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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 8877512 B1

PDFFull Text
Expired
Date of Patent:
Nov. 04, 2014

Filed:

Jan. 25, 2010

Bubble formation techniques using physical or chemical features to retain a gas bubble within a droplet actuator

Applicants:

Vijay Srinivasan, Durham, NC (US);

Michael G. Pollack, Durham, NC (US);

Arjun Sudarsan, Cary, NC (US);

Zhishan Hua, Durham, NC (US);

Inventors:

Vijay Srinivasan, Durham, NC (US);

Michael G. Pollack, Durham, NC (US);

Arjun Sudarsan, Cary, NC (US);

Zhishan Hua, Durham, NC (US);

Assignee:

Advanced Liquid Logic, Inc., Research Triangle Park, NC (US);

Attorneys:

William A. Barrett

Ward & Smith, P.A.

Primary Examiner:

Arlen Soderquist

Int. Cl.
CPC ...
G01N 1/10 (2006.01); B01L 3/00 (2006.01); B01F 13/00 (2006.01); C07K 1/26 (2006.01); G01N 1/22 (2006.01); G01N 35/10 (2006.01);
U.S. Cl.
CPC ...
C07K 1/26 (2013.01); G01N 2001/2244 (2013.01); B01L 3/502738 (2013.01); B01L 2300/089 (2013.01); B01L 2400/0427 (2013.01); B01F 13/0076 (2013.01); G01N 2035/1034 (2013.01); B01F 13/0086 (2013.01); B01L 2400/0406 (2013.01); B01L 3/502792 (2013.01); B01L 2300/0867 (2013.01); B01F 13/0084 (2013.01); B01L 2400/0688 (2013.01); B01L 3/502723 (2013.01); B01L 2200/0673 (2013.01);
Abstract

The present invention is directed to a droplet actuator and methods of making and using the droplet actuator including one or more substrates configured to form a droplet operations gap and including a physical or chemical feature that may be provided at a predetermined locus within or exposed to the droplet operations gap and configured to retain a bubble in position within the droplet operations gap.

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Srinivasan, Vijay. (2014). Bubble formation techniques using physical or chemical features to retain a gas bubble within a droplet actuator (U.S. Patent No. 8877512). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8877512

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