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.

Date of Patent:
Sep. 01, 2020

Filed:

Jul. 12, 2018
Applicant:

Trustees of Tufts College, Medford, MA (US);

Inventors:

Charles R. Mace, Watertown, MA (US);

Syrena C. Fernandes, Somerville, MA (US);

Samuel B. Berry, Orangeburg, NY (US);

Assignee:

Trustees of Tufts College, Medford, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/01 (2006.01); B01D 39/18 (2006.01); G01N 33/49 (2006.01); B01D 29/58 (2006.01); G01N 33/574 (2006.01); G01N 31/22 (2006.01);
U.S. Cl.
CPC ...
B01D 29/01 (2013.01); B01D 29/58 (2013.01); B01D 39/18 (2013.01); G01N 33/491 (2013.01); G01N 33/57415 (2013.01); G01N 31/22 (2013.01);
Abstract

A microfluidic device includes a first layer of a porous material with pores having a first average pore size and a liquid-receiving area through which a liquid sample is received into the microfluidic device. A second layer of another porous material, with pores of a second average pore size, is stacked below the first layer and has a channel with a starting end positioned at least in part in an overlapping manner with the liquid-receiving area. The channel has a terminating end extending laterally at a predetermined wicking distance from the starting end. The first average pore size and the second average pore size cause a wicking effect in which at least some of the liquid sample flows along the channel at least a portion of the wicking distance between the starting end and the terminating end.


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Mace, Charles. (2020). Separation of cells based on size and affinity using paper microfluidic device (U.S. Patent No. 10758846). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10758846

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