IP Library Granted Patent US 6,693,139
Granted Patent Utility
US 6,693,139 · Confirmation No. 5134

TREATED ION EXCHANGE RESIN AND METHOD FOR TREATMENT THEREOF

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Code Description Pages PDF
2003-12-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-12-11 LET. Miscellaneous Incoming Letter 2 View
2003-12-11 DRW Drawings-only black and white line drawings 2 View
2003-11-05 PA.. Power of Attorney 4 View
2001-09-06 TRNA Transmittal of New Application 3 View
2001-09-06 SPEC Specification 18 View
2001-09-06 CLM Claims 6 View
2001-09-06 ABST Abstract 1 View
2001-09-06 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US 6,693,139
App. No.
09/947,935
Filed
2001-09-06
Granted
2004-02-17
Pub. No.
US20030050350A1
Art Unit
1713
PTA
-214 days