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:
May. 13, 2014
Filed:
Sep. 03, 2008
Markus Fanselow, Belfast, GB;
John Holbrey, Belfast, GB;
Kenneth Richard Seddon, Belfast, GB;
Laurent Vanoye, Belfast, GB;
Anna Zheng, Belfast, GB;
Markus Fanselow, Belfast, GB;
John Holbrey, Belfast, GB;
Kenneth Richard Seddon, Belfast, GB;
Laurent Vanoye, Belfast, GB;
Anna Zheng, Belfast, GB;
Petroliam Nasional Berhad (PETRONAS), Kuala Lumpar, MY;
Abstract
A process is described for the preparation of water-soluble cellulose hydrolysis products The process comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprised solely of cations and anions and which exists in a liquid state at a temperature at or below 150° C., and in which the anions are selected from sulfate, hydrogen sulfate and nitrate; and treating the resulting solvate or solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25° C.