IP Library Granted Patent US 6,689,464
Granted Patent Utility PCT National Stage
US 6,689,464 · Confirmation No. 8577

METHOD AND DEVICE FOR PRODUCING BISPHENOL A PRILLS AND BISPHENOL A PRILLS PRODUCED ACCORDING TO THIS METHOD

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2003-10-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-31 LET. Miscellaneous Incoming Letter 30 View
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Quick Facts
Patent No.
US 6,689,464
App. No.
09/869,773
Filed
2001-08-31
Effective Filing
2001-07-02
Granted
2004-02-10
Examiner
LE, HOA T
Art Unit
1773
PTA
0 days