US4145412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for application to oral cavity and method for preparation thereof
Assignee: Vipont Pharmaceutical Inc
•
Filing: 1977-02-14
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Granted: 1979-03-20
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Expires: 1997-02-14
Abstract
Abstract An innocuous purified extract of Sanguinaria canadensis is compounded at from 0.1% to 40% with a suitable paste or a liquid to be used in an oral cavity for cleaning teeth, refreshing the cavity, and conditioning the fleshy parts of the cavity.
Inventors
- 👤 Peter A. Ladanyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:05
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K36/00; A61K36/18; A61K36/185; A61K36/66; A61K8/00; A61K8/18; A61K8/19; A61K8/27; A61K8/96; A61K8/97; A61K8/9783; A61K8/9789
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
104 words
Composition for application to oral cavities consisting of: (a) an extract of Sanguinaria canadensis, produced by treating cut or ground bloodroot with methanol by maintaining the solids with the solvent for about 24 hours at about 60° C., filtering the resultant solvent and evaporating it to dryness and the resultant residue is dissolved in chloroform and adjusted to an acid pH with HCl and dried, and the resultant residue dissolved in glycerine, in an amount of from 0.1 weight percent to 40.0 weight percent, and from 0.1-30 weight percent of zinc chloride, and (b) an innocuous carrier arranged for application to an oral cavity.
Claim 2
Dependent Claim
104 words
Composition for application to oral cavities consisting of: (a) an extract of Sanguinaria canadensis, produced by treating cut or ground bloodroot with methanol by maintaining the solids with the solvent for about 24 hours at about 60° C., filtering the resultant solvent and evaporating it to dryness and the resultant residue is dissolved in chloroform and adjusted to an acid pH with HCl and dried, and the resultant residue dissolved in glycerine, in an amount of from 0.1 weight percent to 40.0 weight percent, and from 0.1-30 weight percent of zinc chloride, and (b) an innocuous carrier arranged for application to an oral cavity.
Claim 3
Dependent Claim
20 words
The composition of claim 1 wherein said extract is present in amount of 1.0 weight percent to 10 weight percent.
Claim 4
Dependent Claim
13 words
The composition of claim 2 wherein said innocuous carrier is a toothpaste base.
Claim 5
Dependent Claim
15 words
The composition of claim 1 wherein said extract is present in about 0.5 weight percent.
Claim 6
Dependent Claim
12 words
The composition of claim 2 wherein the innocuous carrier is a liquid.
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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) | 1982-03-19 | 1982-09-18 | 1983-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-19 | 1986-09-18 | 1987-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-19 | 1990-09-18 | 1991-03-20 | $7700.00 | Window Closed / Lapsed |