IP Library Granted Patent US 6,646,152
Granted Patent Utility PCT National Stage
US 6,646,152 · Confirmation No. 2763

METHOD OF PRODUCING 2-HYDROXYCARBOXYLIC ACID ESTERS

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2003-09-16 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-12 LET. Miscellaneous Incoming Letter 21 View
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Quick Facts
Patent No.
US 6,646,152
App. No.
10/070,759
Filed
2002-03-12
Granted
2003-11-11
Art Unit
1621
PTA
-3 days