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US3934007A
Expired / Lapsed
US
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Method of removing toxic substances from the intestinal tract by the use of a surfactant and a sorbent
Assignee: Wyeth Holdings LLC
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Filing: 1974-03-27
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Granted: 1976-01-20
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Expires: 1994-03-27
Abstract
Abstract Method of removing metabolic waste products from a warm-blooded animal by orally administering a composition of a non-toxic surfactant and pharmaceutically acceptable sorbents. The compositions are useful in treating chronic and acute uremia, hepatic failure due to cirrhosis or other causes, acute renal failure such as from drug poisonings and other conditions requiring removal of toxic substances in which oral drug administration is feasible.
Inventors
- 👤 Robert Zalmon Gussin
- 👤 Lewis Smith Meriwether
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:38
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A61K31/715
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
63 words
A method of facilitating the removal of urea, creatinine and ammonia from the intestinal tract of a warm-blooded animal which comprises orally administering to said animal an effective urea, creatinine and ammonia lowering amount of a composition of 1 part dioctyl sodium sulfosuccinate and from 10-10,000 parts of at least one sorbent selected from the group consisting of activated carbon, oxystarch and oxycellulose.
Claim 2
Independent Claim
63 words
A method of facilitating the removal of urea, creatinine and ammonia from the intestinal tract of a warm-blooded animal which comprises orally administering to said animal an effective urea, creatinine and ammonia lowering amount of a composition of 1 part dioctyl sodium sulfosuccinate and from 10-10,000 parts of at least one sorbent selected from the group consisting of activated carbon, oxystarch and oxycellulose.
Claim 3
Dependent Claim
15 words
A method in accordance with claim 1, wherein the sorbent is activated carbon and oxystarch.
Claim 4
Dependent Claim
12 words
A method in accordance with claim 1, wherein the sorbent is oxystarch.
Claim 5
Dependent Claim
15 words
A method in accordance with claim 1, wherein the sorbent is activated carbon and oxycellulose.
Claim 6
Dependent Claim
14 words
A method in accordance with claim 1, wherein the sorbent is oxystarch and oxycellulose.
References Cited (Backward Citations)
US3642986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |