An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

EPA Patents Available for Licensing: Waste

The links below will take you to the relevant page in the U.S. Patent and Trademark Office’s Patent Application Full Text and Image Database.

Patent # Patent Title Issue Date

7,335,307

Method for Removing Contaminants from Water Using Ruthenium Based Sorbents and Oxidizers

02/26/2008

6,881,364

Hydrophilic Mixed Matrix Materials Having Reversible Water Absorbing Properties

04/19/2005

6,670,145

Method for Detection of Total Coliforms and E. Coli

12/30/2003

6,306,301

Silica-Based Membrane Sorbent for Heavy Metal Sequestration

10/23/2001

6,139,742

Membrane-Based Sorbent for Heavy Metal Sequestration

10/31/2000

6,103,121

Membrane-Based Sorbent for Heavy Metal Sequestration

08/15/2000

8,791,044

Doped Titanium Dioxide as a Visible and Sun Light Photocatalyst

07/29/2014

9,266,803

Liquid separation by membrane assisted vapor stripping process

02/23/2016