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:
Feb. 21, 2017

Filed:

Dec. 27, 2012
Applicants:

David R. Mott, Burke, VA (US);

Peter B. Howell, Jr., Gaithersburg, MD (US);

Frances S. Ligler, Potomac, MD (US);

Stephanie Fertig, Springfield, VA (US);

Aron Bobrowski, Miami, FL (US);

Inventors:

David R. Mott, Burke, VA (US);

Peter B. Howell, Jr., Gaithersburg, MD (US);

Frances S. Ligler, Potomac, MD (US);

Stephanie Fertig, Springfield, VA (US);

Aron Bobrowski, Miami, FL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/00 (2006.01); B29C 47/06 (2006.01); B29C 47/30 (2006.01); B29C 47/08 (2006.01); B29C 47/00 (2006.01); G02B 6/032 (2006.01);
U.S. Cl.
CPC ...
B29C 47/065 (2013.01); B01L 3/5027 (2013.01); B01L 3/502776 (2013.01); B29C 47/0014 (2013.01); B29C 47/0816 (2013.01); B29C 47/30 (2013.01); G02B 6/032 (2013.01); B01L 3/502746 (2013.01); B01L 2400/0487 (2013.01); B01L 2400/084 (2013.01); Y10T 29/49 (2015.01); Y10T 137/0318 (2015.04); Y10T 137/0324 (2015.04); Y10T 137/0329 (2015.04); Y10T 137/0335 (2015.04);
Abstract

A sheath flow system having a channel with first and second fluid transporting structures located on opposing surfaces facing one another across the channel in the top and bottom surfaces of the channel situated so as to transport the sheath fluid laterally across the channel to provide sheath fluid fully surrounding the core solution. At the point of introduction into the channel, the sheath fluid and core solutions flow side by side within the channel or the core solution may be bounded on either side by the sheath fluid. The system is functional over a broad channel size range and with liquids of high or low viscosity. The design can be readily incorporated into microfluidic chips without the need for special manufacturing protocols.


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