GB2491416A - Oxygen scavenging package - Google Patents
Oxygen scavenging package Download PDFInfo
- Publication number
- GB2491416A GB2491416A GB1109380.4A GB201109380A GB2491416A GB 2491416 A GB2491416 A GB 2491416A GB 201109380 A GB201109380 A GB 201109380A GB 2491416 A GB2491416 A GB 2491416A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxygen
- absorbing device
- oxygen absorbing
- envelope
- active component
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
- A23L3/3427—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O in which an absorbent is placed or used
- A23L3/3436—Oxygen absorbent
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/42—Preservation of non-alcoholic beverages
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
- B65D51/244—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with oxygen absorbers
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
- B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
- B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
- B65D81/268—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants the absorber being enclosed in a small pack, e.g. bag, included in the package
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Packages (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
A device comprising packaging, in the form of an envelope fabricated from a composite material, impermeable to liquid water, but permeable to gases and containing any one of a number of fill material formulations currently available in commercial, oxygen 'scavenging' food packaging inclusions, which include, as the principal active component, the alternatives of either finely comminuted iron metal, ascorbic acid, calcium ascorbate, sodium ascorbate, sodium erythorbate or finely comminuted palladium metal, being designed to establish and maintain an oxygen free atmosphere within the headspace of bottles, sachets or cartons of aqueous liquid foods and beverages.
Description
AN ACTIVE. . OXYGEN SQ..!N. CAPS. . CLO$Vft. fflS.. PCK&GING icqpN SYSTg1Jç$IGNEo TO OPERATE 4tHE PRESENCE Of FREE
WATER
Introduction to the Invention
I. Field of the invention
2. This invention relates to an oxygen absorbing food packaging inclusion1 in the form of a water impermeable but water vapour and gas permeable envelope, containing waler vapour or hydrogen activated, finely particulate compounds.
3. This device has been designed as an active inclusion, for use, in the presence of free, aqueous liquids, within the caps or closures of retail drinks packaging, in order to establish and maintain a stable, oxygen free atmosphere within the headspace of the packaging concerned..
4. Description of the Related Art
5. In the case of beverages, such as beers and wines, soft drinks, fruit juices and some dairy based drinks, the presence of oxygen, even at very low levels, within the retail packaging, whether bottles, cans or cartons, can have a significant adverse affect on the quality of the product, to the point where It Is no longer acceptable.
6. The presence of oxygen can first be reduced by displacing with nitrogen any dissolved oxygen in the product concerned and then employing, at packing, a nitrogen back-flush to ensure the minimum level of oxygen within the head space.
7. This process, however, can not displace all of the oxygen and with containers other than glass, there is also the potential continuous migration of oxygen, by diffusion down a concentration gradient, from the surrounding ambient atmosphere! through the packaging, both into the head space and into the product itself.
8. The deployment of those oxygen absorber, or tscavenger packaging inclusions currently in the market place, could be effective in removing, very largely, the oxygen within the head space atmosphere and as a consequence, that dissolved in the product itself and thereafter in maintaining oxygen at low residual levels.
9. The above inclusions, however, are unable to be deployed in the presence of free aqueous liquids as their structure, in terms of the outer envelope, which retains the active oxygen absorbing fill material, is porous to liquid water.
10. The inundation in aq.ueous liquids! whether it be partial or temporary, of the active oxygen absorbing fill materials in question, will either severely reduce their efficacy or render them entirely ineffective.
11. Apart from the efficacy of the active oxygen absorbing fill materials under these conditions, there is also the issue of the tleaching of the chemical components of these materials into the product itself, especially under low ph condItions, which many of the aqueous liquid foods and beverages concerned provide.
I 2. Under these conditions, of those oxygen scavengers, currently commercially available and designed for deployment wtthin food products, the range of fill material formulations represented all present difficulties in meeting the permiffed maximum migration levels as detailed in EC Directive 971481EC, as required by current and forthcoming EU legislation and EFSA regulations.
13. The device has been designed to overcome this problem and accommodate those active, oxygen absorbing fill matenal formulations in question, by enabling them to perform effectively in the presence of free water, under conditions of partial or temporary inundation, without the possibility of components of the fill material formulation, or reaction products migrating into the food products concerned.
14. The device has been designed to function with the range of fill material formulations currently acting as high capacity oxygen absorbers in commercially available, active food packaging inclusion products, which include: -Fill Material Symbol/Formula * finely comminuted ferrous metal Fe * ascorbic acid C6H807 - * sodiffm ascorbaté * calcium ascorbate C*aC12H14O12 * sodium erythorbate NaC6H7O6 * finely comminuted palladium metal Pd 15. The above fill material formulations can be in either loose particulate or solid state' format, where, in the latter, the compounds are bound within In an inert matrix.
16. Of the range of fill material formulations currently acting as high capacity oxygen absorbers in commercially available, active food packaging products detailed above, all but the palladium metal (Pd) require water in order to react with oxygen and remove it from the atmosphere.
17. The Pd metal, on the other hand, in the presence of hydrogen acts as a catalyst, combining the former gas with oxygen, effectively removing the latter from the headspace in the form of water vapour, as the reaction product.
18. The Pd metal has the same general requirements of the device as do the other oxygen scavenging reactants detailed above, with the exception that, in this case, rather than allowing its inward diffusion, water vapour is instead required to diffuse freely out from within the envelope of the device, into the headspace of the packaging concerned, in order to prevent any build-up of pressure within the device, leading to the rupture and loss of integrity of the envelope.
I 9. To meet these requirements and allow the fill material formulations to perform optimalLy, the envelope of the device is designed to have a water vapour transmission rate (WVTR) and an oxygen transmssston rate (OTR) that are both high enough to avoid becoming limiting factors tn the oxygen absorbing performance of these fill materials.
20. This is achieved by employing a polymer membrane with both a relatively high W1R and a relatively high OTR as the liquid water impermeable layer within the device envelopeS 21 She polymer membrane selected is a polyamide (PA) film 8p 20p in thickness, which liquid water impermeable and has a WVTR in the range of. 1 Og-2OOg/m2/24hr23°C & 85%RH and an OTR in the range of 65Ocnh3-2OOOOcm3/m2J24hribar©23°C.
22. The gauge of PA film, within the range 8p 2Oi, selected for inclusion in the laminate is determined by the VV\JTR and 0Th required by the performance demands of the fill material imposed by the packed product in question and will vary from product to product.
23The specific selection of PA as the membrane polymer is determined by its unique property of having the combination of both relatively high WVTR and OTR performances that are capable of meeting the requirements for the activation and sustained reaction of the fill matenal form ulat:ons li!ted - 24. Other polymers including polyethylene (PE), alone or in combination, are unable to provide the performance requirements detailed above.
25. At the gauges selected, the PA film is relatively fragile and in order to maintain its integrity and thus avoid perforation, it is protected and supported by a layer of a non woven polyethylene (PE) fabric, typically at a density of 45 Og/m2 -55 Og/m2, which for preference would be a Tyvek material. This material is not an effective barrier to water vapour, oxygen or hydrogen.
26. The membrane film and the supporting fabric, are bonded together with a polyurethane adhesive, or a material of equivalent properties and performance, the composition and thickness of which will have a negligible effect on either the WVTR or OTR of membrane layer or the laminate in general.
27. The WVTR may be measured by employing a commercially available water permeation analyser such as the MOCON PERMATRAN-W Model 3133, which is designed to test this property of packaging films and has integral automatic relative humidity generation The machine measures according to the ASTM standard F 1249.
28. The OW may be measured by employing a commercially available oxygen transmission rate analyser, such as the MOCON OX-ThAN Model 1/50, which is designed to test this property of packaging films. The machine measures according to the ASTM standard F-1927.
29. The hydrogen transmission rate of the membrane film, as hydrogen has comparatively a very small molecule, will be significantly greater than that of oxygen through this polymer, exceeding the latter rate by a factor greater than 2, thus adequately exceeding the minimum requirements to provide 2 molecules of hydrogen for 1 of oxygen in the Pd catalyzed reaction.
30. The manufacture of the device, for deployment as an inclusion within caps and closures of aqueous liquid food or beverage packaging, employs existing technology in the form of a modified lamination process, in which the several components, in web form, are bought together and bonded to produce a single material.
31. During the manufacturing process, the selected fill material formulation, at a predetermined volume or weight, is index-deposited on a wadding fabnc based on polypropylene (PP), polyester and cellulose with an acrylate-based binding aid, or a material combination of similar properties and performance, which is then over-layered with either a (PP) or an amorphous polyethylene terephthalate (APET) 30p film as the backing sheet and the PA film/non-woven PE fabric laminate as the coverface.
32. In the application of the coverface laminate, the interior/edernal relationship between the PA film and the non-woven PE fabric is interchangeable.
33. To complete the manufacture of the device! the compound laminate materIal produced is then sealed, along the edge of a pre-determined contour, by the alternatives of, beat -bonding, ulttaOñic weldinti or dielectric Welding and thén die-cut, iii an indexed operation, to produce the inclusion shapes and sizes required, although the latter will generally be circular.
34. In this format the device is intended to be fitted within the caps or closures of bottles sachets or cartons of aqueous liquid foods or beverages and perform as an integral part of a leak-proof seal.
35. In an alternative construction of the device, the PA film/non-woven PE fabric laminate material is thermoforrned as a shallow concave rectangular or discoid cavity, into which the fill material is deposited and then lidded with a gas impermeable membrane of APET, or a material of equivalent properties and performance, and sealed by one of the alternatives of heat bonding, ultrasonic welding or dielectric welding 36. In the above format of the device, the impermeable membrane of APET or a material of equivalent properties and performance, can be overlaid with a die-cut layer of self adhesive with a peelable backIng sheet, which allows it to wound on to a reel for subsequent automated dispensing 37. In the above format, the device can be manufactured using modified, horizontal tray forming and lidding technoLogy.
38. In the above format! the device can be readily manufactured in a range of sizes 39 tn the above format, the device is intended to be p'aced and secured, in a pre-determined position, on the inner surface of the primary packaging of the packed food product.
4Q In &ther format, the dimensions of the device and thus its surface area will reflect both the mass and formulatton volume of the fill rnatenal required to effect the pack atmosphere control desired, although it is, nevertheless, intended that it will form a relatively discrete an unobtrusive food packaging inclusion.
rnary of the inventkm 41 The device is comprised of packaging, in the form of an envelope fabricated from a composite material, impermeable to liquid water, but permeable to gases and containing any one of a number of fill material formulations currently available in commercial oxygen scavenging' food packaging inclusions, which include as the active component either finely comminuted iron metal, ascorbic acid, calcium ascorbate, sodium ascorbate, sodium erythorbate or finely comminuted palladium metal, being designed to establish and maintain an oxygen free atmosphere within the headspace of bottles, sachets or cartons of aqueous liquid foods such as beverages.
42.The envelope of the device has been designed to accommodate those fill material formulations, currently available in commercial oxygen scavenging' food packaging -inclusions, which arebased on thefoflowprincipalactive components: -- * finely commnuted icon metal.
* ascorbic acid.
* calcium ascorbate.
* sodium ascorbate.
* sodium erythorbate.
* finely comnmlnuted palladium metal.
The above fill material formulations, in terms of the percentage composition of the constituent compounds, are designed to effect the pack atmosphere control required and are thus specific to the product packed and will therefore vary from product to product.
4a, The respective weights of the above fill material formulations, are designed to effect the shelf life required and are thus specific to the product packed and will therefore vary from product to product.
44. In order to retain fully the fill material formulation selected, both dry and hydrated, when in contact with food and in the presence of free, liquid water, the envelope of the device is fabricated from a hi-laminate material, consisting of a porous, layer of a non-woven, opaque 45 gim2-55g/m2 polyethylene fabric bonded, with a polyurethane adhesive, to a water impermeable layer of polyamide (PA) film, with a thickness of lOp -20p and with a WVTR in the range of lOg-2OOg/m2/24hr23°C & 85%RH and an OTR in the range of BSOcm3-20,000cm3Im2/24hr/bar©23°C 45.The envelope material is designed to allow the transmission of water vapour, oxygen and hydrogen at levels that enable the respectIve fill material formulations to perform optimally.
46.The gauge of PA film, deployed in the laminate, is determined by the W'TR and OTR required by the performance demands of the fill material formulation imposed by the packed product in question and will vary from product to product.
47. In the manufacture of the device, for deployment as an inclusion within caps and closures, the selected fill material formulation at a predetermined volume or weight, is index-deposited on to a wadding fabric based on polypropylene, polyester and cellulose with an acrylate-based binding aid, or materials of similar properties and performance, which is then over-layered with a PP or APET 30p film as the backing sheet and the PA film/non-woven PE fabric laminate as the coverface and sealed by the alternatives of heat bonding, dielectric welding or ultrasonic welding.
48. In this format, the device can be manufactured by employing existing technology in the form of a modified lamination process, in which the several components, in web form, are bought together and bonded to produce a single material.
49, In an alternative construction of the device, the envelope material is thermoformed as a shallow concave, rectangular or discoid cavity into which the fill material is deposited. The filled cavities are then overlaid and iidded with a gas impermeable membrane of APET, or a material of equivalent properties and performance, and sealed by one of the alternatives of heat bonding, dielectric welding or ultrasonic welding, as appropriate.
50. In this format, the device can be manufactured employing modified, horizontal trayS forming and lidding technology.
51. In this format, the device is intended to be placed and secured, in a pre-determined position, on the inner surface of the primary packaging of the packed product.
52. The size and thus the exposed surface area of either of the formats of the device is designed to effect the pack atmosphere control required and is thus specific to the product packed and will therefore vary from product to product.
53. The size and thus the exposed surface area of either of the formats of the device is designed to effect the shelf life required and is thus specific to the product packed and will therefore vary from product to product.
Claims (1)
- Claims 1. A device comprising packaging, in the form of an envelope fabricated from a composite material, impermeable to liquid water, but permeable to gases and containing any one of a number of fill material formulations currentJy available in commercial, oxygen scavenging' food packaging inclusions, which include as the principal active component, the alternatives of either finely comminuted iron metal! ascorbic acid, calcium ascorbate, sodium ascorbate, sodium erythorbate or finely comminuted palladium metal, being designed to establIsh and maintain an oxygen free atmosphere within the headspace of bottles, sachets or cartons of aqueous liquid foods and beverages.2, The oxygen absorbing device according to claim 1, wherein the contained material is one of a number of formulations currently available in commercial oxygen scavenging' food packaging inclusions, which include as the principal active component finely comminuted iron metal.3. The oxygen absorbing device according to claim 1, wherein the contained material is one of a number of formulations currently available in commercial oxygen scavenging' food packaging inclusions! which include as the active component ascorbic acid..4. The oxygen absorbing device according to claim 1, wherein the contained material is one of a number of formulations currently available in commercial oxygen scavenging' foodpackaging inclusions, which include as the active component calcium ascorbate.5. The oxygen absorbing device according to claim I, wherein the contained material is one of a number of formulations currently available in commercial oxygen scavenging' food packaging inclusions! which include as the active component sodium ascorbate.6. The oxygen absorbing device according to claim 1, wherein the contained material is one of a number of formulations currently available in commercIal oxygen scavenging' food packaging inclusions! which include as the active component sodium erythorbate.7. The oxygen absorbing device according to claim 1, wherein the contained material is one of a number of formulations currently available in commercial oxygen scavenging' food packaging inclusions, which include as the active component, finely comminuted palladium metal.8. The oxygen absorbing device according to claim 1, wherein the fill material formulation, with the exception of that where the principal active component is finely comminuted palladium metal! is activated by water, in the form of water vapour when present at high RI-i levels in the headspace atmosphere.9. The oxygen generating and carbon dioxide absorbing device according to clalm 1, wherein the envelope of a composite material has a porous, gas permeable, outer layer of a non-woven polyethylene fabric.I a The oxygen absorbing device according to claim I. wherein the envelope of a composite material has a liquid water impermeable, but water vapour and gas permeable layer of a PA film.I I.The oxygen absorbing device according to claim 10, wherein the water vapour and gas permeable layer of a PA film is permeable to water vapour, oxygen and hydrogen at levels sufficient to prevent these gas becoming a limiting factor in the optimal performance of any of the respective fill material formulations.54. The oxygen absorbing device according to claim 1 0, wherein the selection of the gauge of the water vapour and gas permeable layer of a PA film employed is determined by the performance requirements, of any of the respective fill material formulations imposed by the packed aqueous liquid products in question and will vary from product to product.12. The oxygen absorbing device according to claim. wherein the envelope of a composite material formed from a layer of a PA film bonded to a supporting layer of a non-woven polyethylene fabric by a polyurethane adhesive.13. The oxygen absorbing device according to claim 1, w** herein the envelope of a composite material formed allows the Interior/external relationship between the PA film and the non-woven PE fabric within the laminate to be interchangeable.14. The oxygen absorbing device according to claim 1, wherein the envelope of a composite material is a chambered pad, the dimensions of which are determined by the mass of fill material formulation required to meet the particular oxygen absorption demands of the packed product concerned.15. The oxygen absorbing device according to claim 13, wherein the chambered pad forms an integral component within the caps and closures of aqueous liquid food packaging, providing the means to produce an air-tight and liquid leak-proof seat.18. The oxygen absorbing device according to claim 1, wherein the envelope of a composite material is a thermoformed, pIano-convex, shallow, rectangular or discoid container, sealed with an APET lidding film, carrying a self adhesive layer with peelable backing strip.17. The oxygen absorbing device according to claim 15, wherein the envelope of a composite material is a thermoformed, piano-convex, shallow, rectangular or discoid container, the dimensions of which are determined by the mass of fill materIal formulation required to meet the particular oxygen absorption demands of the packed product concerned.18. The oxygen absorbing device according to claim 15 wherein the thermoformed, pIano-convex, shallow, rectangular or discoid container, secured by an adhesive layer, is an inclusion placed within the primary packaging of aqueous liquid food prod duct, or food products where aqueous liquid is present..
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1109380.4A GB2491416B (en) | 2011-06-03 | 2011-06-03 | An active, oxygen scavenging, caps and closures packaging inclusion system, designed to operate in the presence of free water |
| PCT/GB2012/051267 WO2012164315A2 (en) | 2011-06-03 | 2012-06-06 | Active oxygen scavenging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1109380.4A GB2491416B (en) | 2011-06-03 | 2011-06-03 | An active, oxygen scavenging, caps and closures packaging inclusion system, designed to operate in the presence of free water |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201109380D0 GB201109380D0 (en) | 2011-07-20 |
| GB2491416A true GB2491416A (en) | 2012-12-05 |
| GB2491416B GB2491416B (en) | 2015-12-16 |
Family
ID=44343404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1109380.4A Expired - Fee Related GB2491416B (en) | 2011-06-03 | 2011-06-03 | An active, oxygen scavenging, caps and closures packaging inclusion system, designed to operate in the presence of free water |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2491416B (en) |
| WO (1) | WO2012164315A2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2758932A (en) * | 1953-07-31 | 1956-08-14 | Ben L Sarett | Deoxygenating process and product |
| US4485133A (en) * | 1981-05-07 | 1984-11-27 | Mitsubishi Gas Chemical Company, Inc. | Oxygen absorbent packaging |
| WO1995013135A1 (en) * | 1993-11-10 | 1995-05-18 | Multiform Desiccants, Inc. | Oxygen absorber |
| WO2005033676A1 (en) * | 2003-10-03 | 2005-04-14 | E.I. Dupont De Nemours And Company | Oxygen scavenging compositions and methods of use |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3004325A1 (en) * | 1979-02-08 | 1980-08-14 | Mitsubishi Gas Chemical Co | BAG CONTAINING OXYGEN ABSORPTION AGENTS AND CONTAINER LOCKED WITH IT |
| GB2101870B (en) * | 1981-05-07 | 1985-07-10 | Mitsubishi Gas Chemical Co | Oxygen absorbent packaging |
| US4840280A (en) * | 1988-01-28 | 1989-06-20 | American Air Liquide | Sealing cap for liquid food or beverage containers |
| GB2221692B (en) * | 1988-07-15 | 1992-04-15 | Courtaulds Films & Packaging | Storage and packaging of plant material |
| JPH0474515A (en) * | 1990-07-13 | 1992-03-09 | Toray Ind Inc | Oxygen absorbing body |
| EP0656298B1 (en) * | 1993-11-19 | 1998-07-22 | Mitsubishi Gas Chemical Company, Inc. | Oxygen scavenger assembly for lids |
| JPH08217124A (en) * | 1995-02-08 | 1996-08-27 | Mitsubishi Gas Chem Co Inc | Oxygen scavenger fitted cap |
| GB0316708D0 (en) * | 2003-07-16 | 2003-08-20 | Dupont Teijin Films Us Ltd | Polymeric film |
| GB2429451B (en) * | 2005-08-25 | 2008-03-26 | Stanelco Rf Technologies Ltd | Gas absorbing means for a container |
| US20070241308A1 (en) * | 2006-04-13 | 2007-10-18 | Julius Uradnisheck | Composition for controlling exposure to oxygen |
-
2011
- 2011-06-03 GB GB1109380.4A patent/GB2491416B/en not_active Expired - Fee Related
-
2012
- 2012-06-06 WO PCT/GB2012/051267 patent/WO2012164315A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2758932A (en) * | 1953-07-31 | 1956-08-14 | Ben L Sarett | Deoxygenating process and product |
| US4485133A (en) * | 1981-05-07 | 1984-11-27 | Mitsubishi Gas Chemical Company, Inc. | Oxygen absorbent packaging |
| WO1995013135A1 (en) * | 1993-11-10 | 1995-05-18 | Multiform Desiccants, Inc. | Oxygen absorber |
| WO2005033676A1 (en) * | 2003-10-03 | 2005-04-14 | E.I. Dupont De Nemours And Company | Oxygen scavenging compositions and methods of use |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012164315A2 (en) | 2012-12-06 |
| WO2012164315A3 (en) | 2013-02-21 |
| GB2491416B (en) | 2015-12-16 |
| GB201109380D0 (en) | 2011-07-20 |
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| Date | Code | Title | Description |
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| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20160316 |