IP Library › Patent Application 09890763
Patent Application Utility PCT National Stage
App. No. 09/890,763 · Confirmation No. 8272

PROCESS FOR PREPARING VINYLPYRROLIDONE POLYMER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2001-08-03 TRNA Transmittal of New Application 1 View
2001-08-03 A.PE Preliminary Amendment 3 View
2001-08-03 SPEC Specification 16 View
2001-08-03 CLM Claims 3 View
2001-08-03 ABST Abstract 1 View
2001-08-03 OATH Oath or Declaration filed 4 View
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Quick Facts
App. No.
09/890,763
Filed
2001-08-03
Granted
2002-10-15
Pub. No.
US20020173608A1
Art Unit
1713
PTA
0 days