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App. No. 09/941,078 · Confirmation No. 5750

PROCESS FOR THE PREPARATION OF DIHYDROCOUMARIN BY HYDROGENATING COUMARIN

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-08-28 TRNA Transmittal of New Application 2 View
2001-08-28 SPEC Specification 4 View
2001-08-28 CLM Claims 1 View
2001-08-28 ABST Abstract 1 View
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Quick Facts
App. No.
09/941,078
Filed
2001-08-28
Granted
2002-10-08
Pub. No.
US20020049340A1
Art Unit
1626
PTA
-7 days