Envirogen Wins Patent for Trademarked in Situ Cleaning System

Date: January 10, 2002

Source: News Room

Envirogen, Inc. (Nasdaq: ENVG) has been awarded a patent directed to its trademarked Clean-In-Place system for in situ filter cleaning. The Clean-In-Place system facilitates ease of operation through reduced demand for operator intervention during filter cleaning procedures and is particularly beneficial in conjunction with membrane biological reactors. Company officials noted that while the system is obviously well suited to membrane installations, the system is also appropriate for use with a wide range of permeates and filters. Envirogen is a broad-based environmental systems and services company providing its customers with the lowest total project cost for environmental protection. Envirogen provides cost-effective means to remove pollutants from the air, water and soil. More information: www.envirogen.com.

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