IP Library › Granted Patent US 6,414,159
Granted Patent Utility
US 6,414,159 · Confirmation No. 5870

METHOD FOR PREPARATION OF A QUATERNARY AMMONIUM SALT

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 Code Description Pages PDF
2001-02-09 TRNA Transmittal of New Application 3 View
2001-02-09 SPEC Specification 12 View
2001-02-09 CLM Claims 1 View
2001-02-09 ABST Abstract 1 View
2001-02-09 DRW Drawings-only black and white line drawings 1 View
2001-02-09 OATH Oath or Declaration filed 2 View
2001-02-09 TRNA Transmittal of New Application 3 View
2001-02-09 SPEC Specification 12 View
2001-02-09 CLM Claims 1 View
2001-02-09 ABST Abstract 1 View
2001-02-09 DRW Drawings-only black and white line drawings 1 View
2001-02-09 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,414,159
App. No.
09/779,743
Filed
2001-02-09
Granted
2002-07-02
Pub. No.
US20010018526A1
Art Unit
1625
PTA
0 days