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US4059687A Expired / Lapsed US ⏱️ 0.0 years remaining

Ester substituted dibiguanides and non-toxic antimicrobial compositions thereof

Assignee: Colgate Palmolive Co
•
Filing: 1976-11-26
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Granted: 1977-11-22
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Expires: 1996-11-26
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Abstract

Abstract Novel dibiguanides containing an ester substituent on the terminal phenyl radical and free of the presence of, or the tendency to form, toxic substances; the process of preparing said dibiguanides, and compositions containing an effective antimicrobial amount of said dibiguanides admixed with a pharmaceutical carrier.

Inventors

  • 👤 Robert Andrew Bauman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 20:26
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/40; A01N47/42; A01N47/44; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/43; A61Q; A61Q11/00; C; C07; C07C; C07C279/00; C07C279/20; C07C279/24; C07C279/26; C07C279/265

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 83 words
A dibiguanide compound free of toxic substances having the structural formula: ##STR7## wherein one of A and B is hydrogen and the other is the ester radical ##STR8## and R is an alkyl group containing 1-8 carbon atoms and n is an integer from 5 to 12; and the acid salts thereof selected from the group consisting of HCl, HBr, HI, HF, H 2 SO 4 , CH 3 COOH, gluconic acid, H 2 PO 3 F and H 3 PO 4 .
Claim 2
Dependent Claim 83 words
A dibiguanide compound free of toxic substances having the structural formula: ##STR7## wherein one of A and B is hydrogen and the other is the ester radical ##STR8## and R is an alkyl group containing 1-8 carbon atoms and n is an integer from 5 to 12; and the acid salts thereof selected from the group consisting of HCl, HBr, HI, HF, H 2 SO 4 , CH 3 COOH, gluconic acid, H 2 PO 3 F and H 3 PO 4 .
Claim 3
Dependent Claim 11 words
A compound in accordance with claim 1 wherein n is 6.
Claim 4
Dependent Claim 17 words
A compound in accordance with claim 1 wherein A is an ester radical and B is hydrogen.
Claim 5
Dependent Claim 17 words
A compound in accordance with claim 1 wherein B is an ester radical and A is hydrogen.
Claim 6
Dependent Claim 12 words
A compound in accordance with claim 1 having the formula N,N"-bis(4-butyloxycarbonylphenyl)-3,12,diimino-2,4,11,13-tetraazatetradecanediimidamide dihydrochloride.
Claim 7
Dependent Claim 11 words
A compound in accordance with claim 1 having the formula N,N"-bis(4-pentyloxycarbonylphenyl)-3,12,diimino-2,4,11,13,-tetraazatetradecanediimidamide.
Claim 8
Dependent Claim 13 words
A compound in accordance with claim 1, having the formula N,N"-bis(4-butyloxycarbonylphenyl)-3, 12-diimino-2,4,11,13-tetraazatetradecanediimidamide diacetate.
Claim 9
Dependent Claim 20 words
A non-toxic composition containing an effective antimicrobial amount of the compound defined in claim 1 admixed with a pharmaceutical carrier.
Claim 10
Dependent Claim 20 words
A non-toxic composition containing an effective antimicrobial amount of the compound defined in claim 1 admixed with an oral preparation.

References Cited (Backward Citations)

US2684924A Cited
US2690455A Cited
US2863919A Cited
US3183230A Cited
US3794685A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-11-21 1981-05-23 1981-11-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-11-21 1985-05-23 1985-11-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-11-21 1989-05-23 1989-11-22 $7700.00 Window Closed / Lapsed

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