US4009282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of proliferating skin diseases with prostaglandins
Assignee: University of Michigan (System)
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Filing: 1975-08-25
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Granted: 1977-02-22
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Expires: 1995-08-25
Abstract
Abstract Pharmaceutical compositions for treatment of proliferating skin diseases, primarily psoriasis. The compositions comprise a pharmaceutical carrier with a prostaglandin of the PGE type including PGE1, PGE2, PGE3, the lower alkyl esters thereof and 13,14-dihydro PGE1 and alkyl esters thereof as the active ingredient.
Inventors
- 👤 John J. Voorhees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:32
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/557; A61K31/21; A61K31/215; A61K31/22; A61K31/23
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
64 words
A process for teating proliferating skin diseases comprising the administration of an effective amount of PGE 1 , PGE 2 , PGE 3 or the alkyl ester thereof containing from 1 to 8 carbon atoms, inclusive, or 13,14-dihydro PGE 1 or the alkyl esters thereof containing from 1 to 8 carbon atoms inclusive, in association with a pharmaceutical carrier to a human or animal.
Claim 2
Dependent Claim
64 words
A process for teating proliferating skin diseases comprising the administration of an effective amount of PGE 1 , PGE 2 , PGE 3 or the alkyl ester thereof containing from 1 to 8 carbon atoms, inclusive, or 13,14-dihydro PGE 1 or the alkyl esters thereof containing from 1 to 8 carbon atoms inclusive, in association with a pharmaceutical carrier to a human or animal.
Claim 3
Dependent Claim
30 words
A process according to claim 1 wherein the compound is PGE 1 or the alkyl ester thereof containing from 1 to 8 carbon atoms inclusive and the administration is topically.
Claim 4
Dependent Claim
30 words
A process according to claim 1 wherein the compound is PGE 2 or the alkyl ester thereof containing from 1 to 8 carbon atoms inclusive and the administration is topically.
Claim 5
Dependent Claim
30 words
A process according to claim 1 wherein the compound is PGE 3 or the alkyl ester thereof containing from 1 to 8 carbon atoms inclusive and the administration is topically.
Claim 6
Dependent Claim
30 words
A process according to claim 1 wherein the compound is 13,14-dihydro-PGE 1 or the alkyl ester thereof containing from 1 to 8 carbon atoms inclusive and the administration is topically.
Claim 7
Dependent Claim
36 words
The process for alleviating the symptoms of psoriasis in human skin tissue which comprises applying to the area which is psoriatic a pharmaceutical composition containing an effective amount of either PGE 1 or PGE 2 .
Claim 8
Dependent Claim
36 words
The process for alleviating the symptoms of psoriasis in human skin tissue which comprises applying to the area which is psoriatic a pharmaceutical composition containing an effective amount of either PGE 1 or PGE 2 .
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) | 1980-02-22 | 1980-08-23 | 1981-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-22 | 1984-08-23 | 1985-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-22 | 1988-08-23 | 1989-02-22 | $7700.00 | Window Closed / Lapsed |