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App. No. 10/256,836 · Confirmation No. 4414

PROCESS FOR THE ALKYLATION OF 3,4-DIHYDROXYTHIOPHENE-2,5-DICARBOXYLIC ESTERS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
10/256,836
Filed
2002-09-27
Granted
2004-06-15
Pub. No.
US20030097007A1
Art Unit
1626
PTA
0 days