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:
Nov. 22, 2022

Filed:

Aug. 15, 2018
Applicants:

University of Delaware, Newark, DE (US);

Government of the United States, As Represented BY the Defense Threat Reduction Agency, Fort Belvoir, VA (US);

Government of the United States, As Represented BY the Secretary of the Army, Aberdeen Proving Ground, MD (US);

Inventors:

Gregory W. Peterson, Bel Air, MD (US);

Annie Lu, Washington, DC (US);

Thomas H. Epps, III, Bear, DE (US);

Jean S. Epps, Bear, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/12 (2006.01); B01D 53/22 (2006.01); B01D 67/00 (2006.01); B01D 69/14 (2006.01); B01D 71/02 (2006.01); B01D 71/80 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
B01D 69/12 (2013.01); B01D 53/228 (2013.01); B01D 67/0079 (2013.01); B01D 69/148 (2013.01); B01D 71/022 (2013.01); B01D 71/80 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/302 (2013.01); B01D 2325/20 (2013.01); B01D 2325/40 (2013.01);
Abstract

Disclosed herein are multi-layer structures comprising a first composite layer disposed over a second composite layer, wherein the first composite layer contains a first active material dispersed in a first polymer containing an elastomeric polymer and the second composite layer contains a second polymer which may have a second active material dispersed therein, wherein the first active material chemically or physically interacts with at least one toxic chemical and is selected from the group consisting of metal-organic frameworks (MOFs), metal oxides, metal hydroxides, zeolites, and combinations thereof, and wherein the active material and the second active material (if present) are the same as or different from each other, and the first polymer and second polymer are the same as or different from each other, subject to the proviso that the first composite layer and the second composite layer compositionally differ from each other in at least one respect.


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