Patents by Inventor Watcharee CHEEVASRIRUNGRUANG
Watcharee CHEEVASRIRUNGRUANG 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: 11674022Abstract: The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by? weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol, wherein the low molecular weight polyethylene has a MI2 of 500 to 1,000 g/10 min according to ASTM D 1238; (B) 5 to 17 parts by weight, preferably 10 to 17 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 party by weight, most preferably 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,00Type: GrantFiled: September 8, 2017Date of Patent: June 13, 2023Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Arunsri Mattayan, Watcharee Cheevasrirungruang, Saranya Traisilanun, Warachad Klomkamol
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Publication number: 20220275261Abstract: The invention relates to a water-based barrier adhesive comprising: a polyurethane; at least one water-soluble polymer, wherein the water-soluble polymer comprises at least one hydroxyl group; and water; a barrier film comprising the same; a method for preparing the same; and the use thereof in food packaging.Type: ApplicationFiled: September 3, 2020Publication date: September 1, 2022Inventors: Kitjanit NERANON, Phutsadee SAENDEE, Orathai PORNSUNTHORNTAWEE, Chatchai JARUMANEEROJ, Watcharee CHEEVASRIRUNGRUANG
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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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Publication number: 20220033630Abstract: Polyethylene composition comprising a melt blend, the melt blend comprising: a) a first multimodal polyethylene, the first multimodal polyethylene having a medium weight average molecular weight of a high weight average molecular weight, a density of more than 0.950 to 0.965 g/cm3 according to ISO 1183 and a MFR2 of 0.3 to 2.0 g/10 min according to ISO 1133; and b) a second multimodal polyethylene, the second multimodal polyethylene having a high weight average molecular weight, a density of 0.940 to 0.950 g/cm3 according to ISO 1183 and a MFR2 of 0.03 to 0.15 g/10 min according to ISO 1133; wherein the polymer composition has a Full Notch Creep Test (FNCT) according to ISO 16770 of at least 58 hours and a Charpy impact strength at a temperature of 23° C. of at least 4 kJ/m2 according to ISO 179.Type: ApplicationFiled: September 16, 2019Publication date: February 3, 2022Inventors: Saranya TRAISILANUN, Wiroj NANTASETPHONG, Watcharee CHEEVASRIRUNGRUANG
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Patent number: 11236179Abstract: 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 use thereof as a sheet.Type: GrantFiled: September 11, 2017Date of Patent: February 1, 2022Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Chatchai Jarumaneeroj, Saranya Traisilanun, Watcharee Cheevasrirungruang, Piyawan Tiyapiboonchaiya
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Patent number: 10941223Abstract: The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by weight, of the low molecular weight polyethylene, the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol and having a MFRa from 500 to 1.Type: GrantFiled: September 8, 2017Date of Patent: March 9, 2021Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Arunsri Mattayan, Saranya Traisilanun, Watcharee Cheevasrirungruang, Warachad Klomkamol
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Patent number: 10919991Abstract: The present inventions relates to a multimodal polyethylene composition comprising; (A) 30 to 65 parts by weight, preferably 30 to 50 parts by weight, most preferred 30 to 40 parts by weight of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol or medium molecular weight polyethylene having a weight average molecular weight (Mw) of more than 90,000 to 150,000 g/mol; (B) 5 to 40 parts by weight, preferably 10 to 35 parts by weight, most preferred 15 to 35 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 10 to 60 parts by weight, preferably 15 to 60 parts by weight, most preferred 20 to 60 parts by weight of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of morType: GrantFiled: September 11, 2017Date of Patent: February 16, 2021Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Chatchai Jarumaneeroj, Saranya Traisilanun, Watcharee Cheevasrirungruang, Piyawan Tiyapiboonchaiya
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Patent number: 10913041Abstract: The present invention relates to a multimodal polyethylene composition comprising: (A) 35 to 65 parts by weight, preferably 45 to 65 parts by weight, most preferred 50 to 60 parts by weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol; (B) 5 to 40 parts by weight, preferably 5 to 30 parts by weight, most preferred 5 to 20 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 20 to 60 parts by weight, preferably 25 to 60 parts by weight, most preferred 35 to 55 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the second ultra high molecular weight polyethylene having a weight average molecular wType: GrantFiled: September 8, 2017Date of Patent: February 9, 2021Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Saranya Traisilanun, Watcharee Cheevasrirungruang, Warachad Klomkamol
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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: 20200095404Abstract: The present inventions relates to a multimodal polyethylene composition comprising; (A) 30 to 65 parts by weight, preferably 30 to 50 parts by weight, most preferred 30 to 40 parts by weight of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol or medium molecular weight polyethylene having a weight average molecular weight (Mw) of more than 90,000 to 150,000 g/mol; (B) 5 to 40 parts by weight, preferably 10 to 35 parts by weight, most preferred 15 to 35 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 10 to 60 parts by weight, preferably 15 to 60 parts by weight, most preferred 20 to 60 parts by weight of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of morType: ApplicationFiled: September 11, 2017Publication date: March 26, 2020Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Chatchai JARUMANEEROJ, Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, Piyawan TIYAPIBOONCHAIYA
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Publication number: 20200079938Abstract: The present invention relates to a multimodal polyethylene composition comprising: (A)35 to 65 parts by weight, preferably 45 to 65 parts by weight, most preferred 50 to 60 parts by weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol; (B) 5 to 40 parts by weight, preferably 5 to 30 parts by weight, most preferred 5 to 20 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000g/mol; and (C) 20 to 60 parts by weight, preferably 25 to 60 parts by weight, most preferred 35 to 55 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weighType: ApplicationFiled: September 8, 2017Publication date: March 12, 2020Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, Warachad KLOMKAMOL
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Publication number: 20200056022Abstract: The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by? weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol, wherein the low molecular weight polyethylene has a MI2 of 500 to 1,000 g/10 min according to ASTM D 1238; (B) 5 to 17 parts by weight, preferably 10 to 17 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 party by weight, most preferably 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,00Type: ApplicationFiled: September 8, 2017Publication date: February 20, 2020Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Arunsri MATTAYAN, Watcharee CHEEVASRIRUNGRUANG, Saranya TRAISILANUN, Warachad KLOMKAMOL
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Publication number: 20200056021Abstract: The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by weight, of the low molecular weight polyethylene, the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol and having a MFRa from 500 to 1.Type: ApplicationFiled: September 8, 2017Publication date: February 20, 2020Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Arunsri MATTAYAN, Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, Warachad KLOMKAMOL
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Publication number: 20190374919Abstract: 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, a multimodal, polyethylene composition obtainable this way and a screw cap comprising the same.Type: ApplicationFiled: September 8, 2017Publication date: December 12, 2019Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, 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: 20190330390Abstract: 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 of a film thereof.Type: ApplicationFiled: September 8, 2017Publication date: October 31, 2019Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Arunsri MATTAYAN, Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, Warachad KLOMKAMOL
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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
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Publication number: 20190225714Abstract: 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 use thereof as a sheet.Type: ApplicationFiled: September 11, 2017Publication date: July 25, 2019Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Chatchai JARUMANEEROJ, Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, Piyawan TIYAPIBOONCHAIYA