IP Library Patent Application 09771844
Patent Application Utility
App. No. 09/771,844 · Confirmation No. 9368

METHOD OF CLARIFYING BAYER PROCESS LIQUORS USING SALICYLIC ACID CONTAINING POLYMERS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2005-09-12 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-01-29 TRNA Transmittal of New Application 1 View
2001-01-29 SPEC Specification 46 View
2001-01-29 CLM Claims 3 View
2001-01-29 ABST Abstract 1 View
2001-01-29 OATH Oath or Declaration filed 3 View
2001-01-29 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/771,844
Filed
2001-01-29
Granted
2003-03-04
Art Unit
1724
PTA
-2 days