IP Library › Granted Patent US 6,652,886
Granted Patent Utility Small
US 6,652,886 · Confirmation No. 5335

BIODEGRADABLE CATIONIC COPOLYMERS OF POLY (ALKYLENIMINE) AND POLY (ETHYLENE GLYCOL) FOR THE DELIVERY OF BIOACTIVE AGENTS

Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2008-07-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-07-22 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2008-07-22 PA.. Power of Attorney 1 View
2003-08-18 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-02-16 TRNA Transmittal of New Application 3 View
2001-02-16 SPEC Specification 28 View
2001-02-16 CLM Claims 8 View
2001-02-16 ABST Abstract 1 View
2001-02-16 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,652,886
App. No.
09/785,525
Filed
2001-02-16
Granted
2003-11-25
Pub. No.
US20020141965A1
Art Unit
1615
PTA
0 days