IP Library › Granted Patent US 6,620,420
Granted Patent Utility
US 6,620,420 · Confirmation No. 8251

GEL CREAMS IN THE FORM OF O/W EMULSIONS CONTAINING ONE OR MORE AMMONIUM ACRYLOYLDIMETHYLTAURATE/VINYLPYRROLIDONE COPOLYMERS

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 Code Description Pages PDF
2005-09-12 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-07-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-21 LET. Miscellaneous Incoming Letter 1 View
2001-12-19 TRNA Transmittal of New Application 3 View
2001-12-19 SPEC Specification 32 View
2001-12-19 CLM Claims 1 View
2001-12-19 ABST Abstract 1 View
2001-12-19 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,620,420
App. No.
10/025,062
Filed
2001-12-19
Granted
2003-09-16
Pub. No.
US20020155076A1
Art Unit
1615
PTA
0 days