IP Library › Granted Patent US 6,730,327
Granted Patent Utility
US 6,730,327 · Confirmation No. 5678

POLYMER BLENDS THAT SWELL IN AN ACIDIC ENVIRONMENT AND DESWELL IN A BASIC ENVIRONMENT

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Quick Facts
Patent No.
US 6,730,327
App. No.
10/327,457
Filed
2002-12-20
Granted
2004-05-04
Pub. No.
US20030139495A1
Art Unit
1615
PTA
0 days