ROCKVILLE, Md.--(BUSINESS WIRE)--July 6, 2006--CDEX, Inc. (OTCBB:CEXI - News) announced today that it has filed an apparatus patent application for its Portable, Hand-held methamphetamine and Illicit Drug Detector in preparation for its entry into the Homeland Security market. The apparatus is capable of detecting trace amounts of methamphetamine, other illicit drugs, and other chemical substances. The apparatus incorporates CDEX core technology and will provide first responders (i.e., law enforcement, fire fighters, and HAZMAT teams) with a cost effective, real time method of conducting non-contact, non-destructive, field tests of suspicious substances.