IP Library Patent Application 09786789
Patent Application Utility PCT National Stage
App. No. 09/786,789 · Confirmation No. 6587

PROCESS FOR THE PREPARATION OF SYMMETRICAL DIACYLHYDRAZINES

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2001-03-09 LET. Miscellaneous Incoming Letter 54 View
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Quick Facts
App. No.
09/786,789
Filed
2001-03-09
Granted
2002-09-03
Art Unit
1623
PTA
0 days