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:
Mar. 10, 2015
Filed:
Aug. 06, 2009
Jonathan Spencer Howells, Herts, GB;
Kevin Deane, Cambridge, GB;
Jonathan Spencer Howells, Herts, GB;
Kevin Deane, Cambridge, GB;
PA Knowledege Limited, London, GB;
Abstract
An extraction system for distributing a test product in an extraction fluid, the system including a flow cell and a pump The flow cell has walls defining an internal passageway having an extraction region for holding the test product and also an upstream end and a downstream end between which the extraction region extends. The internal cross-sectional area of the upstream end is larger than the internal cross-sectional area of the downstream end the and extraction region tapers from the upstream end to the downstream end. The pump has an inlet in fluid communication with the downstream end and an outlet in fluid communication with the upstream end. The pump re-circulates extraction fluid from the downstream end back to the upstream end so as to progressively erode the test product and distribute the test product in the extraction fluid.