IP Library › Patent Application 09899675
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App. No. 09/899,675 · Confirmation No. 3375

USE OF POLYMERS CONTAINING VINYLAMINE/VINYLFORMAMIDE FOR THE TREATMENT OF FOOD PROCESSING WASTEWATER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2001-07-05 TRNA Transmittal of New Application 2 View
2001-07-05 SPEC Specification 10 View
2001-07-05 CLM Claims 3 View
2001-07-05 ABST Abstract 1 View
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Quick Facts
App. No.
09/899,675
Filed
2001-07-05
Granted
2003-08-26
Art Unit
1724
PTA
-65 days