US4765478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispenser for viscous medicant
Assignee: Smith and Nephew PLC
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Filing: 1987-09-08
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Granted: 1988-08-23
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Expires: 2007-09-08
Abstract
Abstract A dispenser for a viscous pharmaceutical composition comprises a tray, a support layer, a viscous pharmaceutically acceptable carrier which optionally contains a medicament and a removable protector layer. The support layer covers the base and at least two opposed sides of the tray and is capable of extending over the top edges of the said sides of the tray so that stiffening means may be fitted to the extended portion. A viscous pharmaceutically acceptable carrier overlies the support layer and may be lifted from the tray on the support layer using the stiffening means as handles. A removable protector layer covers the exposed surface of the carrier on the tray. The carrier adheres more strongly to the support layer than to the protector layer so that the latter may be peeled from the carrier without disturbing it on the support layer. Preferably the carrier contains from 1 to 12.5% by weight of antibacterial agent.
Inventors
- 👤 Keith D. Bringloe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:09
CPC Classifications
A; A61; A61M; A61M35/00; A61F; A61F15/00; A61F15/001; A61K; A61K9/00; A61K9/70
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
98 words
A dispenser for a viscous pharmaceutical composition which dispenser comprises a tray, a support layer which covers the base and at least two opposed sides of the tray and is capable of extending over the top edges of said sides of the tray, a viscous pharmaceutically acceptable carrier which overlies the support layer and which may be lifted from the tray on the support layer and a removable protector layer covering the exposed surface of the pharmaceutically acceptable carrier, and in which the pharmaceutically acceptable carrier adheres more strongly to the support layer than to the protector layer.
Claim 2
Dependent Claim
98 words
A dispenser for a viscous pharmaceutical composition which dispenser comprises a tray, a support layer which covers the base and at least two opposed sides of the tray and is capable of extending over the top edges of said sides of the tray, a viscous pharmaceutically acceptable carrier which overlies the support layer and which may be lifted from the tray on the support layer and a removable protector layer covering the exposed surface of the pharmaceutically acceptable carrier, and in which the pharmaceutically acceptable carrier adheres more strongly to the support layer than to the protector layer.
Claim 3
Dependent Claim
16 words
A dispenser according to claim 1 in which the viscous pharmaceutically acceptable carrier contains a medicament.
Claim 4
Dependent Claim
22 words
A dispenser according to claim 2 in which the pharmaceutically acceptable carrier contains from 1 to 12.5% by weight of antibacterial agent.
Claim 5
Dependent Claim
14 words
A dispenser according to claim 3 in which the antibacterial agent is silver sulphadiazine.
Claim 6
Dependent Claim
17 words
A dispenser according to claim 1 in which the viscous pharmaceutically acceptable carrier is an oil-in-water emulsion.
Claim 7
Dependent Claim
17 words
A dispenser according to claim 1 in which the viscous pharmaceutically acceptable carrier is a self-supporting gel.
Claim 8
Dependent Claim
17 words
A dispenser according to claim 1 in which the viscous pharmaceutically acceptable carrier is a hydrophobic ointment.
Claim 9
Dependent Claim
18 words
A dispenser according to claim 1 in which the tray is formed from a vacuum mouldable polymeric material.
Claim 10
Dependent Claim
19 words
A dispenser according to claim 1 in which the tray has a depth of from 2.5 to 8.0 mm.
Claim 11
Dependent Claim
27 words
A dispenser according to claim 1 in which the carrier comprises a net-like material which has been formed by stretching of an embossed film to cause fibrillation.
Claim 12
Dependent Claim
39 words
A dispenser according to claim 1 in which the two opposed extended parts of the support layer each carries a stiffened portion as a handle to facilitate lifting of the support layer and pharmaceutically acceptable carrier from the tray.
Claim 13
Dependent Claim
15 words
A dispenser according to claim 1 in which the protector layer comprises a net-like material.
Claim 14
Dependent Claim
19 words
A dispenser according to claim 1 which is sterile and which is packaged in a bacteria-proof and water-proof package.
Claim 15
Independent Claim
140 words
A method of treatment of an animal which comprises applying to the skin of the animal a viscous pharmaceutically acceptable carrier when dispensed from a dispenser which comprises a tray, a support layer which covers the base and at least two opposed sides of the tray and is capable of extending over the top edges of said sides of the tray, the said carrier which overlies the support layer and a removable protector layer which covers the exposed surface of the said carrier and in which the said carrier adheres more strongly to the support layer than to the protector layer, which method comprises peeling the protector layer from the surface of the said carrier, lifting the support layer and the said carrier from the tray, inverting to apply said carrier to the skin and peeling off the support layer.
Claim 16
Independent Claim
140 words
A method of treatment of an animal which comprises applying to the skin of the animal a viscous pharmaceutically acceptable carrier when dispensed from a dispenser which comprises a tray, a support layer which covers the base and at least two opposed sides of the tray and is capable of extending over the top edges of said sides of the tray, the said carrier which overlies the support layer and a removable protector layer which covers the exposed surface of the said carrier and in which the said carrier adheres more strongly to the support layer than to the protector layer, which method comprises peeling the protector layer from the surface of the said carrier, lifting the support layer and the said carrier from the tray, inverting to apply said carrier to the skin and peeling off the support layer.
Claim 17
Dependent Claim
30 words
A method according to claim 14 in which the support layer and the said carrier are lifted by means of handles present at two opposed edges of the support layer.
Claim 18
Dependent Claim
19 words
A method according to claim 15 in which the said carrier contains from 1 to 12.5% of antibacterial agent.
Claim 19
Dependent Claim
14 words
A method according to claim 16 in which the antibacterial agent is silver sulphadiazine.
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) | 1991-08-23 | 1992-02-22 | 1992-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-23 | 1996-02-22 | 1996-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-23 | 2000-02-22 | 2000-08-23 | $7700.00 | Window Closed / Lapsed |