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US4470978A Expired / Lapsed US ⏱️ 0.0 years remaining

Synergistic antibacterial composition

Assignee: Abic Ltd
•
Filing: 1982-09-28
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Granted: 1984-09-11
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Expires: 2002-09-28
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Abstract

Abstract A composition is prepared of trimethoprim, an antibacterial sulfa drug or a pharmaceutically acceptable salt thereof, and phenoxyethanol in synergistically effective and antibacterial effective amounts thereof. Preferably the ratio of trimethoprim to sulfa drug to phenoxyethanol is between about 1:3-10:0.1-0.6.

Inventors

  • 👤 Maurice E. Stolar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 23:14
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/63; A61K31/635

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 42 words
Antibacterial pharmaceutical composition, comprising synergistically effective amounts of phenoxyethanol, trimethoprim, and as a sulfa drug, sulfachloropyridazine or pharmaceutically acceptable salts thereof, in an antibacterial effective amount, wherein the ratio of said trimethoprim to said sulfa drug to said phenoxyethanol is about 1:3-10:0.1-0.6.
Claim 2
Dependent Claim 42 words
Antibacterial pharmaceutical composition, comprising synergistically effective amounts of phenoxyethanol, trimethoprim, and as a sulfa drug, sulfachloropyridazine or pharmaceutically acceptable salts thereof, in an antibacterial effective amount, wherein the ratio of said trimethoprim to said sulfa drug to said phenoxyethanol is about 1:3-10:0.1-0.6.
Claim 3
Dependent Claim 18 words
Composition according to claim 1, said composition being distributed in a pharmaceutically acceptable carrier suitable for internal administration.
Claim 4
Dependent Claim 15 words
Composition according to claim 1 wherein said sulfa drug is sulfachloropyridazine or its sodium salt.
Claim 5
Dependent Claim 12 words
Composition according to claim 3 wherein said sulfa drug is sodium sulfachloropyridazine.
Claim 6
Dependent Claim 17 words
Antibacterial pharmaceutical composition comprising drinking water and an antibacterial effective amount of the composition of claim 1.
Claim 7
Dependent Claim 25 words
Method of treating bacterial infections, which comprises administering to a patient having a bacterial infection an antibacterial effective amount of the composition of claim 1.
Claim 8
Dependent Claim 41 words
Antibacterial pharmaceutical composition, comprising synergistically effective amounts of phenoxyethanol, trimethoprim, and as a sulfa drug, sulfachloropyridazine or pharmaceutically acceptable salts thereof, in an antibacterial effective amount, wherein the ratio of said trimethoprim to said sulfa drug to said phenoxyethanol is 1:3-10:0.3-0.6.
Claim 9
Dependent Claim 41 words
Antibacterial pharmaceutical composition, comprising synergistically effective amounts of phenoxyethanol, trimethoprim, and as a sulfa drug, sulfachloropyridazine or pharmaceutically acceptable salts thereof, in an antibacterial effective amount, wherein the ratio of said trimethoprim to said sulfa drug to said phenoxyethanol is 1:3-10:0.3-0.6.

References Cited (Backward Citations)

FR1583994A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-09-11 1988-03-12 1988-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-09-11 1992-03-12 1992-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-09-11 1996-03-12 1996-09-11 $7700.00 Window Closed / Lapsed

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