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US3761597A Expired / Lapsed US ⏱️ 0.0 years remaining

1-amidino-3-(substituted-phenyl) urea antimalarial composition and method of use

Assignee: Individual
•
Filing: 1970-06-30
•
Granted: 1973-09-25
•
Expires: 1990-06-30
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Abstract

Abstract Compositions for use as antimalarials which comprise a 1amidino-3-(substituted-phenyl)urea compound of the formula OR A PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT THEREOF WHEREIN Y4 is halogen, trifluoromethyl, cyano or nitro, and the Y''s are selected from halogen, trifluoromethyl, cyano, nitro, methyl and hydrogen, provided that at least one of the Y''s is a substituent other than hydrogen except where Y4 is cyano or trifluoromethyl, and provided that Y4 and any one of the Y''s are not the same substituent when any one of them is selected from cyano, nitro, trifluoromethyl and methyl, and further provided that not more than two of the Y''s is a substituent other than hydrogen, and a pharmaceuticaly acceptable carrier. And a method for treatment or prophylaxis of malaria in mammals which comprises administering an effective anti-malarial amount of a 1-amidino-3-(substituted-phenyl)urea compound as herein defined or a pharmaceutically acceptable acid addition salt thereof.

Inventors

  • 👤 L Walls

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 17:30
CPC Classifications
C; C07; C07C; C07C279/00; C07C279/20; C07C279/24; C07C279/26

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 19 words
A composition for use as an antimalarial which comprises an antimalarial effective amount of a compound of the formula
Claim 2
Dependent Claim 13 words
A composition according to claim 2 where halogen is chlorine, bromine or fluorine.
Claim 3
Dependent Claim 19 words
A composition for use as an antimalarial which comprises an antimalarial effective amount of a compound of the formula
Claim 4
Dependent Claim 19 words
A composition for use as an antimalarial which comprises an antimalarial effective amount of a compound of the formula
Claim 5
Dependent Claim 31 words
A composition for use as an antimalarial which comprises an antimalarial effective amount of 1-amidino-3-(4-chloro-3-cyanophenyl)urea or a pharmaceutically acceptable acid addition Salt thereof, in association with a pharmaceutically acceptable carrier therefor.
Claim 6
Dependent Claim 31 words
A composition for use as an antimalarial which comprises an antimalarial effective amount of 1-amidino-3-(3-chloro-4-cyanophenyl)urea or a pharmaceutically acceptable acid addition salt thereof, in association with a pharmaceutically acceptable carrier therefor.
Claim 7
Dependent Claim 37 words
A composition for use as an antimalarial which comprises an antimalarial effective amount of 1-amidino-3-(3-chloro-4-cyanophenyl)urea or a pharmaceutically acceptable acid addition salt thereof in association with a pharmaceutically acceptable carrier therefor in the form of a tablet.
Claim 8
Independent Claim 29 words
A method for the treatment or prophylaxis of malaria in mammals comprising administering to the mammal in need thereof an effective antimalarial amount of a compound of the formula
Claim 9
Independent Claim 30 words
A method for the treatment or prophylaxis of malaria in mammals which comprises administering to a mammal in need thereof an effective antimalarial amount of a compound of the formula
Claim 10
Dependent Claim 13 words
A method according to claim 10 wherein halogen is chlorine, bromine or fluorine.
Claim 11
Independent Claim 30 words
A method for the treatment or prophylaxis of malaria in mammals which comprises administering to a mammal in need thereof an effective antimalarial amount of a compound of the formula
Claim 12
Independent Claim 30 words
A method for the treatment or prophylaxis of malaria in mammals which comprises administering to a mammal in need thereof an effective antimalarial amount of a compound of the formula
Claim 13
Independent Claim 35 words
A method for the treatment or prophylaxis of malaria in mammals which comprises administering to the mammal in need thereof an effective antimalarial amount of 1-amidino-3-(3-chloro-4-cyanophenyl) urea or a pharmaceutically acceptable acid addition salt thereof.

References Cited (Backward Citations)

FR1548340A Cited
GB1194835A Cited
US3539616A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-09-24 1977-03-26 1977-09-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-09-24 1981-03-26 1981-09-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-09-24 1985-03-26 1985-09-25 $7700.00 Window Closed / Lapsed

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