IP Library › Granted Patent US 6,616,906
Granted Patent Utility
US 6,616,906 · Confirmation No. 6635

METHOD FOR MAKING POLYPHOSPHORIC ACID

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2003-07-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-25 TRNA Transmittal of New Application 5 View
2002-03-25 SPEC Specification 12 View
2002-03-25 CLM Claims 5 View
2002-03-25 ABST Abstract 1 View
2002-03-25 DRW Drawings-only black and white line drawings 1 View
2002-03-25 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,616,906
App. No.
10/105,573
Filed
2002-03-25
Granted
2003-09-09
Pub. No.
US20030035768A1
Art Unit
1754
PTA
0 days