US20050276942A1 - Packaging for freezer pops containing at least one active agent - Google Patents
Packaging for freezer pops containing at least one active agent Download PDFInfo
- Publication number
- US20050276942A1 US20050276942A1 US10/868,102 US86810204A US2005276942A1 US 20050276942 A1 US20050276942 A1 US 20050276942A1 US 86810204 A US86810204 A US 86810204A US 2005276942 A1 US2005276942 A1 US 2005276942A1
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- United States
- Prior art keywords
- packaging
- sealable
- layer
- moisture
- freezer
- Prior art date
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- Abandoned
Links
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- 239000013543 active substance Substances 0.000 title description 25
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
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- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims description 3
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 229920006254 polymer film Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 2
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- YQSHYGCCYVPRDI-UHFFFAOYSA-N (4-propan-2-ylphenyl)methanamine Chemical compound CC(C)C1=CC=C(CN)C=C1 YQSHYGCCYVPRDI-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- 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
- B65D75/00—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
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- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
- B65D85/78—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for ice-cream
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- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B32B2307/00—Properties of the layers or laminate
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- B32B2307/7246—Water vapor barrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
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- B32B2307/726—Permeability to liquids, absorption
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- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
Definitions
- the present invention relates to packaging for active agent-containing freezer pops, and more particularly to a moisture barrier-containing packaging for freezer pops containing an active agent which needs protection against moisture loss, such as a pharmaceutical, which substantially reduces or eliminates moisture loss in the packaged product.
- Frozen ice products including “snowballs”, Italian ices, freezer pops and frozen fruit juices have long been popular treats among consumers especially during the warmer weather months. Frozen ice products of this type can be carried on sticks, in plastic tubes, or in wax coated paper containers. No utensils or plates are necessary.
- One popular frozen ice product in particular is the freezer pop, which has been a staple of summer treats for many years. The freezer pop can be purchased and consumed in either as a chilled liquid or as a frozen product. The freezer pop is simple and convenient to store and distribute, and less messy to consume than other kinds of frozen ice products.
- the conventional freezer pop is generally packaged in a substantially tubular pouch formed from two plastic laminate films adhesively joined and sealed along the common edges thereof.
- the sealed plastic laminate films in combination, define a central cavity for enclosing a freezable liquid.
- the freezable liquid typically contains a flavoring agent, a coloring agent and/or a sweetener.
- Freezer pop formulations are described in published European Patent Application EP 1 287 747 A2 published Mar. 5, 2003, incorporated herein by reference.
- a freezable liquid is cooled to temperatures sufficiently low to freeze the liquid as the freezer pop takes the shape of the central cavity.
- the freezer pop can be dispensed from the packaging by first cutting off the top end of the pouch to form an opening. The consumer simply presses the bottom end of the pouch to slide the freezer pop out through the opening.
- the freezer pop can be consumed in the liquid form by simply drawing the freezable liquid through the opening in the packaging.
- freezer pops are seasonal products and are usually kept in the freezer or on the shelves for relatively short periods of time at a time, extended shelf life is not required for such products.
- the packaging film used for conventional freezer pops is fairly pervious to moisture, which can result in significant moisture loss over an extended period of time. The amount of moisture loss can reach 20% to 30% or more.
- conventional freezer pops are not adversely affected by long-term moisture loss. Therefore, the packaging used in freezer pops is generally designed for storage over a relatively short period of time.
- active agents including, pharmaceuticals, medicaments and nutritional agents and the like have been added to freezer pop formulations to provide a unique vehicle for dosing various active agents to patients including children.
- packaging used to house freezer pops containing such active agents has been found to be inadequate. This is because conventional packaging allows excessive moisture loss over an extended period of time, and current laws regulating typical active agents such as pharmaceuticals generally require a shelf life of two years. The amount of moisture loss typically encountered in current packaging is considered unacceptable for freezer pops which contain controlled amounts and concentrations of active agents. Such moisture loss can adversely affect the taste, ingredient balance, consistency, quality perception, and efficacy of the product.
- a packaging for storing a freezable liquid containing an active agent which greatly enhances the shelf life and quality of the product. It would be further desirable to develop a packaging for freezer pops, which significantly reduces or eliminates undesirable moisture loss that would otherwise adversely affect the taste, quality, ingredient balance, and efficacy of the product.
- the present invention relates generally to packaging for storing a freezable liquid containing an active agent so that the active agent may be administered through a freezer pop.
- the packaging of the present invention includes an arrangement of film layers including a moisture barrier, which substantially reduces or eliminates undesirable moisture loss, thereby enhancing the quality and storage life of the freezable liquid.
- the packaging of the present invention is designed to resist tears and punctures for enhanced child-proof safety.
- a packaging in the form of a freezer pop for storing a freezable liquid comprising:
- FIG. 1 is a perspective view of a packaging containing a freezable liquid in one embodiment of the of the present invention
- FIG. 2 is an enlarged cross sectional view of the packaging along lines 2 - 2 of FIG. 1 in accordance with the present invention.
- FIG. 3 is a schematic cross-sectional view of a packaging illustrating the layers used to form the sealed chamber in accordance with one embodiment of the present invention.
- the term “freezer pop” refers to a consumable freezable liquid contained within a sealed chamber which may be opened by the consumer to ingest the freezable liquid when in liquid or frozen form.
- the size and shape of the sealed chamber may vary and is only limited by the practicality of producing a consumer product.
- active agent refers to any one or more ingredients which may be incorporated into a freezer pop to provide a beneficial effect to the consumer upon ingesting the freezer pop.
- the active agent will typically be a therapeutic agent such as pharmaceuticals, medicaments, nutritional agents, vitamins, neutraceuticals and the like.
- the present invention is directed generally to packaging for a freezer pop containing one or more active agents as defined herein.
- the packaging containing the freezer pop can be placed in a freezer to freeze the liquid.
- the packaging of the present invention is also designed to provide sufficient tear and puncture resistance to provide adequate child safety features, while withstanding the effects normally encountered with freezing and thawing the freezable liquid.
- the packaging of the present invention includes a moisture barrier that significantly reduces or eliminates moisture loss from the freezable liquid, which would otherwise adversely affect the quality and storage life of the freezer pop and the active agent that may be contained therein. Accordingly, the packaging of the present invention provides excellent protection against moisture loss, thereby maintaining the taste, quality, ingredient balance and efficacy of the freezable liquid and particularly any active agents contained therein.
- FIG. 1 there is shown a packaging designed for enclosing a freezable liquid in the form of a freezer pop which may contain an active agent.
- the packaging identified generally by reference numeral 10 is shown having a substantially tubular body 12 with opposing ends 11 .
- the tubular body 12 is formed from first and second films 14 and 16 positioned coextensively with one another.
- the first and second films 14 and 16 are each formed with a laminate construction of one or more layers of select materials as will be described hereinafter.
- the inner surfaces of the first and second films 14 and 16 are adapted to facilitate sealing of the films together through suitable sealing means along edge portions 18 thereof.
- the sealed first and second films 14 and 16 define a sealed chamber 20 (as best shown in FIG. 2 ) extending longitudinally through the tubular body 12 .
- the sealed chamber 20 is adapted to retain a quantity of the freezable liquid 22 which may contain one or more active agents (as best shown in FIG. 2 ) within the packaging 10 .
- the first and second films 14 and 16 are made of select materials and are fabricated to resist tears and punctures, and withstand the effects normally associated with freezing and thawing of the freezable liquid 22 .
- the packaging 10 containing the freezable liquid 22 including one or more active agents may be placed in a freezer for a sufficient time to yield a freezer pop containing the active agent.
- the freezer pop can be consumed by first opening one of the ends 11 of the tubular body 12 , and thereafter exerting pressure from the opposed end to urge the frozen liquid out of the open end.
- the first and second films 14 and 16 are positioned so that opposing inner surfaces 23 a and 23 b face one another and thereby form an inner boundary of the sealed chamber 20 which encloses the freezable liquid 22 .
- the edge portions 18 are maintained in sealing contact with one another at contact areas 19 through suitable sealing means as known in the art (e.g. an adhesive or through heat sealing).
- suitable sealing means as known in the art (e.g. an adhesive or through heat sealing).
- the outer surfaces 25 a and 25 b of the respective films 14 and 16 which form the exterior surface of the freezer pop and thereby do not contact the freezable liquid may be adapted to permit printing thereon.
- the printing for example, may be required instructions for consuming a freezer pop, which contains an active agent.
- the first and second films 14 and 16 may be transparent to enable the product to be visible to the consumer, if desired.
- FIG. 3 there is shown the relative positioning of the first and second films 14 and 16 of the packaging 10 with the understanding that the dimensions of the different layers comprising first and second films 14 and 16 depicted herein are not drawn to scale or shown in proportion to one another.
- the first and second films 14 and 16 each include one or more discrete layers of polymer materials arranged to form the sealed chamber 20 , which is occupied by the freezable liquid 22 .
- the first and second films 14 and 16 each include at least one adhesive layer 24 (a single layer is shown) in contact with the freezable liquid 22 , one or more intermediate layers 26 (a single intermediate layer is shown) overlaying the adhesive layer 24 , and at least one outer layer 28 (a single outer layer is shown) overlaying the intermediate layer 26 .
- the adhesive layers 24 form the base portion of the laminate film construction of the first and second films 14 and 16 and are the layers which are in direct contact with the freezable liquid through the respective bottom surfaces thereof.
- the adhesive layers 24 are sealingly engaged to one another along the edge portions 18 of the first and second films 14 and 16 .
- the adhesive layer 24 may be composed of a suitable adhesive material, including, but not limited to, pressure sealable and/or heat sealable materials such as, for example, low-density polyethylene-linear low-density polyethylene (LDPE-LLDPE).
- LDPE-LLDPE low-density polyethylene-linear low-density polyethylene
- the thickness of the adhesive layer 24 may typically range from about 100 gauge to 400 gauge.
- the selection of a suitable adhesive material may also provide tear and puncture resistant properties to the packaging. For example, LLDPE is known to exhibit both tear and puncture resistance.
- One or more intermediate layers 26 overlay the outer surface of the adhesive layer 24 .
- the intermediate layer 26 draws the adhesive layer 24 and the at least one outer layer 28 together into a single laminate structure, and forms a transition layer to provide a structural bond between the adhesive layer 24 and the outer layer 28 which contributes to providing a desirable childproof product which is both tear and puncture resistant.
- the intermediate layer 26 is typically composed of material such as low-density polyethylene (LDPE) and has a thickness generally from about 9 to 12 lbs/m 2 , preferably about 10.8 lbs/m 2 .
- LDPE low-density polyethylene
- the at least one outer layer 28 forms the main structure of the laminate film 14 and 16 , and overlays the outside surface of the intermediate layer 26 .
- the outer layer 28 provides the laminate films 14 and 16 with the structural integrity necessary to provide the packaging 10 with the requisite tear and puncture resistance.
- the outer layer 28 provides the packaging with tear and puncture resistance sufficient to prevent children from accidentally gaining access to the freezable liquid. Tear and puncture resistance properties for this purpose would be known to those skilled in the art.
- the outer layer 28 is composed of a tear- and puncture-resistant material such as, for example, polyethylene terephthalate (PET), oriented polypropylene (OPP), and biaxial nylon.
- PET polyethylene terephthalate
- OPP oriented polypropylene
- the thickness of the at least one outer layer 28 is typically of from about 36 gauge to 200 gauge, and preferably about 92 gauge.
- the packaging 10 further includes at least one moisture barrier layer 30 , which may be located between the intermediate layer 26 and the outer layer 28 and/or may overlay the outside surface of the outer layer 28 .
- the moisture layer 30 is positioned in both locations for purposes of illustration.
- the moisture barrier layer 30 is selected from materials which are capable of providing sufficient moisture barrier properties to the packaging 10 so as to reduce moisture loss from the freezable liquid 22 for an extended period of time, typically up to or exceeding two years.
- the moisture barrier layer 30 provides the packaging with a water transmission rate of less than 0.25 gms/100 inch 2 /24 hours at 100° F., 90% RH.
- the moisture barrier layer 30 may be selected from low moisture transmission materials including, for example, low moisture transmission polymer films such as, for example, polyvinylidene chloride (PVDC), and polychlorotrifluoroethylene (PCTFE), coatings of silicon oxide and/or aluminum oxide and metal foils such as, for example, aluminum foil.
- low moisture transmission material is polyvinylidene chloride (PVDC).
- PVDC polyvinylidene chloride
- PCTFE polychlorotrifluoroethylene
- the preferred low moisture transmission material is polyvinylidene chloride (PVDC).
- PVDC polyvinylidene chloride
- the moisture barrier layer is typically fabricated with a thickness of up to 2 gauge.
- the packaging of the present invention is particularly suited to store freezable liquids containing one or more active agents, but may be employed for freezable liquids which do not contain an active agent.
- Suitable freezable liquid formulations in which an active agent may be added are disclosed in EP 1287747A2, as previously described.
- the frozen liquid in the form of a freezer pop is preferably fast dissolving.
- fast dissolving means that the frozen liquid dissolves in less than 30 seconds, preferably less than 15 seconds, and more preferably less than 10 seconds, after placing the freezer pop in the oral cavity.
- the packaging containing the freezable liquid is placed in a freezer at a temperature below 0° C., preferably from ⁇ 5° C. to ⁇ 20° C.
- a packaging for a freezer pop formulation containing dextromethorphan hydrobromide as an active agent is prepared by forming a packaging comprising two films sealed together to form a chamber for storing the freezer pop formulation.
- the two films have the same or similar construction to that shown in FIG. 3 .
- the adhesive layer is a low-density polyethylene-linear low-density polyethylene (LDPE-LLDPE) having a thickness of about 200 gauge.
- the intermediate layer is a low-density polyethylene (LDPE) having a thickness of about 10.8 lbs/m 2 .
- the outer layer is polyethylene terphthalate coated with saran and has a thickness of about 50 gauge.
- a moisture barrier layer of polyvinylidene chloride is provided on the outer surface of the outer layer and has a thickness of up to 2 gauge.
- the freezer pop formulation is stored in a holding tank and then passed through a plate heat exchanger for pasteurization.
- the pasteurized formulation is sent to a stainless steel feed tank.
- the formulation is loaded into the packaging in a conventional filling device.
- Such filling devices are commonly known in the art. It is preferred to use a device which is serviced by volumetric pumps. In the present instance the device is comprised of sets of eight bars on a single head feed line.
- the filing line is serviced by eight volumetric pumps—one for each filling line.
- the 8-bar set is vertically perforated so that an individual bars may be separated from the rest of the bars for administration.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Wrappers (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Abstract
Description
- The present invention relates to packaging for active agent-containing freezer pops, and more particularly to a moisture barrier-containing packaging for freezer pops containing an active agent which needs protection against moisture loss, such as a pharmaceutical, which substantially reduces or eliminates moisture loss in the packaged product.
- Frozen ice products including “snowballs”, Italian ices, freezer pops and frozen fruit juices have long been popular treats among consumers especially during the warmer weather months. Frozen ice products of this type can be carried on sticks, in plastic tubes, or in wax coated paper containers. No utensils or plates are necessary. One popular frozen ice product in particular is the freezer pop, which has been a staple of summer treats for many years. The freezer pop can be purchased and consumed in either as a chilled liquid or as a frozen product. The freezer pop is simple and convenient to store and distribute, and less messy to consume than other kinds of frozen ice products.
- The conventional freezer pop is generally packaged in a substantially tubular pouch formed from two plastic laminate films adhesively joined and sealed along the common edges thereof. The sealed plastic laminate films, in combination, define a central cavity for enclosing a freezable liquid. The freezable liquid typically contains a flavoring agent, a coloring agent and/or a sweetener. Freezer pop formulations are described in published European Patent Application EP 1 287 747 A2 published Mar. 5, 2003, incorporated herein by reference. To form the freezer pop, a freezable liquid is cooled to temperatures sufficiently low to freeze the liquid as the freezer pop takes the shape of the central cavity. Thereafter, the freezer pop can be dispensed from the packaging by first cutting off the top end of the pouch to form an opening. The consumer simply presses the bottom end of the pouch to slide the freezer pop out through the opening. Alternatively, the freezer pop can be consumed in the liquid form by simply drawing the freezable liquid through the opening in the packaging.
- Since freezer pops are seasonal products and are usually kept in the freezer or on the shelves for relatively short periods of time at a time, extended shelf life is not required for such products. Typically, the packaging film used for conventional freezer pops is fairly pervious to moisture, which can result in significant moisture loss over an extended period of time. The amount of moisture loss can reach 20% to 30% or more. As indicated above, due to their seasonal nature, conventional freezer pops are not adversely affected by long-term moisture loss. Therefore, the packaging used in freezer pops is generally designed for storage over a relatively short period of time.
- Recently, active agents including, pharmaceuticals, medicaments and nutritional agents and the like have been added to freezer pop formulations to provide a unique vehicle for dosing various active agents to patients including children. However, the packaging used to house freezer pops containing such active agents has been found to be inadequate. This is because conventional packaging allows excessive moisture loss over an extended period of time, and current laws regulating typical active agents such as pharmaceuticals generally require a shelf life of two years. The amount of moisture loss typically encountered in current packaging is considered unacceptable for freezer pops which contain controlled amounts and concentrations of active agents. Such moisture loss can adversely affect the taste, ingredient balance, consistency, quality perception, and efficacy of the product.
- Accordingly, it would be desirable to develop a packaging for storing a freezable liquid containing an active agent, which greatly enhances the shelf life and quality of the product. It would be further desirable to develop a packaging for freezer pops, which significantly reduces or eliminates undesirable moisture loss that would otherwise adversely affect the taste, quality, ingredient balance, and efficacy of the product.
- The present invention relates generally to packaging for storing a freezable liquid containing an active agent so that the active agent may be administered through a freezer pop. The packaging of the present invention includes an arrangement of film layers including a moisture barrier, which substantially reduces or eliminates undesirable moisture loss, thereby enhancing the quality and storage life of the freezable liquid. In addition, the packaging of the present invention is designed to resist tears and punctures for enhanced child-proof safety.
- In one aspect of the present invention, there is provided a packaging in the form of a freezer pop for storing a freezable liquid, the packaging comprising:
-
- a sealed chamber for storing the freezable liquid formed from at least one inner layer having a sealable edge portion comprised of a sealable material and sealed at the edge portion;
- at least one outer layer comprised of a tear and puncture resistant material having an outside surface;
- at least one intermediate layer which is in sealable contact with both the at least one inner and outer layers, such that all layers are sealable together to form the sealed chamber; and
- at least one moisture barrier layer in proximity to the outer layer for at least substantially preventing moisture from escaping the sealed chamber for an extended period of time.
- The following drawings in which like reference characters indicate like parts are illustrative of embodiments of the invention and are not intended to limit the invention as encompassed by the claims forming part of the application.
-
FIG. 1 is a perspective view of a packaging containing a freezable liquid in one embodiment of the of the present invention; -
FIG. 2 is an enlarged cross sectional view of the packaging along lines 2-2 ofFIG. 1 in accordance with the present invention; and -
FIG. 3 is a schematic cross-sectional view of a packaging illustrating the layers used to form the sealed chamber in accordance with one embodiment of the present invention. - As used herein, the term “freezer pop” refers to a consumable freezable liquid contained within a sealed chamber which may be opened by the consumer to ingest the freezable liquid when in liquid or frozen form. The size and shape of the sealed chamber may vary and is only limited by the practicality of producing a consumer product.
- The term “active agent” refers to any one or more ingredients which may be incorporated into a freezer pop to provide a beneficial effect to the consumer upon ingesting the freezer pop. The active agent will typically be a therapeutic agent such as pharmaceuticals, medicaments, nutritional agents, vitamins, neutraceuticals and the like.
- The present invention is directed generally to packaging for a freezer pop containing one or more active agents as defined herein. The packaging containing the freezer pop, can be placed in a freezer to freeze the liquid. The packaging of the present invention is also designed to provide sufficient tear and puncture resistance to provide adequate child safety features, while withstanding the effects normally encountered with freezing and thawing the freezable liquid. Furthermore, the packaging of the present invention includes a moisture barrier that significantly reduces or eliminates moisture loss from the freezable liquid, which would otherwise adversely affect the quality and storage life of the freezer pop and the active agent that may be contained therein. Accordingly, the packaging of the present invention provides excellent protection against moisture loss, thereby maintaining the taste, quality, ingredient balance and efficacy of the freezable liquid and particularly any active agents contained therein.
- Referring to the drawings and first to
FIG. 1 , there is shown a packaging designed for enclosing a freezable liquid in the form of a freezer pop which may contain an active agent. The packaging identified generally byreference numeral 10 is shown having a substantiallytubular body 12 withopposing ends 11. Thetubular body 12 is formed from first andsecond films second films second films edge portions 18 thereof. The sealed first andsecond films FIG. 2 ) extending longitudinally through thetubular body 12. - The sealed
chamber 20 is adapted to retain a quantity of thefreezable liquid 22 which may contain one or more active agents (as best shown inFIG. 2 ) within thepackaging 10. The first andsecond films freezable liquid 22. - The
packaging 10 containing thefreezable liquid 22 including one or more active agents may be placed in a freezer for a sufficient time to yield a freezer pop containing the active agent. Upon freezing, the freezer pop can be consumed by first opening one of theends 11 of thetubular body 12, and thereafter exerting pressure from the opposed end to urge the frozen liquid out of the open end. - Referring to
FIG. 2 , the first andsecond films inner surfaces chamber 20 which encloses thefreezable liquid 22. Theedge portions 18 are maintained in sealing contact with one another atcontact areas 19 through suitable sealing means as known in the art (e.g. an adhesive or through heat sealing). Theouter surfaces respective films second films - The arrangement and composition of the layers of material forming an embodiment of the packaging will now be explained with reference to
FIG. 3 . Referring toFIG. 3 , there is shown the relative positioning of the first andsecond films packaging 10 with the understanding that the dimensions of the different layers comprising first andsecond films second films chamber 20, which is occupied by thefreezable liquid 22. - The first and
second films freezable liquid 22, one or more intermediate layers 26 (a single intermediate layer is shown) overlaying theadhesive layer 24, and at least one outer layer 28 (a single outer layer is shown) overlaying theintermediate layer 26. - The adhesive layers 24 form the base portion of the laminate film construction of the first and
second films edge portions 18 of the first andsecond films adhesive layer 24 may be composed of a suitable adhesive material, including, but not limited to, pressure sealable and/or heat sealable materials such as, for example, low-density polyethylene-linear low-density polyethylene (LDPE-LLDPE). The thickness of theadhesive layer 24 may typically range from about 100 gauge to 400 gauge. The selection of a suitable adhesive material may also provide tear and puncture resistant properties to the packaging. For example, LLDPE is known to exhibit both tear and puncture resistance. - One or more
intermediate layers 26 overlay the outer surface of theadhesive layer 24. Theintermediate layer 26 draws theadhesive layer 24 and the at least oneouter layer 28 together into a single laminate structure, and forms a transition layer to provide a structural bond between theadhesive layer 24 and theouter layer 28 which contributes to providing a desirable childproof product which is both tear and puncture resistant. Theintermediate layer 26 is typically composed of material such as low-density polyethylene (LDPE) and has a thickness generally from about 9 to 12 lbs/m2, preferably about 10.8 lbs/m2. - The at least one
outer layer 28 forms the main structure of thelaminate film intermediate layer 26. Theouter layer 28 provides thelaminate films packaging 10 with the requisite tear and puncture resistance. Theouter layer 28 provides the packaging with tear and puncture resistance sufficient to prevent children from accidentally gaining access to the freezable liquid. Tear and puncture resistance properties for this purpose would be known to those skilled in the art. Theouter layer 28 is composed of a tear- and puncture-resistant material such as, for example, polyethylene terephthalate (PET), oriented polypropylene (OPP), and biaxial nylon. The thickness of the at least oneouter layer 28 is typically of from about 36 gauge to 200 gauge, and preferably about 92 gauge. - The
packaging 10 further includes at least onemoisture barrier layer 30, which may be located between theintermediate layer 26 and theouter layer 28 and/or may overlay the outside surface of theouter layer 28. In the specific embodiment ofFIG. 3 , themoisture layer 30 is positioned in both locations for purposes of illustration. Themoisture barrier layer 30 is selected from materials which are capable of providing sufficient moisture barrier properties to thepackaging 10 so as to reduce moisture loss from thefreezable liquid 22 for an extended period of time, typically up to or exceeding two years. Themoisture barrier layer 30 provides the packaging with a water transmission rate of less than 0.25 gms/100 inch2/24 hours at 100° F., 90% RH. - The
moisture barrier layer 30 may be selected from low moisture transmission materials including, for example, low moisture transmission polymer films such as, for example, polyvinylidene chloride (PVDC), and polychlorotrifluoroethylene (PCTFE), coatings of silicon oxide and/or aluminum oxide and metal foils such as, for example, aluminum foil. The preferred low moisture transmission material is polyvinylidene chloride (PVDC). The moisture barrier layer is typically fabricated with a thickness of up to 2 gauge. - The packaging of the present invention is particularly suited to store freezable liquids containing one or more active agents, but may be employed for freezable liquids which do not contain an active agent. Suitable freezable liquid formulations in which an active agent may be added are disclosed in EP 1287747A2, as previously described.
- The frozen liquid in the form of a freezer pop is preferably fast dissolving. The term “fast dissolving” as used herein means that the frozen liquid dissolves in less than 30 seconds, preferably less than 15 seconds, and more preferably less than 10 seconds, after placing the freezer pop in the oral cavity. To freeze the above-described freezable liquid, the packaging containing the freezable liquid is placed in a freezer at a temperature below 0° C., preferably from −5° C. to −20° C.
- A packaging for a freezer pop formulation containing dextromethorphan hydrobromide as an active agent is prepared by forming a packaging comprising two films sealed together to form a chamber for storing the freezer pop formulation.
- The two films have the same or similar construction to that shown in
FIG. 3 . The adhesive layer is a low-density polyethylene-linear low-density polyethylene (LDPE-LLDPE) having a thickness of about 200 gauge. The intermediate layer is a low-density polyethylene (LDPE) having a thickness of about 10.8 lbs/m2. The outer layer is polyethylene terphthalate coated with saran and has a thickness of about 50 gauge. - A moisture barrier layer of polyvinylidene chloride is provided on the outer surface of the outer layer and has a thickness of up to 2 gauge. The freezer pop formulation is stored in a holding tank and then passed through a plate heat exchanger for pasteurization. The pasteurized formulation is sent to a stainless steel feed tank. The formulation is loaded into the packaging in a conventional filling device. Such filling devices are commonly known in the art. It is preferred to use a device which is serviced by volumetric pumps. In the present instance the device is comprised of sets of eight bars on a single head feed line. The filing line is serviced by eight volumetric pumps—one for each filling line. The 8-bar set is vertically perforated so that an individual bars may be separated from the rest of the bars for administration.
Claims (13)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/868,102 US20050276942A1 (en) | 2004-06-15 | 2004-06-15 | Packaging for freezer pops containing at least one active agent |
BRPI0510187-5A BRPI0510187A (en) | 2004-06-15 | 2005-06-03 | pop-freezer package containing at least one active agent |
JP2007516071A JP2008502545A (en) | 2004-06-15 | 2005-06-03 | Freezer pop packaging containing at least one active agent |
EP05751689A EP1784343A2 (en) | 2004-06-15 | 2005-06-03 | Packaging for freezer pops containing at least one active agent |
AU2005253789A AU2005253789A1 (en) | 2004-06-15 | 2005-06-03 | Packaging for freezer pops containing at least one active agent |
CA002566207A CA2566207A1 (en) | 2004-06-15 | 2005-06-03 | Packaging for freezer pops containing at least one active agent |
PCT/IB2005/001879 WO2005122683A2 (en) | 2004-06-15 | 2005-06-03 | Packaging for freezer pops containing at least one active agent |
ZA200609006A ZA200609006B (en) | 2004-06-15 | 2006-09-30 | Packaging for freezer pops containing at least one active agent |
US11/643,186 US20070101751A1 (en) | 2004-06-15 | 2006-12-20 | Freezer pop containing at least one active agent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/868,102 US20050276942A1 (en) | 2004-06-15 | 2004-06-15 | Packaging for freezer pops containing at least one active agent |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/643,186 Continuation US20070101751A1 (en) | 2004-06-15 | 2006-12-20 | Freezer pop containing at least one active agent |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050276942A1 true US20050276942A1 (en) | 2005-12-15 |
Family
ID=35460883
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/868,102 Abandoned US20050276942A1 (en) | 2004-06-15 | 2004-06-15 | Packaging for freezer pops containing at least one active agent |
US11/643,186 Abandoned US20070101751A1 (en) | 2004-06-15 | 2006-12-20 | Freezer pop containing at least one active agent |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US11/643,186 Abandoned US20070101751A1 (en) | 2004-06-15 | 2006-12-20 | Freezer pop containing at least one active agent |
Country Status (8)
Country | Link |
---|---|
US (2) | US20050276942A1 (en) |
EP (1) | EP1784343A2 (en) |
JP (1) | JP2008502545A (en) |
AU (1) | AU2005253789A1 (en) |
BR (1) | BRPI0510187A (en) |
CA (1) | CA2566207A1 (en) |
WO (1) | WO2005122683A2 (en) |
ZA (1) | ZA200609006B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160145037A1 (en) * | 2014-11-26 | 2016-05-26 | The Procter & Gamble Company | Beverage Cartridge Containing Pharmaceutical Actives |
US11116720B2 (en) | 2018-08-29 | 2021-09-14 | Nanthealth, Inc. | Ice pop medicament delivery system and method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE500146T1 (en) * | 2006-07-14 | 2011-03-15 | Ecolab Inc | PACKAGING OF SOLID PRODUCTS |
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- 2005-06-03 BR BRPI0510187-5A patent/BRPI0510187A/en not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
WO2005122683A2 (en) | 2005-12-29 |
BRPI0510187A (en) | 2007-10-02 |
WO2005122683A3 (en) | 2007-01-25 |
CA2566207A1 (en) | 2005-12-29 |
EP1784343A2 (en) | 2007-05-16 |
US20070101751A1 (en) | 2007-05-10 |
WO2005122683A8 (en) | 2006-04-13 |
JP2008502545A (en) | 2008-01-31 |
AU2005253789A1 (en) | 2005-12-29 |
ZA200609006B (en) | 2010-04-28 |
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Legal Events
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Owner name: WARNER-LAMBERT COMPANY LLC, NEW JERSEY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SOMANI, JITENDRA;LEE, JOSEPH;REEL/FRAME:015476/0180 Effective date: 20040610 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |
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Owner name: MCNEIL-PPC, INC, NEW JERSEY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PFIZER INC;PFIZER PRODUCTS INC;PFIZER JAPAN INC;AND OTHERS;REEL/FRAME:019573/0631 Effective date: 20070216 |