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US3856956A Expired / Lapsed US ⏱️ 0.0 years remaining

17-acyloxysteroids and their manufacture

Assignee: Boots Co PLC
•
Filing: 1972-01-28
•
Granted: 1974-12-24
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Expires: 1992-01-28
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Abstract

Abstract The invention concerns novel steroids having valuable properties as anti-inflammatory agents in veterinary and human medicine. The new steroids are 21-desoxyprednisolone 17 Alpha -propionate, -butyrate and -isobutyrate. They are particularly valuable for topical application.

Inventors

  • 👤 P Oxley
  • 👤 J Housley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 02:28
CPC Classifications
C; C07; C07J; C07J41/00; C07J41/0033; C07J41/005; C07J31/00; C07J31/006

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 22 words
A THERAPEUTIC COMPOSITION IN A FORM SUITABLE FOR TOPICAL ADMINISTRATION WHICH COMPRISES AN ANTI-INFLAMMATORY EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 22 words
A THERAPEUTIC COMPOSITION IN A FORM SUITABLE FOR TOPICAL ADMINISTRATION WHICH COMPRISES AN ANTI-INFLAMMATORY EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim 12 words
A therapeutic composition according to claim 1 in which R is ethyl.
Claim 4
Independent Claim 33 words
A method of treating a topical inflammatory condition which comprises the topical application to a subject suffering from said topical inflammatory condition of an anti-inflammatory effective amount of a compound of the formula
Claim 5
Independent Claim 33 words
A method of treating a topical inflammatory condition which comprises the topical application to a subject suffering from said topical inflammatory condition of an anti-inflammatory effective amount of a compound of the formula
Claim 6
Dependent Claim 11 words
A method according to claim 3 in which R is ethyl.
Claim 7
Dependent Claim 13 words
A therapeutic composition according to claim 1 in the form of a solution.
Claim 8
Dependent Claim 13 words
A therapeutic composition according to claim 1 in the form of a suspension.
Claim 9
Dependent Claim 13 words
A therapeutic composition according to claim 1 in the form of a cream.
Claim 10
Dependent Claim 13 words
A therapeutic composition according to claim 1 in the form of an ointment.

References Cited (Backward Citations)

US2912446A Cited
US3506694A Cited
US3763196A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-12-23 1978-06-24 1978-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-12-23 1982-06-24 1982-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-12-23 1986-06-24 1986-12-24 $7700.00 Window Closed / Lapsed

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