Patent US1884559A successfully refreshed from Google Patents.
Patent US3126320A successfully refreshed from Google Patents.
US3126320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enteric-coated tablets of dextran sul-
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:05
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61K9/2806; A61K9/2833; A61K9/286; A61K9/2866; A61K9/284; A61K9/2846; A61K9/2886
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
52 words
AN ENTERIC-COATED TABLET OF DEXTRAN SULFATE ESTER COMPRISING A WATER-SOLUBLE SALT OF DEXTRAN SULFATE ESTER COATED UNIFORMLY WITH AN ENTERIC COATING MATERIAL WHICH IS INSOLUBLE IN A SIMULATED GASTRIC FLUID HAVING A PH BELOW 3.0 BUT DISSOLVES OR DISINTEGRATES IN A SIMULATED INTESTINAL FLUID HAVING A PH RANGING BETWEEN 5.0 AND 8.0.
Claim 2
Dependent Claim
52 words
AN ENTERIC-COATED TABLET OF DEXTRAN SULFATE ESTER COMPRISING A WATER-SOLUBLE SALT OF DEXTRAN SULFATE ESTER COATED UNIFORMLY WITH AN ENTERIC COATING MATERIAL WHICH IS INSOLUBLE IN A SIMULATED GASTRIC FLUID HAVING A PH BELOW 3.0 BUT DISSOLVES OR DISINTEGRATES IN A SIMULATED INTESTINAL FLUID HAVING A PH RANGING BETWEEN 5.0 AND 8.0.
Claim 3
Independent Claim
50 words
A METHOD OF REGULATING THE LIPOLYTIC ACTIVITY OF THE LIVER, COMPRISING ORALLY ADMINISTERING A TABLET PROVIDED WITH AN ENTERIC COATING AND CONTAINING A WATER-SOLUBLE SALT OF DEXTRAN SULFATE, SAID COATING BEING SELECTED TO PREVENT RELEASE OF SAID WATER-SOLUBLE SALT OF DEXTRAN SULFATE UNTIL SAID TABLET IS CONTACTED BY INTESTINAL FLUID.
Claim 4
Independent Claim
50 words
A METHOD OF REGULATING THE LIPOLYTIC ACTIVITY OF THE LIVER, COMPRISING ORALLY ADMINISTERING A TABLET PROVIDED WITH AN ENTERIC COATING AND CONTAINING A WATER-SOLUBLE SALT OF DEXTRAN SULFATE, SAID COATING BEING SELECTED TO PREVENT RELEASE OF SAID WATER-SOLUBLE SALT OF DEXTRAN SULFATE UNTIL SAID TABLET IS CONTACTED BY INTESTINAL FLUID.
References Cited (Backward Citations)
US2957804A
Cited
US3070595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |