The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2020
Filed:
Oct. 01, 2015
Ptt Global Chemical Public Company Limited, Chatuchak, Bangkok, TH;
Naphatsaya Denchokpraguy, Chatuchak, TH;
Verawat Champreda, Chatuchak, TH;
Navadol Laosiripojana, Chatuchak, TH;
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED, Chatuchak, Bangkok, TH;
Abstract
The present invention relates to a pretreatment process of lignocellulosic biomass, comprising contacting lignocellulosic biomass with pretreatment solution in a temperature ranging from an ambient temperature to 100° C. and a pressure of at least 20 bars, wherein the pretreatment solution comprising water, water-miscible organic solvent and alkali having a concentration of 5 to 15% w/v if the alkali is solid or 5 to 15% v/v if the alkali is liquid. Said pretreatment process operates in mild condition or at low temperature to be specified with the removing of lignin but not destroying cellulose and increasing desired sugar yield.