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METHOD OF PHOTOCHEMICALLY REMOVING AMMONIA FROM GAS STREAMS

10/643,062 | U.S. Patent Application

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Location ELECTRONIC
Filed Aug. 18, 2003
Examiner EDNA WONG
Class 204
Art Group 1753
Patent No. 7,198,698
Case Type Utility - 204/157300
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/269,204 Abandoned
Parent 09/847,476 Patented
Parent 10/98,759 Patented
Last Updated: 4 years, 3 months ago
Date # Transaction