IP Library Patent Application 09683256
Patent Application Utility
App. No. 09/683,256 · Confirmation No. 1007

METHODS FOR THE PREPARATION OF 4-CHLOROPHTHALIC ANHYDRIDE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2014-03-17 OATH Oath or Declaration filed 135 View
2001-12-05 TRNA Transmittal of New Application 9 View
2001-12-05 ADS Application Data Sheet 2 View
2001-12-05 SPEC Specification 6 View
2001-12-05 CLM Claims 2 View
2001-12-05 ABST Abstract 2 View
2001-12-05 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/683,256
Filed
2001-12-05
Granted
2003-03-04
Art Unit
1621
PTA
0 days