US4073887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for treating ingrown toenails
Assignee: Individual
•
Filing: 1974-08-07
•
Granted: 1978-02-14
•
Expires: 1994-08-07
Abstract
Abstract Onyxis or ingrowing of the nails and especially onychocryptosis, unguis incarnatus, or ingrowing of the toenails is treated by applying to the affected nail and adjacent cuticle and skin area a topical solution comprising, as the active ingredient, ferric subsulfate solution, and allowing the solution to remain in contact with the nail and the surrounding skin area, by repeating this application night and morning for several days, until the unguis incarnatus is significantly alleviated.
Inventors
- 👤 Ellis J. McLean, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:45
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/23; A61K33/00; A61K33/24; A61K33/26; A61Q; A61Q3/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
80 words
A process for treating unguis incarnatus comprising the steps of: (a) applying to the nail and the skin area adjacent thereto of a person suffering from unguis incarnatus, a topical composition consisting essentially of ferric subsulfate solution; (b) maintaining said ferric subsulfate in contact with the affected onyx and skin area adjacent thereto for several hours; and (c) repeating steps (a) and (b) at least once daily for several days until the symptoms of said unguis incarnatus are substantially alleviated.
Claim 2
Dependent Claim
80 words
A process for treating unguis incarnatus comprising the steps of: (a) applying to the nail and the skin area adjacent thereto of a person suffering from unguis incarnatus, a topical composition consisting essentially of ferric subsulfate solution; (b) maintaining said ferric subsulfate in contact with the affected onyx and skin area adjacent thereto for several hours; and (c) repeating steps (a) and (b) at least once daily for several days until the symptoms of said unguis incarnatus are substantially alleviated.
Claim 3
Dependent Claim
24 words
The process as claimed in claim 1, wherein steps (a) and (b) are repeated twice daily for a period not exceeding about 10 days.
Claim 4
Dependent Claim
89 words
A process for treating ingrowing toenails comprising the sequential steps of: (a) soaking the foot of the person suffering from ingrowing toenails on which the affected nail is located in hot, soapy water for a period of from about 5 to about 10 minutes; (b) rinsing and drying the foot; (c) applying to the affected toenail and adjacent cuticle and surrounding skin area ferric subsulfate solution; (d) repeating steps (a) through (c), inclusive, for several days, at least once a day, until the ingrowing toenail symptoms are substantially alleviated.
Claim 5
Dependent Claim
89 words
A process for treating ingrowing toenails comprising the sequential steps of: (a) soaking the foot of the person suffering from ingrowing toenails on which the affected nail is located in hot, soapy water for a period of from about 5 to about 10 minutes; (b) rinsing and drying the foot; (c) applying to the affected toenail and adjacent cuticle and surrounding skin area ferric subsulfate solution; (d) repeating steps (a) through (c), inclusive, for several days, at least once a day, until the ingrowing toenail symptoms are substantially alleviated.
Claim 6
Dependent Claim
21 words
The process as claimed in claim 3, wherein the ferric subsulfate solution is applied under the edges of the affected nail.
Claim 7
Dependent Claim
25 words
The process as claimed in claim 3, wherein steps (a) through (c) inclusive, are repeated twice daily for a period not exceeding about 10 days.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |