong Pengpanich
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Publication number: 20200338535Abstract: The present invention relates to a catalyst for producing olefins from dehydrogenation of alkane having 2 to 5 carbon atoms and a method for producing olefins using said catalyst, wherein said catalyst comprises a hierarchical zeolite nanosheet having a silica to alumina(SiO2/AI2O3) ratio more than 120 and group X metal(s) in a range of 0.3 to 5% by weight. The catalyst according to the conversion of precursor to yields and high olefins selectivity.Type: ApplicationFiled: November 2, 2018Publication date: October 29, 2020Applicant: PTT Global Chemical Public Company LimitedInventors: Chularat WATTANAKIT, Thittaya YUTTHALEKHA, Anawat THIVASASITH, Wannaruedee WANNAPAKDEE, Pannida DUGKHUNTOD, Duangkamon SUTTIPAT
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Patent number: 10815381Abstract: This invention relates to a thermally and/or high-energy radiation curable waterborne or 100% solid coating with high bio-based content. The coating formulation according to the present invention is derived or partially derived from melt polycondensation of a carboxylic acid and a diol with dicyclopentadiene-maleic acid half-ester or nadic acid-maleic acid half-ester or methyl nadic acid-maleic acid half-ester.Type: GrantFiled: December 20, 2016Date of Patent: October 27, 2020Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Arne Matthew Terwillegar, Charliss Denniston, Nuttara Jamonnak, Thidarat Tosukhowong
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Patent number: 10807942Abstract: The present invention relates to a coalescing agent and a coating composition containing the coalescing agent as represented in structure (I); wherein; n is integer from 1 to 8; R1 and R2 independently represents group selected from alkyl, alkenyl, alkynyl, phenyl, or benzyl groups; and X represents group selected from hydroxy or amine. The coalescing agent according to this invention contains low amount of volatile organic compounds, has no pungent odour, and environmental friendly. Moreover, it provides good efficacy when being used as coating component.Type: GrantFiled: March 29, 2017Date of Patent: October 20, 2020Assignee: PTT Global Chemical Public Company LimitedInventors: Vorapong Pimolsiriphol, Yingrak Prai-in, Thammarat Panyathanmaporn
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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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Patent number: 10759904Abstract: The present invention relates to a method for preparing poly(carbonate-etherimide) compound comprising polycarbonate segment as shown in the structure (A) and polyetherimide segment as shown in the structure (B). Said method does not contain a highly toxic phosgene in its operation, can be performed easily, and can be operated at not high temperature. wherein R1 represents aromatic with 6 to 30 carbon atoms or, optionally said aromatic is bonded with heteroatom; R2 represents aromatic with 6 to 30 carbon atoms or, optionally said aromatic is bonded with heteroatom; m is an integer from 1 to 15; and n is an integer from 1 to 10.Type: GrantFiled: November 14, 2016Date of Patent: September 1, 2020Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Supakanok Thongyai, Papapida Pornsuriyasak, Suchada Tang-Amornsuksan, Sarawut Lunvongsa, Montira Uprijit, Siriwanna Ounkaew
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Publication number: 20200239706Abstract: Corrosion resistance coatings and dicyclopentadiene modified ester oligomers useful in corrosion resistant coatings. The corrosion resistant coatings exhibit improved corrosion resistance, proved adhesion, lower toxicity, unlimited pot life, and/or lower volatile organic compounds (VOCs).Type: ApplicationFiled: June 21, 2018Publication date: July 30, 2020Applicant: PTT Global Chemical Public Company LimitedInventor: Arne Matthew TERWILLEGAR
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Patent number: 10696822Abstract: This invention aims to develop a process for fractionation of lignocellulosic biomass by contacting lignocellulosic biomass with treatment liquid in close system at temperature not over 200° C. and pressure of 5 to 20 bars, wherein said treatment liquid comprises water-miscible part that comprising formic acid, alcohol, and water and water-immiscible part that comprising alkyl acetate. The lignocellulosic biomass may be selected from rice straw, bagasse, corncobs, corn stem, palm waste, grass, pineapple shell, bamboo, or mixture thereof.Type: GrantFiled: November 14, 2016Date of Patent: June 30, 2020Assignee: PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITEDInventors: Nopparat Suriyachai, Verawat Champreda, Navadol Laosiripojana
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Patent number: D908100Type: GrantFiled: May 24, 2019Date of Patent: January 19, 2021Assignee: PTT Global Chemical Public Company LimitedInventors: Nattapong Tarapoom, Kawisra Sompech, Nichaporn Sirimungkalakul
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Patent number: D908101Type: GrantFiled: May 24, 2019Date of Patent: January 19, 2021Assignee: PTT Global Chemical Public Company LimitedInventors: Nattapong Tarapoom, Kawisra Sompech, Nichaporn Sirimungkalakul
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Patent number: D908644Type: GrantFiled: May 24, 2019Date of Patent: January 26, 2021Assignee: PTT Global Chemical Public Company LimitedInventors: Nattapong Tarapoom, Kawisra Sompech, Nichaporn Sirimungkalakul