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:
Aug. 27, 2024
Filed:
Oct. 21, 2020
Lenzing Aktiengesellschaft, Lenzing, AT;
Lenzing Aktiengesellschaft, Lenzing, AT;
Abstract
A process () for the recovery of solvent () from solvent-containing cellulosic particles () is shown, the process comprising the steps: a) extracting the solvent () from the cellulosic particles () by means of a liquid extraction medium (), thereby obtaining a solvent-enriched extraction medium (), and b) obtaining the recovered solvent () from the solvent-enriched extraction medium (). In order to improve the efficiency of the process, it is proposed that in step a) the solvent () is extracted from the cellulosic particles () in a continuous flow extraction reactor (), wherein the extraction medium () continuously flows through the extraction reactor () to extract the solvent () from the cellulosic particles ().