Patents by Inventor Arunsri MATTAYAN

Arunsri MATTAYAN 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).

  • Patent number: 11674022
    Abstract: 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 150,00
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: June 13, 2023
    Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.
    Inventors: Arunsri Mattayan, Watcharee Cheevasrirungruang, Saranya Traisilanun, Warachad Klomkamol
  • Patent number: 10941223
    Abstract: 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: Grant
    Filed: September 8, 2017
    Date of Patent: March 9, 2021
    Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.
    Inventors: Arunsri Mattayan, Saranya Traisilanun, Watcharee Cheevasrirungruang, Warachad Klomkamol
  • Publication number: 20200056022
    Abstract: 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 150,00
    Type: Application
    Filed: September 8, 2017
    Publication date: February 20, 2020
    Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.
    Inventors: Arunsri MATTAYAN, Watcharee CHEEVASRIRUNGRUANG, Saranya TRAISILANUN, Warachad KLOMKAMOL
  • Publication number: 20200056021
    Abstract: 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: Application
    Filed: September 8, 2017
    Publication date: February 20, 2020
    Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.
    Inventors: Arunsri MATTAYAN, Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, Warachad KLOMKAMOL
  • Publication number: 20190330390
    Abstract: 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: Application
    Filed: September 8, 2017
    Publication date: October 31, 2019
    Applicants: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.
    Inventors: Arunsri MATTAYAN, Saranya TRAISILANUN, Watcharee CHEEVASRIRUNGRUANG, Warachad KLOMKAMOL