IP Library Granted Patent US 6,391,198
Granted Patent Utility
US 6,391,198 · Confirmation No. 7844

METHOD AND APPARATUS FOR SLUDGE AND OIL SEPARATION FROM AQUEOUS SOLUTIONS/EMULSIONS

Patented Case View Patent ↗
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Code Description Pages PDF
2001-06-22 TRNA Transmittal of New Application 2 View
2001-06-22 SPEC Specification 14 View
2001-06-22 CLM Claims 6 View
2001-06-22 ABST Abstract 1 View
2001-06-22 DRW Drawings-only black and white line drawings 4 View
2001-06-22 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,391,198
App. No.
09/887,841
Filed
2001-06-22
Granted
2002-05-21
Art Unit
1724
PTA
-83 days