Patent US3780171A successfully refreshed from Google Patents.
US3780171A
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Ingestible polymeric compositions
Assignee: Merck Patent GmbH
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Filing: 1970-12-15
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Granted: 1973-12-18
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Expires: 1990-12-15
Abstract
Abstract INGESTION OF EFFECTIVE AMOUNTS OF A POLYMERIC COMPOSITION COMPRISING AT LEAST ONE SYNTHETIC, NON-TOXIC, WATER INSOLUBLE GRANULAR CROSS-LINKED POLYMER WHICH IS INERT TO DIGESTIVE ENZYMES AND CONTAINS IONIZABLE AMINO GROUPS, AND HAS A MACROPOROUS STRUCTURE, A SWELLING VOLUME OF LESS THAN 5 ML./G. IN WATER AND A MAXIMUM GRAIN SIZE OF 0.5 MM. AND WHICH EXHIBITS, AFTER EQUILIBRATION WITH AIR OF 100% RELATIVE HUMIDITY AT 25*C., A MOISTURE CONTENT OF LESS THAN 50% BY WEIGHT, PRODUCES A LOWERING OF CHOLESTEROL AND TRIGLYCERIDE BLOOD LEVELS. THE POLYMERIC COMPOSITIONS EXHIBIT LIPID-BINDING AND BILE-ACID BINDING EFFECTS AND LIPASE INHIBITION.
Inventors
- 👤 K Irmscher
- 👤 M Klockow
- 👤 W Mehrhof
- 👤 H Nowak
- 👤 K Freisberg
- 👤 K Pfitzner
- 👤 D Randaj
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:15
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/55; A61K38/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |