Patent US5061689A successfully refreshed from Google Patents.
US5061689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc bacitracin containing wound dressing
Assignee: Bioderm Inc
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Filing: 1986-12-24
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Granted: 1991-10-29
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Expires: 2006-12-24
Abstract
Abstract Bacitracin zinc is effective to promote regenerative healing when topically applied to wounds in concentrations from about 5% to 8%. The bacitracin zinc can be applied in a hydrophilic or hydrophobic carrier, and is advantageously impregnated in an absorbent pad.
Inventors
- 👤 Oscar M. Alvarez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:29
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/46; A61K; A61K38/00; A61K38/04; A61L2300/00; A61L2300/10; A61L2300/102; A61L2300/40; A61L2300/404; A61L2300/406; A61L2300/412
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
28 words
A wound dressing comprising a layer of an impregnatable material, said material being impregnated with a composition comprising 5% to 8% bacitracin zinc in a pharmaceutically acceptable carrier.
Claim 2
Dependent Claim
28 words
A wound dressing comprising a layer of an impregnatable material, said material being impregnated with a composition comprising 5% to 8% bacitracin zinc in a pharmaceutically acceptable carrier.
Claim 3
Dependent Claim
16 words
A wound dressing according to claim 1, wherein the composition comprises 6.5% to 7.5% bacitracin zinc.
Claim 4
Dependent Claim
14 words
A wound dressing according to claim 1, wherein the impregnatable material comprises reticulated foam.
Claim 5
Dependent Claim
22 words
A wound dressing according to claim 3, further comprising a semipermeable occlusive film affixed to one side of the reticulated foam layer.
Claim 6
Dependent Claim
18 words
A wound dressing according to claim 4, further comprising means for affixing the dressing to a wounded area.
Claim 7
Dependent Claim
12 words
A wound dressing according to claim 4, wherein the film is polyurethane.
Claim 8
Dependent Claim
17 words
A wound dressing according to claim 6, wherein the composition comprises about 6.5% to 7.5% bacitracin zinc.
Claim 9
Independent Claim
28 words
A method for enhancing epidermal resurfacing of a wound comprising treating the wound with a composition comprising 5% to 8% of bacitracin zinc in a pharmaceutically acceptable carrier.
Claim 10
Independent Claim
28 words
A method for enhancing epidermal resurfacing of a wound comprising treating the wound with a composition comprising 5% to 8% of bacitracin zinc in a pharmaceutically acceptable carrier.
Claim 11
Dependent Claim
14 words
The method of claim 8, wherein the composition is impregnated in a reticulated foam.
Claim 12
Dependent Claim
12 words
The method of claim 8, wherein the carrier is a hydrophilic ointment.
Claim 13
Independent Claim
36 words
A method for enhancing epidermal resurfacing of a wound, comprising treating the wound with a composition comprising about 6.5 to 7.5% bacitracin zinc in a pharmaceutically acceptable carrier, said composition being impregnated in a reticulated foam.
Claim 14
Independent Claim
36 words
A method for enhancing epidermal resurfacing of a wound, comprising treating the wound with a composition comprising about 6.5 to 7.5% bacitracin zinc in a pharmaceutically acceptable carrier, said composition being impregnated in a reticulated foam.
Claim 15
Dependent Claim
19 words
The method of claim 11, further comprising the step of covering the impregnated foam with a semipermeable occlusive film.
Claim 16
Dependent Claim
10 words
The method of claim 12, wherein the film is polyurethane.
References Cited (Backward Citations)
US2809149A
Cited
US3419006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-28 | 1995-04-29 | 1995-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-28 | 1999-04-29 | 1999-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-28 | 2003-04-29 | 2003-10-29 | $7700.00 | Window Closed / Lapsed |