Tersus Assigned Patents & Trademarks

Our strong foundation of intellectual property includes:

• US 11,577,231 B2, Enhanced reduction bioremediation method using in-situ alcoholysis (Gary M. Birk, P.E. and David F. Alden, P.E.) February 14, 2023
• U.S. Patent 11,491,522 B2, Zero-Valent Metal Suspension in Non-Aqueous Phase for Water Remediation, (Sangho Bang, Ph.D.; David F. Alden, P.E.; Gary M. Birk, P.E.; .Jeffrey H. Harwell, Ph.D.; and Bor Jier Shiau, Ph.D.) September 21, 2021.
• U.S. Patent No. 11,123,779 B2, Method and a Chemical Composition for Accelerated In Situ Biochemical Remediation, Alden et al. (David F. Alden, P.E.; Gary M. Birk, P.E.; Sangho Bang, Ph.D.; Jeffrey H. Harwell, Ph.D.; and Bor Jier Shiau, Ph.D.) September 21, 2021
• U.S. Patent No. 9,309,136 B2, Bioremediation of Soil and Groundwater, Archibald, John and Birk, Gary M., April 12, 2016
• U.S. Patent No. 7,708,496 B2, In-Situ Surfactant and Chemical Oxidant Flushing for Complete Remediation of Contaminants and Methods of Using Same, Shiau, Bor-Jier, May 4, 2010
• U.S. Patent No. 7,677,836 B2, In-Situ Surfactant and Chemical Oxidant Flushing for Complete Remediation of Contaminants and Methods of Using Same, Shiau, Bor-Jier, March 16, 2010
• U.S. Patent No. 7,364,386 B2, In-Situ Surfactant and Chemical Oxidant Flushing for Complete Remediation of Contaminants and Methods of Using Same, Shiau, Bor-Jier, April 29, 2008
• U.S. Patent No. 7,021,863 B2, In-Situ Surfactant and Chemical Oxidant Flushing for Complete Remediation of Contaminants and Methods of Using Same, Shiau, Bor-Jier, April 4, 2006
• U.S. Patent No. 6,913,419 B2, In-Situ Surfactant and Chemical Oxidant Flushing for Complete Remediation of Contaminants and Methods of Using Same, Shiau, Bor-Jier, July 5, 2005 

The following is a non-exhaustive list of Tersus' trademarks. When using the marks in publications that will be distributed only in the United States, include the appropriate ™ or ® symbol on first use. For publications that will be distributed outside the United States, do not include trademark symbols. Instead use the appropriate trademark attribution notice, for example: Nutrimens and Nutrisulfate are trademarks of Tersus Environmental, LLC registered in the U.S. and other countries.

The absence of a product or service name or logo from this list does not constitute a waiver of Tersus' trademark or other intellectual property rights concerning that name or logo.

EDS-Activator™
EDS-Advanced™
EDS-ER™
EDS-QR™
MicroEVO™
NanoEVO™
NutriBind® 
Nutrimens®
Nutrisulfate®
TASK™
TersOx™