IP Library Granted Patent US 6,541,391
Granted Patent Utility
US 6,541,391 · Confirmation No. 7638

METHODS OF CLEANING SURFACES OF COPPER-CONTAINING MATERIALS, AND METHODS OF FORMING OPENINGS TO COPPER-CONTAINING SUBSTRATES

⬇ PDF
Code Description Pages PDF
2001-02-28 TRNA Transmittal of New Application 2 View
2001-02-28 SPEC Specification 15 View
2001-02-28 CLM Claims 7 View
2001-02-28 ABST Abstract 1 View
2001-02-28 DRW Drawings-only black and white line drawings 2 View
2001-02-28 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,541,391
App. No.
09/797,356
Filed
2001-02-28
Granted
2003-04-01
Pub. No.
US20020119656A1
Art Unit
2813
PTA
0 days