US4229437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paste or dough-like salve for treating skin
Assignee: Individual
•
Filing: 1978-07-18
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Granted: 1980-10-21
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Expires: 1998-07-18
Abstract
Abstract Dried bittersweet root bark is combined with crystalline zinc chloride to form a salve which is topically applied to remove unwanted growths from the skin. The salve comprises an admixture of a major volumetric proportion of root bark with a minor volumetric proportion of zinc chloride crystals.
Inventors
- 👤 Jonas S. Likens, deceased
- 👤 heir Lucille L. Filson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:19
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/24; A61K33/30; A61K36/00; A61K36/18; A61K36/185; A61K36/81
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
45 words
A paste or dough-like salve for treating skin topically which is substantially hemogeneous and consists essentially of an admixture of a minor volumetric effective proportion of zinc chloride crystals with a major volumetric effective proportion of dried and ground bark of roots from Solanum dulcamara.
Claim 2
Dependent Claim
45 words
A paste or dough-like salve for treating skin topically which is substantially hemogeneous and consists essentially of an admixture of a minor volumetric effective proportion of zinc chloride crystals with a major volumetric effective proportion of dried and ground bark of roots from Solanum dulcamara.
Claim 3
Dependent Claim
21 words
An admixture according to claim 1 wherein the volumetric proportion of bark to zinc chloride crystals is approximately 3 to 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-21 | 1984-04-21 | 1984-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-21 | 1988-04-21 | 1988-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-21 | 1992-04-21 | 1992-10-21 | $7700.00 | Window Closed / Lapsed |