US4440688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel derivatives of ursodeoxycholic acid
Assignee: Individual
•
Filing: 1982-06-28
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Granted: 1984-04-03
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Expires: 2002-06-28
Abstract
Abstract Novel compounds which are 7-acylderivatives of ursodeoxycholic acid are described of formula ##STR1## in which R-CO is the residue from a linear, saturated or unsaturated, carboxylic acid of 2-18 carbon atoms or the residue from a cycloalkanecarboxylic acid of 3-7 carbon atoms in the cycloalkane ring. The novel compounds are useful in the therapy of biliary calculosis, biliary diskinesia and hypertriglyceridemia.
Inventors
- 👤 Carlo Scolastico
- 👤 Cesare Sirtori
- 👤 David Kritchevsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:43
CPC Classifications
C; C07; C07J; C07J9/00; C07J9/005; A; A61; A61P; A61P1/00; A61P1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
The compound 7-oleyl-ursodeoxycholic acid.
Claim 2
Dependent Claim
4 words
The compound 7-oleyl-ursodeoxycholic acid.
References Cited (Backward Citations)
US3833620A
Cited
US4282161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-03 | 1987-10-03 | 1988-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-03 | 1991-10-03 | 1992-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-03 | 1995-10-03 | 1996-04-03 | $7700.00 | Window Closed / Lapsed |