IP Library Granted Patent US 6,592,718
Granted Patent Utility
US 6,592,718 · Confirmation No. 8262

METHOD OF IMPROVING RETENTION AND DRAINAGE IN A PAPERMAKING PROCESS USING A DIALLYL-N,N-DISUBSTITUTED AMMONIUM HALIDE/ACRYLAMIDE COPOLYMER AND A STRUCTURALLY MODIFIED CATIONIC POLYMER

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Code Description Pages PDF
2001-09-06 TRNA Transmittal of New Application 2 View
2001-09-06 SPEC Specification 29 View
2001-09-06 CLM Claims 2 View
2001-09-06 ABST Abstract 1 View
2001-09-06 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,592,718
App. No.
09/947,675
Filed
2001-09-06
Granted
2003-07-15
Art Unit
1731
PTA
0 days