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App. No. 10/144,887 · Confirmation No. 5249

PROCESS FOR THE PURIFICATION AND FORMULATION OF O-PHTHALALDEHYDE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2002-05-15 TRNA Transmittal of New Application 2 View
2002-05-15 SPEC Specification 6 View
2002-05-15 CLM Claims 2 View
2002-05-15 ABST Abstract 1 View
2002-05-15 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
10/144,887
Filed
2002-05-15
Granted
2002-11-26
Pub. No.
US20020173678A1
Art Unit
1621
PTA
0 days