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:
Jul. 19, 2005
Filed:
Jan. 10, 2003
Stuart Corr, Warrington, GB;
Paul A. Dowdle, St Helens, GB;
Robert E. Low, Northwich, GB;
Frederick Thomas Murphy, Frodsham, GB;
James David Morrison, Northwich, GB;
Stuart Corr, Warrington, GB;
Paul A. Dowdle, St Helens, GB;
Robert E. Low, Northwich, GB;
Frederick Thomas Murphy, Frodsham, GB;
James David Morrison, Northwich, GB;
Ineos Fluor Holdings Limited, , GB;
Abstract
Apparatus and methods for reducing residual solvent levels in extracted biomass that is contaminated with HFC solvent that includes sparging the biomass extract with a solvent stripping gas such as air or nitrogen are disclosed. Apparatus for carrying out the method include a vessel () containing extract () and a source of the gas. The source may be in the form of a moveable, hollow wand () having a sparging gas outlet; or a fixed gas inlet () for bubbling the gas through the extract ().