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:
Mar. 17, 2026

Filed:

Apr. 20, 2023
Applicant:

University of Central Florida Research Foundation, Inc., Orlando, FL (US);

Inventor:

Ni-Bin Chang, Orlando, FL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2023.01); B01J 20/02 (2006.01); B01J 20/10 (2006.01); B01J 20/28 (2006.01); C02F 101/30 (2006.01);
U.S. Cl.
CPC ...
C02F 1/288 (2013.01); B01J 20/0225 (2013.01); B01J 20/106 (2013.01); B01J 20/28011 (2013.01); B01J 20/28059 (2013.01); C02F 1/281 (2013.01); C02F 2101/308 (2013.01);
Abstract

Described herein relates to an optimum, low maintenance and low-cost filtration media which may be implemented near a source water location as a pretreatment to remove tannic acid and/or humic acid (color) from dissolved natural organic matter (NOM) (i.e., tannic acid, humic acid) to impede the prompt production of disinfection by-products collectively termed trihalomethanes in drinking water treatment processes. In an embodiment, the filtration media may comprise a composition having a ratio of at least 83% sand, at most 5% clay, at most 6% ZVI and at most 6% perlite by percent volume.


Find Patent Forward Citations

Chang, Ni-Bin. (2026). Color removal with zipgem filtration media for water and wastewater treatment (U.S. Patent No. 12577129). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12577129

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…