CA2540567A1 - Tri-peel pack for dispensing medicants - Google Patents
Tri-peel pack for dispensing medicants Download PDFInfo
- Publication number
- CA2540567A1 CA2540567A1 CA 2540567 CA2540567A CA2540567A1 CA 2540567 A1 CA2540567 A1 CA 2540567A1 CA 2540567 CA2540567 CA 2540567 CA 2540567 A CA2540567 A CA 2540567A CA 2540567 A1 CA2540567 A1 CA 2540567A1
- Authority
- CA
- Canada
- Prior art keywords
- foil
- layer
- blister
- peelable
- paper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/03—Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
- A61J1/035—Blister-type containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D2575/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by association or interconnecting two or more sheets or blanks
- B65D2575/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
- B65D2575/36—One sheet or blank being recessed and the other formed or relatively stiff flat sheet material, e.g. blister packages
- B65D2575/361—Details
- B65D2575/362—Details with special means for gaining access to the contents
- B65D2575/365—Details with special means for gaining access to the contents partially or totally releasing one sheet from the other
Description
TRI-PEEL PACK
FOR DISPENSING MEDICANTS
FIELD OF THE INVENTION
The present invention relates to a tamper-evident package and more particularly, relates to a tamper-evident package adapted to contain unit does capsules, tablets or like products in a patient compliant form having single or multiple folded data layers for a 1 week, 2 week, 28 day 30 day pack or B.I.D. dosage regimen, etc.
BACKGROUND OF THE INVENTION
The art is replete with tamper-evident packaging wherein a unit article is packaged in a manner such that subsequent to the packaging, access cannot be obtained to the article without leaving a telltale trace.
One of the most common fields in which tamper-evident packaging is employed is in the pharmaceutical field, although products other than pharmaceuticals have also been packaged in such a manner.
As aforementioned, it is desirable to provide for a child resistant and tamper-evident packaging that will give a clear indication when the contents of the packaging have been tampered with. However, at the same time, the package must be sufficiently easy for the average senior to open. Still further, it is desirable that the package be child resistant, i.e.
that a child would have a certain degree of difficulty in obtaining access to one product in the multiple packaging.
In the art, a conventional-type package which is utilized, is a laminate which comprises a blister layer having capsule receiving pockets and a foil layer over the back of the blister pack. The foil material is peelable such that when the peelable blister bubble forming the pocket is peeled off, the capsule or other item in the blister pocket will be exposed for use.
In the art, a second conventional-tupe package which is utilized is a laminate which comprises a blister layer having capsule receiving pockets and a foil layer over the back of the blister pack. The foil material is peelable, such that when the lidding material over the blister bubble forming the pocket is removed, the capsule is exposed and removed for use.
While this type of arrangement has been found to be suitable, such a package is not child resistant and is not as patient compliant.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a tamper-resistant package which, while providing reasonable, easy access to the end user, has much greater child resistant features. A patient compliant dosage regimen package and an information data layer for various information depending on the product to be packaged such as information concerning dosage and administration, directions for use, pharmaceutical information, adverse reactions and clinical pharmacology, indication and clinical use, contraindications, warnings and precautions, all part of the inner data layer or part of the extended inner and outer extended data layer.
According to the present invention, such a package comprises an outer back CR/SF
layer, and front layer, which are extended to form a creased fold over compliance. The extended inner back layer is glued to the intermediate laminate (foil/paper).
This composite is then sealed to a blister layer with at least one capsule-receiving pocket formed therein, a peelable foil/paper adhered to the blister layer with the foil/paper overlying said pocket, and at least two apertures formed in the laminate. Two tab members formed in the back layer,
FOR DISPENSING MEDICANTS
FIELD OF THE INVENTION
The present invention relates to a tamper-evident package and more particularly, relates to a tamper-evident package adapted to contain unit does capsules, tablets or like products in a patient compliant form having single or multiple folded data layers for a 1 week, 2 week, 28 day 30 day pack or B.I.D. dosage regimen, etc.
BACKGROUND OF THE INVENTION
The art is replete with tamper-evident packaging wherein a unit article is packaged in a manner such that subsequent to the packaging, access cannot be obtained to the article without leaving a telltale trace.
One of the most common fields in which tamper-evident packaging is employed is in the pharmaceutical field, although products other than pharmaceuticals have also been packaged in such a manner.
As aforementioned, it is desirable to provide for a child resistant and tamper-evident packaging that will give a clear indication when the contents of the packaging have been tampered with. However, at the same time, the package must be sufficiently easy for the average senior to open. Still further, it is desirable that the package be child resistant, i.e.
that a child would have a certain degree of difficulty in obtaining access to one product in the multiple packaging.
In the art, a conventional-type package which is utilized, is a laminate which comprises a blister layer having capsule receiving pockets and a foil layer over the back of the blister pack. The foil material is peelable such that when the peelable blister bubble forming the pocket is peeled off, the capsule or other item in the blister pocket will be exposed for use.
In the art, a second conventional-tupe package which is utilized is a laminate which comprises a blister layer having capsule receiving pockets and a foil layer over the back of the blister pack. The foil material is peelable, such that when the lidding material over the blister bubble forming the pocket is removed, the capsule is exposed and removed for use.
While this type of arrangement has been found to be suitable, such a package is not child resistant and is not as patient compliant.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a tamper-resistant package which, while providing reasonable, easy access to the end user, has much greater child resistant features. A patient compliant dosage regimen package and an information data layer for various information depending on the product to be packaged such as information concerning dosage and administration, directions for use, pharmaceutical information, adverse reactions and clinical pharmacology, indication and clinical use, contraindications, warnings and precautions, all part of the inner data layer or part of the extended inner and outer extended data layer.
According to the present invention, such a package comprises an outer back CR/SF
layer, and front layer, which are extended to form a creased fold over compliance. The extended inner back layer is glued to the intermediate laminate (foil/paper).
This composite is then sealed to a blister layer with at least one capsule-receiving pocket formed therein, a peelable foil/paper adhered to the blister layer with the foil/paper overlying said pocket, and at least two apertures formed in the laminate. Two tab members formed in the back layer,
-2-two removable panels formed in the back layer, the two removable panels, one overlying the tab member and at least one of the capsule-receiving pockets and the other can only be accessed when the first tab member is removed and which covers the leading edge of the peelable lidding material and is facing the lead edge of the first tab member, the outer back layer being formed of a material which, when a force is applied to remove the removable panel, the material will partially delaminate to leave a portion thereof adhering to the foil/paper only towards the back end of the cavity, which allows the peelable lidding material to be removed enough for the product to be exposed and easily dispensed, when the second tab member is lifted and perforation torn up to a crease.
The delamination is a pattern delamination, whereby the front part of the cavity provides for a unsealed, non-delaminated senior friendly area to bend the packaging to remove the tab member overlaying the cavity where the delamination occurs towards the centre and back of the blister cavity, but still makes it impossible to gain access to the lead area of the peelable lidding material, unless the second tab member is removed to expose the leading edge of the peelable lidding. This sequence of three child resistant procedures ensures that a child will not be able to gain access to the product, but is sufficiently accessible for a senior to gain access to a product.
In greater detail, the laminate layer is comprised of a suitable blister-packaging layer in having at least one capsule-receiving pocket therein. Conventionally, a plurality of such capsule-receiving pockets will be provided for dispensation of unit doses of pharmaceuticals. As is known in the art, this layer may comprise a normally rectangular continuous blister sheet of a flexible clear plastic film having a plurality of capsule-receiving pockets therein. Normally, this blister sheet is made of a clear flexible film, which
The delamination is a pattern delamination, whereby the front part of the cavity provides for a unsealed, non-delaminated senior friendly area to bend the packaging to remove the tab member overlaying the cavity where the delamination occurs towards the centre and back of the blister cavity, but still makes it impossible to gain access to the lead area of the peelable lidding material, unless the second tab member is removed to expose the leading edge of the peelable lidding. This sequence of three child resistant procedures ensures that a child will not be able to gain access to the product, but is sufficiently accessible for a senior to gain access to a product.
In greater detail, the laminate layer is comprised of a suitable blister-packaging layer in having at least one capsule-receiving pocket therein. Conventionally, a plurality of such capsule-receiving pockets will be provided for dispensation of unit doses of pharmaceuticals. As is known in the art, this layer may comprise a normally rectangular continuous blister sheet of a flexible clear plastic film having a plurality of capsule-receiving pockets therein. Normally, this blister sheet is made of a clear flexible film, which
-3-cannot be easily ruptured, such a film being a vinyl thermoplastic film normally about 12 mils in thickness.
The backing sheet or peelable lidding film layer is also well-known in the art; this peelable lidding layer is co-extensive with the blister sheet and covers the capsule-receiving pockets so as to close the pockets and the capsules or products contained therein. A
conventional material utilized is an aluminum foil approximately 1 mil in thickness and 40 lbs of paper per ream is glued to the foil. The pre-lacquered foil is secured to the blister sheet by normal heat seal means. The back layer is a 12 mil (up to 18 mil) partial delaminating paperboard is glued to the paper side of the foil, which, if an extended data panel is required, is extended and double-creased to form a single spine with an extended data layer panel, which is normally folded over the original data layer panel.
The back of the extended part, when folded, becomes the inside front of the package to which the pharmacist's label can be adhered to. The patient compliance packaging is produced by printing, in register, the top of the top data with the proper dosage regimen and or arrows to indicate the dosage sequence and week or weeks of treatment.
The main purpose of this invention is to design a dispensing sequence which is very difficult for a child to learn and do to dispense even only one very toxic tablet, while at the same time making.
The present invention contemplates the use of at least two-aperture cut through the peelable sheet and the blister sheet for reasons, which will become apparent hereinafter.
The number of apertures will depend on the number of unit doses or pockets; in one embodiment, each pocket is at least partially separated from an adjacent pocket by two apertures, again for reasons will become apparent hereinafter.
The backing sheet or peelable lidding film layer is also well-known in the art; this peelable lidding layer is co-extensive with the blister sheet and covers the capsule-receiving pockets so as to close the pockets and the capsules or products contained therein. A
conventional material utilized is an aluminum foil approximately 1 mil in thickness and 40 lbs of paper per ream is glued to the foil. The pre-lacquered foil is secured to the blister sheet by normal heat seal means. The back layer is a 12 mil (up to 18 mil) partial delaminating paperboard is glued to the paper side of the foil, which, if an extended data panel is required, is extended and double-creased to form a single spine with an extended data layer panel, which is normally folded over the original data layer panel.
The back of the extended part, when folded, becomes the inside front of the package to which the pharmacist's label can be adhered to. The patient compliance packaging is produced by printing, in register, the top of the top data with the proper dosage regimen and or arrows to indicate the dosage sequence and week or weeks of treatment.
The main purpose of this invention is to design a dispensing sequence which is very difficult for a child to learn and do to dispense even only one very toxic tablet, while at the same time making.
The present invention contemplates the use of at least two-aperture cut through the peelable sheet and the blister sheet for reasons, which will become apparent hereinafter.
The number of apertures will depend on the number of unit doses or pockets; in one embodiment, each pocket is at least partially separated from an adjacent pocket by two apertures, again for reasons will become apparent hereinafter.
-4-The laminate is glued to an outer back layer; the outer back layer being designated as that layer which lies adjacent to the peelable film in register with the blister cavities forming capsule-receiving pockets. The extension of the back layer becomes the spines and fron panel of the data layer.
In particular, the outer back layer is adapted to adhere to the peelable film with a strength sufficient that the first outer back layer cannot readily be peeled from the film, but rather a patterned delamination of the outer back layer will occur and second outer back layer must be lifted and torn back to the crease to expose the lead tip of the peelable lidding.
The tab member may be of any conventional shape, but in a preferred aspect of the invention, it is of a rectangular configuration for reasons to be discussed hereinbelow. The outer back layer has formed there at least two removable panels. The two panels are defined by a plurality of die cuts and perforations in a conventional manner. These panels are co-extensive with the portion of the outer back layer, which overlies at least one of the capsules receiving pockets.
In operation of the first embodiment, the first removable panel is removed to allow one to lift and tear the second panel back to the crease, which exposes the lead edge of the peelable foil/paper layer of the laminate. The individual product may then be removed in a conventional manner by peeling the foil/paper off the laminate and exposing the product to be removed.
The first tab member, as will be discussed in the preferred embodiments, requires a tearing force applied thereto before it can readily be detached to remove the first removable panel and when the first tab is removed, the child still cannot peel the lidding foil because the peelable lidding foil lead is not exposed, therefore the lidding cannot be removed. A
In particular, the outer back layer is adapted to adhere to the peelable film with a strength sufficient that the first outer back layer cannot readily be peeled from the film, but rather a patterned delamination of the outer back layer will occur and second outer back layer must be lifted and torn back to the crease to expose the lead tip of the peelable lidding.
The tab member may be of any conventional shape, but in a preferred aspect of the invention, it is of a rectangular configuration for reasons to be discussed hereinbelow. The outer back layer has formed there at least two removable panels. The two panels are defined by a plurality of die cuts and perforations in a conventional manner. These panels are co-extensive with the portion of the outer back layer, which overlies at least one of the capsules receiving pockets.
In operation of the first embodiment, the first removable panel is removed to allow one to lift and tear the second panel back to the crease, which exposes the lead edge of the peelable foil/paper layer of the laminate. The individual product may then be removed in a conventional manner by peeling the foil/paper off the laminate and exposing the product to be removed.
The first tab member, as will be discussed in the preferred embodiments, requires a tearing force applied thereto before it can readily be detached to remove the first removable panel and when the first tab is removed, the child still cannot peel the lidding foil because the peelable lidding foil lead is not exposed, therefore the lidding cannot be removed. A
-5-second tab must be torn back to expose the leading edge of the lidding foil.
This provides a further safeguard against a small child accidentally gaining access to the contents of the package, while allowing a senior to easily grasp the tab of the removable panel and remove it.
Naturally, the package can take many different forms and styles such as calendar packs, etc., as shown the following figures, using various indicia and the likes as is conventional in the art.
BRIEF DESCRIPTION OF THE DRAWINGS
Having thus generally described the invention, reference will be made to the accompanying drawings illustrating embodiment thereof, in which:
Figure 1 is a top view of the Tri-Peel pack showing the data layer panel A1, the diecut apertures of the area where the product in the blister protrudes through the diecut apertures A2, the vacuum formed blister sheet B 1, the blister cavity B2, the product B3, the laminated 40 lbs. of tissue paper/1 mil foil C 1, the position of the diecut in the paper/foil laminate C2, the outer CR panel D 1, the position of the first pull tab D2, the position of the second pull tab D3;
Figure 2 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister blued or sealed to the inside of the top data layer A I. The design also shows the unsealed area of the lead area of the first tab D2 being peeled. This first tab D2 is completely removed. When this first tab D2 is removed, it exposes the two cut lines C2 on the peelable paper/foil C 1, but the unsealed lead area C3 of the peelable paper/foil is not exposed and therefore cannot be accessed and removed;
This provides a further safeguard against a small child accidentally gaining access to the contents of the package, while allowing a senior to easily grasp the tab of the removable panel and remove it.
Naturally, the package can take many different forms and styles such as calendar packs, etc., as shown the following figures, using various indicia and the likes as is conventional in the art.
BRIEF DESCRIPTION OF THE DRAWINGS
Having thus generally described the invention, reference will be made to the accompanying drawings illustrating embodiment thereof, in which:
Figure 1 is a top view of the Tri-Peel pack showing the data layer panel A1, the diecut apertures of the area where the product in the blister protrudes through the diecut apertures A2, the vacuum formed blister sheet B 1, the blister cavity B2, the product B3, the laminated 40 lbs. of tissue paper/1 mil foil C 1, the position of the diecut in the paper/foil laminate C2, the outer CR panel D 1, the position of the first pull tab D2, the position of the second pull tab D3;
Figure 2 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister blued or sealed to the inside of the top data layer A I. The design also shows the unsealed area of the lead area of the first tab D2 being peeled. This first tab D2 is completely removed. When this first tab D2 is removed, it exposes the two cut lines C2 on the peelable paper/foil C 1, but the unsealed lead area C3 of the peelable paper/foil is not exposed and therefore cannot be accessed and removed;
-6-Figure 3 is a top view of the back panel layer D 1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister with the blister B 1 glued or sealed to the inside of the top data layer A1. The design also shows first tab D2 completely peeled off and shows the second tab D3 being torn back and partially peeled off. This second tab D3 can be completely removed or can be folded back to expose the lead edge C3 of the peelable paper/foil C I. The unsealed lead area C3 of the peelable paper/foil along with the side cuts C2 in the paper/foil is now exposed and therefore can be accessed and removed;
Figure 4 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister blued or sealed to the inside of the top data layer A I. The design also shows first tab D2 completely peeled off and shows the second tab D3 completely peeled off exposing the diecut lead edge C3 of the peelable paper/foil C3 as well as exposes the two cut lines C2 on the peelable paper/foil C 1 is now exposed and therefore can be accessed and removed;
Figure 5 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister glued or sealed to the inside of the top data layer A1. The design also shows first tab D2 completely peeled off and shows the second tab D3 completely peeled off exposing the diecut lead edge C3 of the peelable paper/foil C 1. The unsealed lead area of the peelable paper/foil C 1 is now exposed. The design also shows the lead area C3 of the unsealed area of the foil C 1 lifted and partially removed;
Figure 6 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister glued or sealed to the inside of the top data layer A I. The design also shows first tab D2 completely peeled
Figure 4 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister blued or sealed to the inside of the top data layer A I. The design also shows first tab D2 completely peeled off and shows the second tab D3 completely peeled off exposing the diecut lead edge C3 of the peelable paper/foil C3 as well as exposes the two cut lines C2 on the peelable paper/foil C 1 is now exposed and therefore can be accessed and removed;
Figure 5 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister glued or sealed to the inside of the top data layer A1. The design also shows first tab D2 completely peeled off and shows the second tab D3 completely peeled off exposing the diecut lead edge C3 of the peelable paper/foil C 1. The unsealed lead area of the peelable paper/foil C 1 is now exposed. The design also shows the lead area C3 of the unsealed area of the foil C 1 lifted and partially removed;
Figure 6 is a top view of the back panel layer D1, which is sealed or glued to the paper side of the foil C 1 and the foil sealed to the blister B 1 with the blister glued or sealed to the inside of the top data layer A I. The design also shows first tab D2 completely peeled
-7-off and shows the second tab D3 completely peeled off exposing the diecut lead edge of the peelable paper/foil C 1 as well as exposes the two cut lines C2 on the peelable paper/foil C 1.
The unsealed lead area of the peelable paper/foil C 1 is now exposed. The design also shows the lead area C3 of the unsealed area of the paper/foil C 1 lifted and partially removed exposing 60% of the capsule E1 in the cavity B2;
Figure 7 is a top view of the back panel layer D 1, which is sealed or glued to the paper side of the foil c I and the foil sealed to the blister B 1 with the blister glued or sealed to the inside of the top data layer A I. The design also shows first tab D2 completely peeled off and shows the second tab D3 completely removed as well as shows the peelable paper/foil layer C4 completely removed exposing the whole capsule E1 in the cavity B2.
The capsule E 1 can now be taken.
The above packages provide tamper-evident child resistant/senior friendly, patient compliant advantages while at the same time, is easily openable. The features of the method of diecutting, the first panel D2 and second panel D3 as well as the diecutting of the peelable paper/foil C2 and C4 prevent access by the young child to the package but at the same time, is senior use effective.
It will be understood that the above described embodiments are for purposes of illustration only and changes and modifications may be made thereto without departing from the spirit and scope of the invention.
The unsealed lead area of the peelable paper/foil C 1 is now exposed. The design also shows the lead area C3 of the unsealed area of the paper/foil C 1 lifted and partially removed exposing 60% of the capsule E1 in the cavity B2;
Figure 7 is a top view of the back panel layer D 1, which is sealed or glued to the paper side of the foil c I and the foil sealed to the blister B 1 with the blister glued or sealed to the inside of the top data layer A I. The design also shows first tab D2 completely peeled off and shows the second tab D3 completely removed as well as shows the peelable paper/foil layer C4 completely removed exposing the whole capsule E1 in the cavity B2.
The capsule E 1 can now be taken.
The above packages provide tamper-evident child resistant/senior friendly, patient compliant advantages while at the same time, is easily openable. The features of the method of diecutting, the first panel D2 and second panel D3 as well as the diecutting of the peelable paper/foil C2 and C4 prevent access by the young child to the package but at the same time, is senior use effective.
It will be understood that the above described embodiments are for purposes of illustration only and changes and modifications may be made thereto without departing from the spirit and scope of the invention.
-8-
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2540567 CA2540567A1 (en) | 2006-03-21 | 2006-03-21 | Tri-peel pack for dispensing medicants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2540567 CA2540567A1 (en) | 2006-03-21 | 2006-03-21 | Tri-peel pack for dispensing medicants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2540567A1 true CA2540567A1 (en) | 2007-09-21 |
Family
ID=38520909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2540567 Abandoned CA2540567A1 (en) | 2006-03-21 | 2006-03-21 | Tri-peel pack for dispensing medicants |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2540567A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2575014A (en) * | 2018-05-22 | 2020-01-01 | Suretech Adhesive Tapes Ltd | Laminated sheet material |
-
2006
- 2006-03-21 CA CA 2540567 patent/CA2540567A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2575014A (en) * | 2018-05-22 | 2020-01-01 | Suretech Adhesive Tapes Ltd | Laminated sheet material |
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| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |