IP Library Patent Application 09831338
Patent Application Utility PCT National Stage
App. No. 09/831,338 · Confirmation No. 2968

POLYMER COMPOSITION, MEMBRANE CONTAINING SAID COMPOSITION, METHOD FOR THE PRODUCTION AND USES THEREOF

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2003-08-28 IFEE Issue Fee Payment (PTO-85B) 3 View
2001-10-22 LET. Miscellaneous Incoming Letter 33 View
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Quick Facts
App. No.
09/831,338
Filed
2001-10-22
Effective Filing
2001-05-07
Granted
2003-10-14
Art Unit
1713
PTA
0 days