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:
May. 28, 2024

Filed:

Jul. 12, 2022
Applicant:

California Institute of Technology, Pasadena, CA (US);

Inventors:

Ye Shi, Pasadena, CA (US);

Julia R. Greer, Pasadena, CA (US);

Harry A. Atwater, Pasadena, CA (US);

Ognjen Ilic, Pasadena, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/14 (2006.01); B01D 53/26 (2006.01); B01D 61/36 (2006.01); B01D 69/02 (2006.01); B01D 71/38 (2006.01); C02F 1/44 (2023.01);
U.S. Cl.
CPC ...
B01D 69/147 (2013.01); B01D 53/261 (2013.01); B01D 61/364 (2013.01); B01D 69/02 (2013.01); B01D 69/1411 (2022.08); B01D 71/381 (2022.08); C02F 1/447 (2013.01); B01D 2311/2626 (2013.01); B01D 2311/2674 (2022.08); B01D 2313/367 (2022.08); B01D 2325/04 (2013.01); B01D 2325/36 (2013.01); C02F 2201/009 (2013.01);
Abstract

A membrane for water collection may include a sheet having a top surface and a bottom surface, and a plurality of conical structures disposed on the top surface of the sheet, the conical structures comprising a hydrogel material. Each conical structure of the plurality of conical structures may have a height of 1 mm to 50 mm, wherein height is measured from the top surface of the sheet to an apex of a conical structure. Each conical structure of the plurality of conical structures may have an apex angle of 10 to 60 degrees.


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