IP Library Patent Application 09807135
Patent Application Utility PCT National Stage
App. No. 09/807,135 · Confirmation No. 2181

3-PHENYL-PYRONES

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2001-04-06 LET. Miscellaneous Incoming Letter 98 View
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Quick Facts
App. No.
09/807,135
Filed
2001-04-06
Granted
2002-08-27
Art Unit
1625
PTA
0 days