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US5473966A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for sizing transdermal patch

Assignee: PULMONARY DIAGNOSTIC & REHABILITATION MEDICAL
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Filing: 1994-01-31
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Granted: 1995-12-12
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Expires: 2014-01-31
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Abstract

Abstract A device and method for reducing the area of a transdermal patch without altering its pharmacokinetic profile are provided. The area of a transdermal patch is reduced by aligning the patch at a location on a template which uniquely matches a dimension of the patch. The patch is then cut along a line defined by an edge of the template when the patch is at the aligned location. The template can be selected from a group of templates which correspond to the desired percentage of area reduction of the patch. A sizing template for proportionally reducing the size of a transdermal patch which is one of a group of orthogonal patches of differing sizes is also provided. The template comprises a planar member having a straight bottom edge and a stepped top edge. The width of each step on the top edge is configured to uniquely match the width of one of the transdermal patches in the group. The height of the step defines a cutting line on which the patch is to be cut to achieve a preselected percentage of size reduction.

Inventors

  • 👤 Moraima Cordon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 22:17
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/70; A61K9/7023; A61K9/703; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0605; Y10T83/869; Y10T83/8878

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 52 words
A method for reducing the area of a transdermal patch, said method comprising: aligning the patch at a location on a template which uniquely matches a dimension of the patch; and cutting the patch along a line defined by an edge of the template when the patch is at the aligned location.
Claim 2
Independent Claim 52 words
A method for reducing the area of a transdermal patch, said method comprising: aligning the patch at a location on a template which uniquely matches a dimension of the patch; and cutting the patch along a line defined by an edge of the template when the patch is at the aligned location.
Claim 3
Dependent Claim 22 words
A method as in claim 1, further comprising selecting the template from a group based on a desired percentage of area reduction.
Claim 4
Dependent Claim 19 words
The method of claim 2, wherein the desired percentage of area reduction is from 10 percent to 90 percent.
Claim 5
Dependent Claim 18 words
A method as in claim 1, further comprising marking the transdermal patch along the line prior to cutting.
Claim 6
Dependent Claim 23 words
The method of claim 1, wherein the patch is cut by translating a sharp instrument directly along the edge defined by the template.
Claim 7
Independent Claim 91 words
A method for reducing the area of a transdermal patch which has an initial size selected from a group of sizes, said method comprising: providing a template having a plurality of locations, wherein there is at least one location which uniquely matches a dimension of each of the sizes in the group; aligning the patch at the location on the template which uniquely matches the dimension of the patch; and cutting the patch along a line defined by an edge of the template when the patch is at the aligned location.
Claim 8
Independent Claim 91 words
A method for reducing the area of a transdermal patch which has an initial size selected from a group of sizes, said method comprising: providing a template having a plurality of locations, wherein there is at least one location which uniquely matches a dimension of each of the sizes in the group; aligning the patch at the location on the template which uniquely matches the dimension of the patch; and cutting the patch along a line defined by an edge of the template when the patch is at the aligned location.
Claim 9
Dependent Claim 24 words
A method as in claim 6, wherein the template is selected from a group of templates based on a desired percentage of area reduction.
Claim 10
Dependent Claim 19 words
The method of claim 7, wherein the desired percentage of area reduction is from 10 percent to 90 percent.
Claim 11
Dependent Claim 18 words
A method as in claim 6, further comprising marking the transdermal patch along the line prior to cutting.
Claim 12
Dependent Claim 23 words
The method of claim 6, wherein the patch is cut by translating a sharp instrument directly along the edge defined by the template.

References Cited (Backward Citations)

US697701A Cited
US3961552A Cited
US5238933A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1998-12-11 1999-06-12 1999-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2002-12-11 2003-06-12 2003-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2006-12-11 2007-06-12 2007-12-12 $7700.00 Window Closed / Lapsed

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