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SULFOBETAINE-CONTAINING POLYMERS AND THEIR UTILITY AS CALCIUM CARBONATE SCALE INHIBITORS

09/78,463 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed May 14, 1998
Examiner CHRISTOPHER A HENDERSON JR
Class 526
Art Group 1713
Patent No. 6,225,430
Case Type Utility - 526/271000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 08/715,778 Patented
Last Updated: 1 year, 4 months ago
Date # Transaction