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US4624849A Expired / Lapsed US ⏱️ 0.0 years remaining

Antimicrobial lozenges

Assignee: Procter and Gamble Co
•
Filing: 1984-11-02
•
Granted: 1986-11-25
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Expires: 2004-11-02
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Abstract

Abstract Lozenges are disclosed which contain a cationic therapeutic agent effective against plaque and gingivitis and a nonionic lubricant.

Inventors

  • 👤 Kevin C. Toogood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:46
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0056; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/43; A61Q; A61Q11/00

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 77 words
A non-cariogenic lozenge consisting essentially of from about 0.02% to about 1% of a cationic antimicrobial, from about 0.1% to about 4% of a nonionic lubricant selected from the group consisting of polyethylene glycols, hydrogenated tallow, hydrogenated vegetable oil and mixtures thereof and from about 85% to about 99.8% of a filler selected from the group consisting of mannitol, sorbitol, xylitol, polyethylene glycol, non-cariogenic dextrans and mixtures thereof, wherein said lozenge is substantially free of magnesium stearate.
Claim 2
Dependent Claim 77 words
A non-cariogenic lozenge consisting essentially of from about 0.02% to about 1% of a cationic antimicrobial, from about 0.1% to about 4% of a nonionic lubricant selected from the group consisting of polyethylene glycols, hydrogenated tallow, hydrogenated vegetable oil and mixtures thereof and from about 85% to about 99.8% of a filler selected from the group consisting of mannitol, sorbitol, xylitol, polyethylene glycol, non-cariogenic dextrans and mixtures thereof, wherein said lozenge is substantially free of magnesium stearate.
Claim 3
Dependent Claim 25 words
A lozenge according to claim 1 wherein the cationic antimicrobial is selected from the group consisting of quaternary ammonium compounds, substituted guanidines and mixtures thereof.
Claim 4
Dependent Claim 15 words
A lozenge according to claim 2 wherein the cationic antimicrobial agent is a substituted guanidine.
Claim 5
Dependent Claim 16 words
A lozenge according to claim 2 wherein the cationic antimicrobial agent is a quaternary ammonium compound.
Claim 6
Dependent Claim 13 words
A lozenge according to claim 3 wherein the lubricant is hydrogenated vegetable oil.
Claim 7
Dependent Claim 21 words
A lozenge according to claim 5 wherein the filler is selected from the group consisting of sorbitol, mannitol and mixtures thereof.
Claim 8
Dependent Claim 13 words
A lozenge according to claim 6 wherein the cationic antimicrobial agent is chlorhexidine.
Claim 9
Dependent Claim 17 words
A lozenge according to claim 7 which in addition contains a sweetening agent and a flavoring agent.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-11-24 1990-05-26 1990-11-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-11-24 1994-05-26 1994-11-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-11-24 1998-05-26 1998-11-25 $7700.00 Window Closed / Lapsed

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