IP Library › Patent Application 09701472
Patent Application Utility PCT National Stage
App. No. 09/701,472 · Confirmation No. 9939

Corrosion inhibitor for cement compositions

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2001-01-02 LET. Miscellaneous Incoming Letter 18 View
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Quick Facts
App. No.
09/701,472
Filed
2001-01-02
Granted
2002-03-12
Art Unit
1755
PTA
0 days