IP Library Granted Patent US 6,696,385
Granted Patent Utility
US 6,696,385 · Confirmation No. 1682

METHOD OF PRESERVING SULFONIC ACID-TYPE CATION-EXCHANGE RESIN MODIFIED WITH THIOL-CONTAINING AMINE COMPOUND

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Code Description Pages PDF
2003-12-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-12-08 FRPR Certified Copy of Foreign Priority Application 3 View
2003-05-13 TRNA Transmittal of New Application 2 View
2003-05-13 ADS Application Data Sheet 2 View
2003-05-13 A.PE Preliminary Amendment 3 View
2003-05-13 SPEC Specification 9 View
2003-05-13 CLM Claims 2 View
2003-05-13 ABST Abstract 1 View
2003-05-13 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,696,385
App. No.
10/436,282
Filed
2003-05-13
Granted
2004-02-24
Pub. No.
US20030211934A1
Art Unit
1755
PTA
0 days