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:
Nov. 09, 2021
Filed:
Dec. 20, 2017
Applicant:
Aalto University Foundation SR, Aalto, FI;
Inventors:
Assignee:
Aalto University Foundation sr, Aalto, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/08 (2006.01);
U.S. Cl.
CPC ...
C08J 11/08 (2013.01); C08J 2301/02 (2013.01); C08J 2367/02 (2013.01);
Abstract
According to an example aspect of the present invention, there is provided a method of separating cellulose and polyester from a material comprising a blend of cellulose and polyester, said method comprising the steps of mixing the material comprising a blend of cellulose and polyester with a first portion of superbase-based ionic liquid to dissolve a first portion of cellulose and form a first cellulose solution and a first residue comprising polyester, removing the first residue comprising polyester from the first cellulose solution, and directing the first cellulose solution to one or more further processing steps.