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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.:

US 9028771 B1

PDFFull Text
Expired
Date of Patent:
May. 12, 2015

Filed:

Nov. 09, 2007

Saturation assay

Applicants:

Douglas Robert Evans, Chester, GB;

Gerald John Allen, Caythorpe, GB;

Carolyn Jennifer Ruddell, Wirral, GB;

Inventors:

Douglas Robert Evans, Chester, GB;

Gerald John Allen, Caythorpe, GB;

Carolyn Jennifer Ruddell, Wirral, GB;

Assignee:

Platform Diagnostics Limited, Ossett, West Yorkshire, GB;

Attorneys:

Janet Sleath

Speckman Law Group PLLC

Primary Examiner:

Melanie Y Brown

Assistant Examiner:

Erik B Crawford

Int. Cl.
CPC ...
G01N 33/558 (2006.01); G01N 33/538 (2006.01); G01N 33/543 (2006.01); G01N 33/53 (2006.01); B01L 3/00 (2006.01); B01D 15/34 (2006.01);
U.S. Cl.
CPC ...
G01N 33/538 (2013.01); G01N 33/54366 (2013.01); G01N 33/54313 (2013.01); G01N 33/5302 (2013.01); B01L 2300/0825 (2013.01); B01L 2300/0681 (2013.01); B01L 2300/0816 (2013.01); B01L 3/5023 (2013.01); B01L 3/502753 (2013.01); B01L 3/502761 (2013.01); B01L 2200/0647 (2013.01); B01L 2200/0668 (2013.01); B01D 15/34 (2013.01); G01N 33/558 (2013.01); Y10S 435/97 (2013.01); Y10S 435/971 (2013.01);
Abstract

The invention provides a modified form of saturation assay, which is based on the measurement of a free or unbound labelled reagent fraction (such that there is an increase in signal in the presence of analyte) and employs trapping zones to concentrate said unbound or free labelled fraction to avoid loss of sensitivity. Preferably, the assay is a membrane assay.

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Evans, Douglas. (2015). Saturation assay (U.S. Patent No. 9028771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9028771

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