Patents by Inventor Natthaporn SUCHAO-IN
Natthaporn SUCHAO-IN 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: 11312792Abstract: The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and the use thereof as a container.Type: GrantFiled: September 11, 2017Date of Patent: April 26, 2022Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Chatdao Suk-Em, Natthaporn Suchao-In, Watcharee Cheevasrirungruang, Warachad Klomkamol, Boonyakeat Thitisak
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Patent number: 11286378Abstract: The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising: (a) first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected, from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.Type: GrantFiled: September 7, 2017Date of Patent: March 29, 2022Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Natthaporn Suchao-In, Warachad Klomkamol
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Patent number: 11001649Abstract: The present invention relates to a reactor system for a multimodal polyethylene composition comprising: (a) first reactor; (b) hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.Type: GrantFiled: September 7, 2017Date of Patent: May 11, 2021Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Natthaporn Suchao-In, Warachad Klomkamol
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Patent number: 10865296Abstract: The present invention relates to a bimodal polyethylene composition comprising a low molecular weight polyethylene homopolymer fraction and high molecular weight polyethylene copolymer fraction having a C4 to C10 ?-olefin comonomer content of 0.25 to 3% mol with respect to the total monomer comprised in the high molecular weight polyethylene comonomer fraction, wherein the content of the low molecular weight polyethylene is from 50 to 60 wt % with respect to the total weight of the bimodal polyethylene composition; and the bimodal polyethylene composition has a soluble fraction according to Temperature Rising Elution Fractionation in 1,2,4-trichlorobenzene with 300 ppm of butylated hydroxytoluene at 150° C. of less than 6 wt %; and a pipe comprising the same.Type: GrantFiled: September 8, 2017Date of Patent: December 15, 2020Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Natthaporn Suchao-In, Warachad Klomkamol, Patcharin Samphawamontri
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Patent number: 10604643Abstract: The pipe articles with excellent stress crack resistance can be achieved by providing ethylene copolymer composition comprises ethylene and a C6-C10 ?-olefin comonomer; the ethylene copolymer having a total density of 0.945-0.980 g/cm3 and a MFR5 of 0.10-0.50 g/10 min; and the ethylene copolymer having a comonomer content of 1-5% wt. The ethylene copolymer has Mx/My in the range of not less than 14.0; gpcBR in the range of from 0.20 to 0.80; and strain hardening modulus <Gp> in the range of not less than 53.4.Type: GrantFiled: November 15, 2016Date of Patent: March 31, 2020Assignees: SCG Chemicals Co., Ltd., Mitsui Chemicals, Inc.Inventors: Natthaporn Suchao-in, Kenji Iwamasa, Eiji Shiba, Warachad Klomkamol, Patcharin Samphawamontri, Watcharee Cheevasrirungruang, Shinichi Kojoh, Yasunori Kaneko, Takashi Fukawa, Thipphaya Pathaweeisariyakul
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Publication number: 20200056023Abstract: The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected, from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.Type: ApplicationFiled: September 7, 2017Publication date: February 20, 2020Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Natthaporn SUCHAO-IN, Warachad KLOMKAMOL
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Publication number: 20190359738Abstract: The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and the use thereof as a container.Type: ApplicationFiled: September 11, 2017Publication date: November 28, 2019Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Chatdao SUK-EM, Natthaporn SUCHAO-IN, Watcharee CHEEVASRIRUNGRUANG, Warachad KLOMKAMOL, Boonyakeat THITISAK
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Publication number: 20190359741Abstract: The present invention relates to a reactor system for a multimodal polyethylene composition comprising: (a) first reactor (b) hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.Type: ApplicationFiled: September 7, 2017Publication date: November 28, 2019Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Natthaporn SUCHAO-IN, Warachad KLOMKAMOL
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Publication number: 20190359802Abstract: The present invention relates to a bimodal polyethylene composition comprising a low molecular weight polyethylene homopolymer fraction and high molecular weight polyethylene copolymer fraction having a C4 to C10 ?-olefin comonomer content of 0.25 to 3% mol with respect to the total monomer comprised in the high molecular weight polyethylene comonomer fraction, wherein the content of the low molecular weight polyethylene is from 50 to 60 wt % with respect to the total weight of the bimodal polyethylene composition; and the bimodal polyethylene composition has a soluble fraction according to Temperature Rising Elution Fractionation in 1,2,4-trichlorobenzene with 300 ppm of butylated hydroxytoluene at 150° C. of less than 6 wt %; and a pipe comprising the same.Type: ApplicationFiled: September 8, 2017Publication date: November 28, 2019Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Natthaporn SUCHAO-IN, Warachad KLOMKAMOL, Patcharin SAMPHAWAMONTRI
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Publication number: 20190248991Abstract: The pipe articles with excellent stress crack resistance can be achieved by providing ethylene copolymer composition comprises ethylene and a C6-C10 ?-olefin comonomer; the ethylene copolymer having a total density of 0.945-0.980 g/cm3 and a MFR5 of 0.10-0.50 g/10 min; and the ethylene copolymer having a comonomer content of 1-5% wt. The ethylene copolymer has Mx/My in the range of not less than 14.0; gpcBR in the range of from 0.20 to 0.80; and strain hardening modulus <Gp> in the range of not less than 53.4.Type: ApplicationFiled: November 15, 2016Publication date: August 15, 2019Applicants: SCG Chemicals Co., Ltd., Mitsui Chemicals, Inc.Inventors: Natthaporn SUCHAO-IN, Kenji IWAMASA, Eiji SHIBA, Warachad KLOMKAMOL, Patcharin SAMPHAWAMONTRI, Watcharee CHEEVASRIRUNGRUANG, Shinichi KOJOH, Yasunori KANEKO, Takashi FUKAWA, Thipphaya PATHAWEEISARIYAKUL