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App. No. 09/892,595 · Confirmation No. 2263

PROCESS FOR SEPARATING HYDROGEN CHLORIDE FROM A MIXTURE COMPRISING AN N-ALKYL-2-PYRROLIDONE AND HYDROGEN CHLORIDE

Inventor: Holger Geissler
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-06-27 TRNA Transmittal of New Application 5 View
2001-06-27 SPEC Specification 9 View
2001-06-27 CLM Claims 1 View
2001-06-27 ABST Abstract 1 View
2001-06-27 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/892,595
Filed
2001-06-27
Granted
2003-02-18
Pub. No.
US20020014399A1
Art Unit
1764
PTA
0 days