IP Library › Granted Patent US 6,635,151
Granted Patent Utility PCT National Stage
US 6,635,151 · Confirmation No. 2644

LACTAM DEHYDRATION METHOD

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2003-08-18 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-18 LET. Miscellaneous Incoming Letter 1 View
2001-05-24 ABST Abstract 1 View
2001-05-24 LET. Miscellaneous Incoming Letter 22 View
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Quick Facts
Patent No.
US 6,635,151
App. No.
09/744,650
Filed
2001-05-24
Granted
2003-10-21
Art Unit
1764
PTA
0 days