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:
Aug. 26, 2025

Filed:

Aug. 13, 2021
Applicant:

Via Separations, Inc., Watertown, MA (US);

Inventors:

Michelle Macleod, Boston, MA (US);

Stephen Frayne, Watertown, MA (US);

Brandon Ian Macdonald, Melrose, MA (US);

Lymaris Ortiz Rivera, Cambridge, MA (US);

Brent Keller, Somerville, MA (US);

Assignee:

Via Separations, Inc., Watertown, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/02 (2006.01); B01D 67/00 (2006.01); B01D 69/10 (2006.01); B01D 69/12 (2006.01); D21C 11/00 (2006.01);
U.S. Cl.
CPC ...
B01D 71/0211 (2022.08); B01D 67/00931 (2022.08); B01D 69/107 (2022.08); B01D 69/125 (2013.01); D21C 11/0007 (2013.01); B01D 2323/30 (2013.01); B01D 2325/20 (2013.01);
Abstract

Embodiments described herein relate generally to graphene oxide membranes for fluid filtration and more specifically to graphene oxide membranes having tunable permeability, rejection rate, and flux. Some embodiments of the graphene oxide membranes disclosed herein are characterized as having a flux of at least about 2.5×10gallons per square foot per day per psi with a 1 wt % lactose solution at room temperature, and a lactose rejection rate of at least 50% with a 1 wt % lactose solution.


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