CA2561490C - Enveloppe a fermeture arriere pour emballage de produits - Google Patents

Enveloppe a fermeture arriere pour emballage de produits Download PDF

Info

Publication number: CA2561490C
Authority: CA; Canada
Prior art keywords: layer; film; polyamide; casing; backseamed
Prior art date: 1995-10-06
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.): Expired - Fee Related

Application number

CA002561490A

Other languages

English (en)

Other versions

CA2561490A1 (fr

Inventor

Ram K. Ramesh

Michael J. Rosinski

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Cryovac LLC

Original Assignee

Cryovac LLC

Priority date (The priority date 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 date listed.)

1995-10-06

Filing date

1996-10-07

Publication date

2008-04-01

1996-10-07 Application filed by Cryovac LLC filed Critical Cryovac LLC

1996-10-07 Priority claimed from CA002233948A external-priority patent/CA2233948C/fr

1997-04-10 Publication of CA2561490A1 publication Critical patent/CA2561490A1/fr

2008-04-01 Application granted granted Critical

2008-04-01 Publication of CA2561490C publication Critical patent/CA2561490C/fr

2016-10-07 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

229920000098 polyolefin Polymers 0.000 claims abstract description 88
239000004952 Polyamide Substances 0.000 claims abstract description 77
229920002647 polyamide Polymers 0.000 claims abstract description 77
238000002844 melting Methods 0.000 claims abstract description 21
230000008018 melting Effects 0.000 claims abstract description 21
239000004793 Polystyrene Substances 0.000 claims abstract description 11
229920002223 polystyrene Polymers 0.000 claims abstract description 11
239000000203 mixture Substances 0.000 claims description 92
229920001577 copolymer Polymers 0.000 claims description 87
229920000092 linear low density polyethylene Polymers 0.000 claims description 81
239000004707 linear low-density polyethylene Substances 0.000 claims description 81
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 75
239000005977 Ethylene Substances 0.000 claims description 75
239000004711 α-olefin Substances 0.000 claims description 61
229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 54
239000002253 acid Substances 0.000 claims description 39
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 35
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 34
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 24
IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 19
229920002292 Nylon 6 Polymers 0.000 claims description 17
229920001038 ethylene copolymer Polymers 0.000 claims description 16
229920001155 polypropylene Polymers 0.000 claims description 16
229920000728 polyester Polymers 0.000 claims description 14
-1 polyethylene copolymer Polymers 0.000 claims description 14
229920001519 homopolymer Polymers 0.000 claims description 12
229920001083 polybutene Polymers 0.000 claims description 12
229920002302 Nylon 6,6 Polymers 0.000 claims description 11
239000004698 Polyethylene Substances 0.000 claims description 10
229920000572 Nylon 6/12 Polymers 0.000 claims description 9
229920000573 polyethylene Polymers 0.000 claims description 9
229920005638 polyethylene monopolymer Polymers 0.000 claims description 6
229920005606 polypropylene copolymer Polymers 0.000 claims description 6
229920005629 polypropylene homopolymer Polymers 0.000 claims description 6
229920000571 Nylon 11 Polymers 0.000 claims description 5
229920000299 Nylon 12 Polymers 0.000 claims description 5
229920000305 Nylon 6,10 Polymers 0.000 claims description 5
229920006037 cross link polymer Polymers 0.000 claims description 5
229920006111 poly(hexamethylene terephthalamide) Polymers 0.000 claims description 5
229920000577 Nylon 6/66 Polymers 0.000 claims description 3
235000013622 meat product Nutrition 0.000 abstract description 45
229920006149 polyester-amide block copolymer Polymers 0.000 abstract 1
239000010410 layer Substances 0.000 description 470
229920000642 polymer Polymers 0.000 description 65
150000008064 anhydrides Chemical class 0.000 description 63
238000000034 method Methods 0.000 description 60
239000004677 Nylon Substances 0.000 description 51
229920001778 nylon Polymers 0.000 description 51
230000008569 process Effects 0.000 description 48
235000013372 meat Nutrition 0.000 description 41
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 40
239000000047 product Substances 0.000 description 36
239000012792 core layer Substances 0.000 description 32
238000007789 sealing Methods 0.000 description 31
239000000126 substance Substances 0.000 description 31
230000000052 comparative effect Effects 0.000 description 28
238000003851 corona treatment Methods 0.000 description 28
239000000178 monomer Substances 0.000 description 28
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 26
238000010926 purge Methods 0.000 description 26
239000005038 ethylene vinyl acetate Substances 0.000 description 25
229920005989 resin Polymers 0.000 description 25
239000011347 resin Substances 0.000 description 25
229920000219 Ethylene vinyl alcohol Polymers 0.000 description 23
239000004715 ethylene vinyl alcohol Substances 0.000 description 23
RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 22
239000000463 material Substances 0.000 description 20
238000010411 cooking Methods 0.000 description 15
238000004806 packaging method and process Methods 0.000 description 15
235000013305 food Nutrition 0.000 description 13
239000000839 emulsion Substances 0.000 description 12
238000007334 copolymerization reaction Methods 0.000 description 11
238000009826 distribution Methods 0.000 description 11
238000004132 cross linking Methods 0.000 description 9
238000006116 polymerization reaction Methods 0.000 description 9
229920002635 polyurethane Polymers 0.000 description 9
239000004814 polyurethane Substances 0.000 description 9
229920006257 Heat-shrinkable film Polymers 0.000 description 8
JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 8
235000015250 liver sausages Nutrition 0.000 description 8
229910052751 metal Chemical class 0.000 description 8
239000002184 metal Chemical class 0.000 description 8
LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 7
150000001336 alkenes Chemical class 0.000 description 7
230000004888 barrier function Effects 0.000 description 7
229920003023 plastic Polymers 0.000 description 7
239000004033 plastic Substances 0.000 description 7
230000005855 radiation Effects 0.000 description 7
239000000565 sealant Substances 0.000 description 7
239000004716 Ethylene/acrylic acid copolymer Substances 0.000 description 6
VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 6
229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 6
125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
229920001903 high density polyethylene Polymers 0.000 description 6
239000004700 high-density polyethylene Substances 0.000 description 6
102000004169 proteins and genes Human genes 0.000 description 6
108090000623 proteins and genes Proteins 0.000 description 6
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 6
235000015278 beef Nutrition 0.000 description 5
230000008901 benefit Effects 0.000 description 5
238000001125 extrusion Methods 0.000 description 5
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 5
230000010069 protein adhesion Effects 0.000 description 5
KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 4
241000269319 Squalius cephalus Species 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 4
229910052799 carbon Inorganic materials 0.000 description 4
238000001816 cooling Methods 0.000 description 4
229920000554 ionomer Polymers 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
239000002480 mineral oil Substances 0.000 description 4
235000010446 mineral oil Nutrition 0.000 description 4
229920006112 polar polymer Polymers 0.000 description 4
244000144977 poultry Species 0.000 description 4
229920001328 Polyvinylidene chloride Polymers 0.000 description 3
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
239000000654 additive Substances 0.000 description 3
239000000853 adhesive Substances 0.000 description 3
230000001070 adhesive effect Effects 0.000 description 3
239000003054 catalyst Substances 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
ZMUCVNSKULGPQG-UHFFFAOYSA-N dodecanedioic acid;hexane-1,6-diamine Chemical compound NCCCCCCN.OC(=O)CCCCCCCCCCC(O)=O ZMUCVNSKULGPQG-UHFFFAOYSA-N 0.000 description 3
150000002148 esters Chemical class 0.000 description 3
229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 3
238000007765 extrusion coating Methods 0.000 description 3
239000001530 fumaric acid Substances 0.000 description 3
239000002638 heterogeneous catalyst Substances 0.000 description 3
238000003475 lamination Methods 0.000 description 3
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
239000011976 maleic acid Substances 0.000 description 3
229920003145 methacrylic acid copolymer Polymers 0.000 description 3
230000004048 modification Effects 0.000 description 3
238000012986 modification Methods 0.000 description 3
230000003287 optical effect Effects 0.000 description 3
229920005672 polyolefin resin Polymers 0.000 description 3
239000005033 polyvinylidene chloride Substances 0.000 description 3
238000011084 recovery Methods 0.000 description 3
150000003839 salts Chemical class 0.000 description 3
229920001897 terpolymer Polymers 0.000 description 3
229920001866 very low density polyethylene Polymers 0.000 description 3
241000251468 Actinopterygii Species 0.000 description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
229920003300 Plexar® Polymers 0.000 description 2
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
239000011324 bead Substances 0.000 description 2
150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
208000028659 discharge Diseases 0.000 description 2
238000010828 elution Methods 0.000 description 2
229920005648 ethylene methacrylic acid copolymer Polymers 0.000 description 2
238000005194 fractionation Methods 0.000 description 2
235000011389 fruit/vegetable juice Nutrition 0.000 description 2
230000007062 hydrolysis Effects 0.000 description 2
238000006460 hydrolysis reaction Methods 0.000 description 2
230000005865 ionizing radiation Effects 0.000 description 2
229920001179 medium density polyethylene Polymers 0.000 description 2
229940117841 methacrylic acid copolymer Drugs 0.000 description 2
TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
229920006113 non-polar polymer Polymers 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000012785 packaging film Substances 0.000 description 2
229920006280 packaging film Polymers 0.000 description 2
229920001281 polyalkylene Polymers 0.000 description 2
239000002954 polymerization reaction product Substances 0.000 description 2
230000002265 prevention Effects 0.000 description 2
238000012545 processing Methods 0.000 description 2
238000010791 quenching Methods 0.000 description 2
230000000171 quenching effect Effects 0.000 description 2
230000000630 rising effect Effects 0.000 description 2
229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 2
241000283707 Capra Species 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
229920003299 Eltex® Polymers 0.000 description 1
241000283073 Equus caballus Species 0.000 description 1
229920003620 Grilon® Polymers 0.000 description 1
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
235000019687 Lamb Nutrition 0.000 description 1
229920003298 Nucrel® Polymers 0.000 description 1
239000004721 Polyphenylene oxide Substances 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
239000004708 Very-low-density polyethylene Substances 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
BAPJBEWLBFYGME-UHFFFAOYSA-N acrylic acid methyl ester Natural products COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000003963 antioxidant agent Substances 0.000 description 1
239000002216 antistatic agent Substances 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
238000010382 chemical cross-linking Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000003426 co-catalyst Substances 0.000 description 1
238000004737 colorimetric analysis Methods 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
235000015242 cooked ham Nutrition 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
230000032798 delamination Effects 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000000113 differential scanning calorimetry Methods 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
238000004980 dosimetry Methods 0.000 description 1
239000000975 dye Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
239000000806 elastomer Substances 0.000 description 1
HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical class C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000011049 filling Methods 0.000 description 1
238000010096 film blowing Methods 0.000 description 1
235000019688 fish Nutrition 0.000 description 1
239000007789 gas Substances 0.000 description 1
238000012685 gas phase polymerization Methods 0.000 description 1
238000005227 gel permeation chromatography Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000005304 joining Methods 0.000 description 1
229920001684 low density polyethylene Polymers 0.000 description 1
235000004213 low-fat Nutrition 0.000 description 1
229910001629 magnesium chloride Inorganic materials 0.000 description 1
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
238000005259 measurement Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
239000004701 medium-density polyethylene Substances 0.000 description 1
229910001507 metal halide Inorganic materials 0.000 description 1
150000005309 metal halides Chemical class 0.000 description 1
235000015253 mortadella Nutrition 0.000 description 1
125000002524 organometallic group Chemical group 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000005022 packaging material Substances 0.000 description 1
235000021485 packed food Nutrition 0.000 description 1
230000035699 permeability Effects 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
239000000049 pigment Substances 0.000 description 1
238000009832 plasma treatment Methods 0.000 description 1
239000002985 plastic film Substances 0.000 description 1
229920006255 plastic film Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
229920000570 polyether Polymers 0.000 description 1
229920000306 polymethylpentene Polymers 0.000 description 1
239000011116 polymethylpentene Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
235000020991 processed meat Nutrition 0.000 description 1
229920001384 propylene homopolymer Polymers 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000012163 sequencing technique Methods 0.000 description 1
239000012748 slip agent Substances 0.000 description 1
239000002002 slurry Substances 0.000 description 1
HLWRUJAIJJEZDL-UHFFFAOYSA-M sodium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate Chemical compound [Na+].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC([O-])=O HLWRUJAIJJEZDL-UHFFFAOYSA-M 0.000 description 1
MXNUCYGENRZCBO-UHFFFAOYSA-M sodium;ethene;2-methylprop-2-enoate Chemical compound [Na+].C=C.CC(=C)C([O-])=O MXNUCYGENRZCBO-UHFFFAOYSA-M 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000007921 spray Substances 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
230000004083 survival effect Effects 0.000 description 1
239000000454 talc Substances 0.000 description 1
229910052623 talc Inorganic materials 0.000 description 1
238000012360 testing method Methods 0.000 description 1
238000002076 thermal analysis method Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
238000012546 transfer Methods 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
238000010792 warming Methods 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1
239000011701 zinc Substances 0.000 description 1

Landscapes

Laminated Bodies (AREA)
Wrappers (AREA)

CA002561490A 1995-10-06 1996-10-07 Enveloppe a fermeture arriere pour emballage de produits Expired - Fee Related CA2561490C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US53991995A	1995-10-06	1995-10-06
US539,919		1995-10-06
CA002233948A CA2233948C (fr)	1995-10-06	1996-10-07	Enveloppe a fermeture arriere pour emballage de produits

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002233948A Division CA2233948C (fr)	1995-10-06	1996-10-07	Enveloppe a fermeture arriere pour emballage de produits

Publications (2)

Publication Number	Publication Date
CA2561490A1 CA2561490A1 (fr)	1997-04-10
CA2561490C true CA2561490C (fr)	2008-04-01

Family

ID=37450529

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002561490A Expired - Fee Related CA2561490C (fr)	1995-10-06	1996-10-07	Enveloppe a fermeture arriere pour emballage de produits

Country Status (1)

Country	Link
CA (1)	CA2561490C (fr)

1996
- 1996-10-07 CA CA002561490A patent/CA2561490C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2561490A1 (fr)	1997-04-10

Legal Events

Date	Code	Title	Description
2006-10-13	EEER	Examination request
2011-10-07	MKLA	Lapsed

Publication	Publication Date	Title
US7540834B2 (en)	2009-06-02	Backseamed casing and packaged product incorporating same
EP0874735B1 (fr)	2003-02-12	Enveloppe a fermeture arriere et produit emballe dans cette enveloppe
CA2228013C (fr)	2003-01-28	Film, boyaux a soudure sur l'envers realises a partir de ce film et conditionnement a l'aide de ce boyau
CA2262799C (fr)	2006-01-10	Article constitue d'un film pourvu d'un agent d'etancheite polyamide, d'un couche centrale polyamide, et d'une couche barriere anti-o2, et produit emballe utilisant un tel article
US5843502A (en)	1998-12-01	Package having cooked food product packaged in film having food adhesion layer containing high vicat softening point olefin/acrylic acid copolymer
CA2164919C (fr)	2001-05-08	Sac a bande thermoretractable, constituee d'un copolymere homogene d'ethylene et d'alpha-olefine
US20070014897A1 (en)	2007-01-18	Backseamed casing and packaged product incorporating same
CA2241313C (fr)	2006-08-29	Sac a renfort continu
CA2233948C (fr)	2007-01-23	Enveloppe a fermeture arriere pour emballage de produits
CA2561490C (fr)	2008-04-01	Enveloppe a fermeture arriere pour emballage de produits
AU9514101A (en)	2002-01-17	Backseamed casing and packaged product incorporating same
AU751837B2 (en)	2002-08-29	Article comprising film having polyamide sealant, polyamide core layer, and O2-barrier layer, and packaged product using same