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US3897485A Expired / Lapsed US ⏱️ 0.0 years remaining

Choline compounds

Assignee: J BERTHIER LAB
•
Filing: 1971-06-30
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Granted: 1975-07-29
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Expires: 1991-06-30
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Abstract

Abstract Dialkyl acetate salts of choline are disclosed having hepatic protective and regenerative properties as well as being useful in treating liver jaundice, viral hepatitis, cirrhosis and reducing blood cholesterol. A process for the preparation of the compounds is also given.

Inventors

  • 👤 Henry Eugene Jean-Mari Meunier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:59
CPC Classifications
C; C07; C07C; C07C53/00; C07C53/126; C07C53/128

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
CHOLINE DIPROPYLACETATE, HAVING THE FORMULA
Claim 2
Dependent Claim 5 words
CHOLINE DIPROPYLACETATE, HAVING THE FORMULA

References Cited (Backward Citations)

FR1443409A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-07-28 1979-01-27 1979-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-07-28 1983-01-27 1983-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-07-28 1987-01-27 1987-07-29 $7700.00 Window Closed / Lapsed

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