US3860712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method for treatment of acne or seborrhea
Assignee: STWB Inc
•
Filing: 1973-04-16
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Granted: 1975-01-14
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Expires: 1993-04-16
Abstract
Abstract A composition for treatment of the conditions of acne or seborrhea comprising urea and a bile acid in alcohol media, optionally containing an antibacterial or lipase-inhibitory substance.
Inventors
- 👤 Richard A Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/575; C; C07; C07J; C07J9/00; C07J9/005
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
20 words
A composition according to claim 1 in which the unconjugated bile acid is deoxycHolic acid and the alcohol is ethanol.
Claim 2
Dependent Claim
59 words
A composition according to claim 1 in which the urea is present in a concentration of from 10 to 25 percent by weight, the unconjugated bile acid is deoxycholic acid, present in a concentration of from 0.25 to 0.5 percent by weight, and the alcohol is ethanol present in a concentration of from 30 to 45 percent by weight.
Claim 3
Dependent Claim
19 words
A composition according to claim 1 which contains an effective amount of a substance having antibacterial or lipase-inhibitory activity.
Claim 4
Dependent Claim
28 words
A composition according to claim 4 in which the antibacterial and lipase-inhibitory compound is a bis-biguanide compound, present in concentration of from 0.05 to 1 percent by weight.
Claim 5
Dependent Claim
13 words
A composition according to claim 5 in which the biguanide compound is 1,6-bis(2-ethylhexylbiguanido)hexane.
Claim 6
Dependent Claim
42 words
A method of treating the conditions of acne or seborrhea by removing excess sebum and keratin from the skin, which comprises applying to the affected skin area a composition according to claim 1 and then rinsing away the composition from the skin.
Claim 7
Dependent Claim
56 words
A method of treating the conditions of acne or seborrhea by removing excess sebum and keratin from the skin, and by inhibiting bacterial growth or inhibiting the break-down of glycerides to fatty acids, which comprises applying to the affected skin area a composition according to claim 4 and then rinsing away the composition from the skin.
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) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |