IP Library Granted Patent US 6,524,487
Granted Patent Utility Small
US 6,524,487 · Confirmation No. 4287

METHODS AND COMPOSITIONS USING LANTHANUM FOR REMOVING PHOSPHATE FROM WATER

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Code Description Pages PDF
2016-08-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-08-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-08-04 PA.. Power of Attorney 1 View
2016-08-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-08-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2011-10-28 C.AD Change of Address 2 View
2011-10-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2010-06-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-06-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-05-24 PA.. Power of Attorney 1 View
2010-05-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2010-05-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-07-09 TRNA Transmittal of New Application 2 View
2001-07-09 A.PE Preliminary Amendment 9 View
2001-07-09 SPEC Specification 22 View
2001-07-09 CLM Claims 6 View
2001-07-09 ABST Abstract 1 View
2001-07-09 OATH Oath or Declaration filed 8 View
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Quick Facts
Patent No.
US 6,524,487
App. No.
09/900,149
Filed
2001-07-09
Granted
2003-02-25
Pub. No.
US20020005382A1
Art Unit
1724
PTA
0 days