IP Library Granted Patent US 6,667,021
Granted Patent Utility
US 6,667,021 · Confirmation No. 2486

METHOD FOR PRODUCING ENHANCED SODIUM CARBONATE CRYSTALS FOR MAKING SODIUM BICARBONATE

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Code Description Pages PDF
2003-09-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-09-12 TRNA Transmittal of New Application 2 View
2001-09-12 SPEC Specification 24 View
2001-09-12 CLM Claims 5 View
2001-09-12 ABST Abstract 1 View
2001-09-12 DRW Drawings-only black and white line drawings 1 View
2001-09-12 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,667,021
App. No.
09/950,875
Filed
2001-09-12
Granted
2003-12-23
Pub. No.
US20030049192A1
Art Unit
1754
PTA
0 days