IP Library Patent Application 09938012
Patent Application Utility
App. No. 09/938,012 · Confirmation No. 1121

IMPURITIES SEPARATION BY DISTILLATION

Inventor: Vijai P. Gupta
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
Code Description Pages PDF
2001-08-23 TRNA Transmittal of New Application 1 View
2001-08-23 A.PE Preliminary Amendment 4 View
2001-08-23 SPEC Specification 7 View
2001-08-23 CLM Claims 1 View
2001-08-23 ABST Abstract 1 View
2001-08-23 DRW Drawings-only black and white line drawings 1 View
2001-08-23 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/938,012
Filed
2001-08-23
Granted
2002-11-12
Pub. No.
US20020000366A1
Art Unit
1764
PTA
0 days