IP Library › Granted Patent US 6,388,144
Granted Patent Utility
US 6,388,144 · Confirmation No. 8842

METHOD FOR REDUCING METHYLBENZOFURAN LEVELS IN HIGH PURITY PHENOL

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2017-01-24 MFEE.C.AD Maintenance Fee Address Change 2 View
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2011-10-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-10-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
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2011-10-11 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2001-06-15 TRNA Transmittal of New Application 3 View
2001-06-15 SPEC Specification 13 View
2001-06-15 CLM Claims 3 View
2001-06-15 ABST Abstract 1 View
2001-06-15 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,388,144
App. No.
09/882,447
Filed
2001-06-15
Granted
2002-05-14
Art Unit
1621
PTA
0 days