Patent US4808410A successfully refreshed from Google Patents.
US4808410A
Expired / Lapsed
US
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Pharmaceutical compositions containing dyclonine HC1 and phenol
Assignee: Richardson Vicks Inc
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Filing: 1987-12-16
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Granted: 1989-02-28
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Expires: 2007-12-16
Abstract
Abstract Novel pharmaceutical compositions of matter are disclosed for use in eliciting a topical anesthetic and antimicrobial response, preferably for oral health care purposes, said compositions comprising dyclonine hydrochloride and phenol. When used in combination, dyclonine hydrochloride and phenol provide an improved antimicrobial response.
Inventors
- 👤 James V. Sorrentino
- 👤 William J. Kelleher
- 👤 Jeanne O. Moye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:49
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0053; A61K9/006; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K9/0056; A61P; A61P31/00; A61P31/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
60 words
A liquid pharmaceutical composition of matter for oral health care use and having enhanced antimicrobial action comprising an aqueous-based orally acceptable pharmaceutical carrier having incorporated therein from about 0.05 to about 2.0 w/v percent of dyclonine hydrochloride and from about 0.5 to about 3.0 w/v percent of phenol, said composition having a pH of from about 3 to about 4.
Claim 2
Dependent Claim
60 words
A liquid pharmaceutical composition of matter for oral health care use and having enhanced antimicrobial action comprising an aqueous-based orally acceptable pharmaceutical carrier having incorporated therein from about 0.05 to about 2.0 w/v percent of dyclonine hydrochloride and from about 0.5 to about 3.0 w/v percent of phenol, said composition having a pH of from about 3 to about 4.
Claim 3
Dependent Claim
15 words
The composition of claim 1 wherein the pH is from about 3.2 to about 3.6.
Claim 4
Dependent Claim
52 words
A liquid pharmaceutical composition of matter for oral health care use and having enhanced antimicrobial action comprising an aqueous-based orally acceptable pharmaceutical carrier having incorporated therein about 0.1 w/v percent of dyclonine hydrochloride and from about 1.0 to about 1.4 w/v percent of phenol, said composition having a pH of about 3.4.
Claim 5
Dependent Claim
52 words
A liquid pharmaceutical composition of matter for oral health care use and having enhanced antimicrobial action comprising an aqueous-based orally acceptable pharmaceutical carrier having incorporated therein about 0.1 w/v percent of dyclonine hydrochloride and from about 1.0 to about 1.4 w/v percent of phenol, said composition having a pH of about 3.4.
Claim 6
Dependent Claim
23 words
A lozenge comprising from about 1 to about 3 milligrams of dyclonine hydrochloride and from about 10 to about 50 milligrams of phenol.
Claim 7
Dependent Claim
23 words
A lozenge comprising from about 1 to about 3 milligrams of dyclonine hydrochloride and from about 10 to about 50 milligrams of phenol.
Claim 8
Dependent Claim
15 words
The lozenge of claim 4 with from about 20 to about 35 milligrams of phenol.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |