IP Library › Patent Application 09801091
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App. No. 09/801,091 · Confirmation No. 3922

PROCESS FOR THE PRODUCTION OF ALPHA-TOCOPHEROL ACETATE BY CONDENSATION OF TRIMETHYLHYDROQUINONE WITH ISOPHYTOL WITH RECYCLING OF AN ACETIC CATALYST SOLUTION

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
2001-03-08 TRNA Transmittal of New Application 2 View
2001-03-08 SPEC Specification 24 View
2001-03-08 CLM Claims 2 View
2001-03-08 ABST Abstract 1 View
2001-03-08 DRW Drawings-only black and white line drawings 1 View
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Quick Facts
App. No.
09/801,091
Filed
2001-03-08
Granted
2002-08-27
Pub. No.
US20010031881A1
Art Unit
1625
PTA
-58 days