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US3934007A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of removing toxic substances from the intestinal tract by the use of a surfactant and a sorbent

Assignee: Wyeth Holdings LLC
•
Filing: 1974-03-27
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Granted: 1976-01-20
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Expires: 1994-03-27
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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 00:25
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

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