CN1737040A - Heatseal resin composition with shake-change property and its tag in membrane - Google Patents
Heatseal resin composition with shake-change property and its tag in membrane Download PDFInfo
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- CN1737040A CN1737040A CN 200410058239 CN200410058239A CN1737040A CN 1737040 A CN1737040 A CN 1737040A CN 200410058239 CN200410058239 CN 200410058239 CN 200410058239 A CN200410058239 A CN 200410058239A CN 1737040 A CN1737040 A CN 1737040A
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Abstract
The invention discloses a heat-sealing resin composition, which comprises immiscible styrene-butadiene rubber, AA resin, polyurethanes resin, petroleum resin and filling particle. As its special character, the heat-sealing composition is fit to generate line grain by coating and brushing in membrane-interior label, which is also included in this invention, so does preparation method.
Description
Technical field
The present invention relates to a kind of heat sealability resin combination, the heat sealability resin combination (heat-sealable resin composition of thixotropy) that particularly relates to a kind of tool shake-change property, and by the prepared in-film label of shake-change property resin combination (in-mold label), and the preparation method of this in-film label.
Background technology
Generally speaking, can the normal problem that meets with comprise when using in-film label: because of the one side of label has heat sealability adhering layer (heat-sealable adhesive layer), so it is not good to add the man-hour sliding in printing.In addition, label finished product through printing, cutting easily binds (after tack) because of pressure when at high temperature transporting to each other each other, therefore when using the automated tag feedway that label is conducted to mould, easily generation supply with simultaneously the label more than 2 phenomenon (that is, label inserts the error of mould), so filmed label can cause defective products when signing.Moreover label fits in the process of container because of effectively exhaust, has un-desired bubble etc. and cause in the label that fits on the container.
Therefore, comprised in order to the method for improving the problems referred to above in the past, disclosed method at TW 491766, this patent discloses a kind of in-film label that adds fatty acid amide in based on the heat sealability adhering layer of polyethylene-based resin, because the interpolation of fatty acid amide makes label have preferable sliding in the course of processing, in addition, this patent also disclose inorganic or organic filler in the use of this heat sealability adhering layer, and carry out embossment in the heat sealability adhering layer and process, to improve the deflated problem.
In TW 491766 patents in order to the method for preparing label be: preparation is in order to the ester grain that constitutes the label layers of material, be supplied to these ester grains respectively altogether the extrusion die head, finish lamination in die head, the mould behind the lamination is extended drying, procedure of processing such as prints then.Therefore, must use extruder among this preparation method, and understand as industry, extruder apparatus expensive, maneuvering ability are poor, each layer thickness control is difficult for, must meets economic benefit in mass production side, and the parameter setting of extruder is subject to employed resin formula greatly, and the regulation and control on parameter are more difficult.In addition, because the component of the employed heat sealability adhering layer of this patent is not had a shake-change property, so be under the semi-melting state in drying process this heat sealability adhering layer to be given embossing (or embossment processing) in this patent, can't produce the air guide groove to brush line (rubbing) mode more easily in order to strengthen the deflated mode.
In addition, in US 6,210, disclose one among the 795B1 and comprise the heat sealable label that sticks together that a base material and sticks together coating, wherein this sticks together coating and contains the particle that plural number comprises starch, so that sticking together coatingsurface, this has anchor, also disclose in the specification sheets of this patent, when this label is when using as in-film label, the median size of these particles is preferably between 25 μ m to 35 μ m, have certain roughness and reach and prevent adherent purpose between label so that this sticks together coatingsurface, so the surface irregularity value (roughness) of illustrated label is at least about between 5 μ m～7 μ m in the embodiment of this patent case, though this patent is preventing to be bonded with certain effectiveness between label each other, when pasting in being applied to film, the label surface on the finished product can have not good shortcoming of sense of touch difference and visual effect because of coarse, in addition, the coating of sticking together of this patent there is no the lines that air guide is used, thus can't more fully get rid of bubble when in carrying out film, pasting, and make can residual bubble on the label of finished product.
Therefore, the manufacturer relevant for in-film label, for one easily coating apparatus directly coat base material, and can further utilize the brush line to produce the method for preparing in-film label of air guide groove, but and a surface smoothing but be difficult for producing adherent in-film label each other, have a demand really.
Summary of the invention
For solving the shortcoming of aforementioned prior art, this case applicant thinks to reach, if can develop one easily is coated with, brushes line and be difficult for the heat sealability constituent of levelling in brush behind the line, then can solve foregoing problems, and this kind heat sealability constituent can obtain by the various immiscible each other components of blending, because immiscible characteristic can make this constituent have shake-change property between component, that is static viscosity can be higher than dynamic viscosity and the ratio of the two can be in certain scope.
Therefore, the present invention at first provides a kind of heat sealability resin combination of tool shake-change property, and the ratio of its static viscosity and dynamic viscosity is between 1.5 to 2.5, and comprises following component:
50% weight to 70% weight contain styrene butadiene rubbers component (Styrene-ButadieneRubber-containing component);
10% weight to 12% weight contain acrylic resin component (acrylic-containingcomponent);
12% weight to 18% weight contain polyurethane resin component (PU-containingcomponent);
3% weight to 10% weight contain C5 petroleum resin component (C5 resin-containingcomponent); And
The particle filled composite (fi1ler) in order to the reduction after-tackiness of 5% weight to 10% weight.
On the other hand, the invention provides a kind of in-film label that desciccate constituted of the heat sealability resin combination by this tool shake-change property, it comprises a thermoplastic resin base material layer 1, an and heat sealability resin layer 2 that is positioned at this substrate layer one side, wherein the surface away from this substrate layer of this heat sealability resin layer 2 is formed with plural irrigation canals and ditches, and this heat sealability resin layer 2 comprises following component:
The styrene butadiene rubbers of 50% weight to 70% weight;
The acrylic resin of 10% weight to 12% weight;
The polyurethane resin of 12% weight to 18% weight;
The C5 petroleum resin of 3% weight to 10% weight; And
The particle filled composite in order to the reduction after-tackiness of 5% weight to 10% weight.
Wherein, the viscosity that mainly act as reduction heat sealability resin layer 2 of this particle filled composite, to avoid crimping bonding each other between label, therefore, particle filled composite of the present invention is being used and aforementioned US 6,210, particle is by providing roughness to prevent to bind also inequality among the 795B1, and making it when the particle diameter of controlling particle filled composite of the present invention is when being embedded in this heat sealability resin layer 2, and these heat sealability resin layer 2 surfaces of the present invention are level and smooth exquisite, no matter all preferable on vision or sense of touch.
Again on the other hand, because of constituent of the present invention has shake-change property matter, make it be fit to be processed into in-film label with the coating and the mode of brush line, therefore, the present invention also provides a kind of method that is used to prepare above-mentioned in-film label, comprises step and is:
(i) provide the heat sealability resin combination of a tool shake-change property, the ratio of its static viscosity and dynamic viscosity is between 1.5 to 2.5, and comprises following component:
50% weight to 70% weight contain the styrene butadiene rubbers component;
10% weight to 12% weight contain the acrylic resin component;
12% weight to 18% weight contain polyurethane resin component;
3% weight to 10% weight contain C5 petroleum resin component;
The particle filled composite in order to the reduction after-tackiness of 5% weight to 10% weight;
(ii) this heat sealability resin combination is applied on the thermoplastic resin base material;
(iii) brush line (rubbing), and obtain the double-deck wet film of a surperficial tool brush line in this heat sealability resin combination surface; And
(iv) should give drying by the bilayer wet film, can make this in-film label.
Because heat sealability constituent of the present invention is obtained by immiscible each component, so its dynamically with special ratio relation of static viscosity can make its show differ from existing heat sealing resin shake the change characteristic, therefore be particularly suitable for being coated on the thermoplastic matrix with coating method, and make the in-film label that a surface has the air guide irrigation canals and ditches in the mode of brush line then, and do not need to be difficult for and the higher common extrusion mode of cost is prepared to operate, and owing to be added with the particle filled composite that reduces viscosity in the constituent of the present invention, make in-film label of the present invention itself be difficult for taking place after-tackiness, and have splendid level and smooth sense of touch, after being labelled to for example Plastic Bottle in the tunicle, do not have the shortcoming of coarse in the past injustice and residual bubble.
Description of drawings
The present invention is described in detail below in conjunction with drawings and Examples:
Fig. 1 is a synoptic diagram, illustrates that in-film label of the present invention has the aspect of two-layer structure; And
Fig. 2 is a synoptic diagram, illustrates that in-film label of the present invention has the aspect of three-decker.
Embodiment
The present invention makes the shortcoming of in-film label for improving generally to be total to the extrusion technology, therefore at first develop and a kind of constituent that is coated with the tool shake-change property of processing with brush line mode that is suitable for utilizing, utilize the not high component of various stickinesses own: immiscible characteristic between styrene butadiene rubbers, acrylic resin, polyurethane resin and C5 petroleum resin, and obtain one at dynamic down viscosity lower (easily coating and brush line), but under static state the constituent of viscosity higher (being difficult for levelling behind the brush line).In addition, for making the lower in-film label of a kind of surface smoothing and viscosity,, therefore more be added with plural number in the constituent of the present invention in order to reduce the particle filled composite of viscosity to improve easy after tack of aforementioned existing in-film label and shaggy shortcoming.
Therefore, the present invention at first provides a kind of heat sealability resin combination of tool shake-change property, and the ratio of its static viscosity and dynamic viscosity is between 1.5 to 2.5, and comprises following component: 50% weight to 70% weight contain the styrene butadiene rubbers component; 10% weight to 12% weight contain the acrylic resin component; 12% weight to 18% weight contain polyurethane resin component; 3% weight to 10% weight contain C5 petroleum resin component; And the particle filled composite in order to the reduction after-tackiness of 5% weight to 10% weight.
Preferably, the ratio of the static viscosity of constituent of the present invention and dynamic viscosity is between 1.5 to 2.0.
This contains the styrene butadiene rubbers component can comprise styrene butadiene rubbers (SBR) separately, be preferably to comprise a styrene butadiene rubbers and first an an amount of solvent, and more preferably, this first solvent is a toluene.Because constituent of the present invention is to focus on the selection with immiscible each component, therefore about being applicable to that styrene butadiene rubbers of the present invention there is no special restriction, for example can win the SBR of allusion quotation corporate agent's 3M available from Taiwan, or the Taiwan rubber and the producer of institute of Japanese Asahi Chemical Industry.
This contains the acrylic resin component can comprise acrylic resin separately, be preferably to comprise an acrylic resin and second an an amount of solvent, and more preferably, this second solvent is methylethylketone (MEK).With aforementioned,, for example can produce available from Mitsubishi chemistry or Taiwan Tai Chang resin about being applicable to that acrylic resin of the present invention does not also have special restriction.
This contains polyurethane resin component can comprise the polyurethane resin separately, be preferably to comprise a polyurethane resin and the 3rd an an amount of solvent, and more preferably, the 3rd solvent is Virahol (IPA).Relevantly be applicable to that polyurethane resin of the present invention does not also have special restriction, for example can assist the unicorn resin to produce available from Taiwan.Preferably, this polyurethane resin is the reaction product of a polynary ester type polyvalent alcohol and an isocyanate.
This contains C5 petroleum resin component can comprise the C5 petroleum resin separately, be preferably to comprise C5 petroleum resin and the 4th an an amount of solvent, and more preferably, the 4th solvent is a toluene.With aforementioned, about being applicable to that C5 petroleum resin of the present invention also do not have special restriction, for example can be available from the Mitsubishi chemistry.
Preferably, this particle filled composite has a particle diameter between 3 μ m to 10 μ m, and is to be selected from by the material in the following group that constitutes by one to be constituted: silicon-dioxide, lime carbonate, titanium dioxide, and these a combination.In a specific example of the present invention, be to use the porous silica powder as particle filled composite.
Moreover, the invention provides the excellent air guide function of a kind of tool and be difficult for the in-film label of after tack, it is that desciccate by the heat sealability resin combination of this tool shake-change property is constituted, as shown in Figure 1, this in-film label comprises a thermoplastic resin base material layer 1, and a heat sealability resin layer 2 that is positioned at this substrate layer one side, wherein the surface away from this substrate layer of this heat sealability resin layer 2 is formed with plural irrigation canals and ditches, and this heat sealability resin layer 2 comprises following component:
The styrene butadiene rubbers of 50% weight to 70% weight;
The acrylic resin of 10% weight to 12% weight;
The polyurethane resin of 12% weight to 18% weight;
The C5 petroleum resin of 3% weight to 10% weight; And
The particle filled composite in order to the reduction after-tackiness of 5% weight to 10% weight.
Preferably, the fusing point of this thermoplastic resin base material layer 1 is higher 15 ℃ to 20 ℃ than the fusing point of this heat sealability resin layer 2, causes 1 fusion of thermoplastic resin base material layer under the high temperature when avoiding in carrying out film pasting, and influence the planarization of label after cooling.This thermoplastic resin base material layer 1 can be made of various thermoplastic resin, for example comprises PP, PE etc. at interior polyolefine, and this knows usually that for having in this technical field the knowledgeable is known, so no longer describe in detail at this.Preferably, this thermoplastic resin base material layer 1 is made of by main body polypropylene (PP), and in a specific example of the present invention, this thermoplastic resin base material layer 1 is polypropylene transparent film or the white polypropylene synthetic paper that extends for three-layer co-extruded pressure twin shaft.
The thickness of relevant thermoplastic resin base material layer 1, the purposes of visual product and demand and change, preferably, this thermoplastic resin base material layer 1 has the thickness between 80 μ m to 100 μ m.
Preferably, these irrigation canals and ditches of this heat sealability resin layer 2 have a degree of depth between 10 μ m to 25 μ m, derive gas when pasting in carrying out film effectively.
In-film label of the present invention can be further thermoplastic resin base material layer 1 away from this heat sealability resin layer side, bestow one and be easy to the surface printing processing layer 3 of ink printing, and obtain an in-film label with three-decker, as shown in Figure 2.Be applicable to that the material that constitutes this surface printing processing layer 3 comprises resins such as polyurethane.
At last, the present invention also provides a kind of method that is used to prepare this in-film label, comprises step and is:
(i) provide the heat sealability resin combination of aforementioned tool shake-change property of the present invention,
(ii) this heat sealability resin combination is applied on the thermoplastic resin base material;
(iii) brush line, and obtain the double-deck wet film of a surperficial tool brush line in this heat sealability resin combination surface;
And
(iv) should give drying by the bilayer wet film, can make this in-film label.
The suitable material of the thermoplastic resin base material among relevant this preparation method is as described above, does not repeat them here.
Preferably, the coating of this step in (ii) is to carry out between the speed between the 10/min to 30m/min with one.And preferably, the (ii) middle thickness that is coated with of this step is between 40 μ m to 45 μ m.
Preferably, the brush line of this step in (iii) is by using a line rod with 0.5mm to 0.7mm live width to carry out.In a specific example of the present invention, be to use line rod Meyer-Bar#20 (live width is 0.5mm, the glad corporate system of birch) to brush line.
Below will be further borrow the concrete aspect explanation the present invention that implements, only these implement aspects only for illustrating purposes, but not in order to limit the present invention.
Embodiment
I. have a heat sealability resin combination of shake-change property
(A) preparation of the heat sealability resin combination of tool shake-change property:
Following component is mixed under room temperature, can make this constituent:
| Component | Account for the weight % (weight .%) of constituent | Inclusion |
| Contain the styrene butadiene rubbers component | 60 | Styrene butadiene rubbers (Taiwan rubber system) and toluene (weight ratio 1: 4) |
| Contain the acrylic resin component | 11 | Acrylic resin (Mitsubishi chemistry system) and methylethylketone (weight ratio 1: 1) |
| Contain polyurethane resin component | 15 | Polyurethane resin (Taiwan association unicorn resin system) and Virahol (weight ratio 1: 2) |
| Contain C5 petroleum resin component | 6 | The C5 petroleum resin are (with toluene (weight ratio 1: 1.5) |
| Particle filled composite | 7 | The porous silica powder |
(B) shake-change property test:
Utilize the viscosmeter # 2 transfer rod of R00KFIELD corporate system product LVT by name that the above-mentioned constituent that makes is carried out dynamically and the test of static viscosity, change measured static viscosity with #2 transfer rod slow-speed 3 and be about 430cps, be about 230cps and change the measured dynamic viscosity of 30 commentaries on classics soon, therefore the ratio of static viscosity and dynamic viscosity is about 1.87.
II. the preparation of in-film label
Be stained with the material wheel by coating machine (Comma coater) accessory coating apparatus, the prepared constituent of I. is applied to polypropylene screen (the Taiwan South Asia system that a three-layer co-extruded pressure twin shaft extends, name of an article PP-100, carry out speed and be about 20m/min) on, then use line rod (Meyer-Bar#20) on this heat sealability resin layer, to brush line with the reversal speed of 5～8m/min, making and forming the parallel irrigation canals and ditches (degree of depth is about 10～25 μ m) of plural number on the heat sealability resin layer surface is about 43 ± 3 μ m to form a heat sealability resin layer and to make its thickness, with this duplicature of oven drying, can make in-film label at last.
Claims (17)
1. the heat sealability resin combination of a tool shake-change property, it is characterized in that: the ratio of its static viscosity and dynamic viscosity is between 1.5 to 2.5, and comprises following component:
50% weight to 70% weight contain the styrene butadiene rubbers component;
10% weight to 12% weight contain the acrylic resin component;
12% weight to 18% weight contain polyurethane resin component;
3% weight to 10% weight contain C5 petroleum resin component; And
The particle filled composite in order to the reduction after-tackiness of 5% weight to 10% weight.
2. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that: the ratio of its static viscosity and dynamic viscosity is between 1.5 to 2.0.
3. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that:
This contains the styrene butadiene rubbers component and comprises a styrene butadiene rubbers and first an an amount of solvent.
4. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that: this contains the acrylic resin component and comprises an acrylic resin and second an an amount of solvent.
5. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that:
This contains polyurethane resin component and comprises a polyurethane resin and the 3rd an an amount of solvent.
6. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that:
This polyurethane resin is the reaction product of a polynary ester type polyvalent alcohol and an isocyanate.
7. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that:
This contains C5 petroleum resin component and comprises C5 petroleum resin and the 4th an an amount of solvent.
8. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that:
This particle filled composite has a particle diameter between 3 μ m to 10 μ m.
9. the heat sealability resin combination of tool shake-change property as claimed in claim 1 is characterized in that:
This particle filled composite is to be selected from by the material in the following group that constitutes by one to be constituted: silicon-dioxide, lime carbonate, titanium dioxide, and these a combination.
10. in-film label, it is characterized in that: comprise a thermoplastic resin base material layer (1), an and heat sealability resin layer (2) that is positioned at this substrate layer one side, wherein the surface away from this substrate layer of this heat sealability resin layer (2) is formed with plural irrigation canals and ditches, and this heat sealability resin layer 2 comprises following component:
The styrene butadiene rubbers of 50% weight to 70% weight;
The acrylic resin of 10% weight to 12% weight;
The polyurethane resin of 12% weight to 18% weight;
The C5 petroleum resin of 3% weight to 10% weight; And
The particle filled composite in order to the reduction after-tackiness of 5% weight to 10% weight.
11. in-film label as claimed in claim 10 is characterized in that:
The fusing point of this thermoplastic resin base material layer 1 is higher 15 ℃ to 20 ℃ than the fusing point of this heat sealability resin layer 2.
12. in-film label as claimed in claim 10 is characterized in that:
This thermoplastic resin base material layer (1) is made of polyolefine.
13. in-film label as claimed in claim 10 is characterized in that:
These irrigation canals and ditches of this heat sealability resin layer (2) have a degree of depth between 10 μ m to 25 μ m.
14. in-film label as claimed in claim 10 is characterized in that:
This particle filled composite has a particle diameter between 3 μ m to 10 μ m.
15. in-film label as claimed in claim 10 is characterized in that:
This particle filled composite is to be selected from by the material in the following group that constitutes by one to be constituted: silicon-dioxide, lime carbonate, titanium dioxide, and these a combination.
16. in-film label as claimed in claim 10 is characterized in that:
Further has a surface printing processing layer (3) that is positioned at this thermoplastic resin base material layer (1) away from this heat sealability resin layer side.
17. a method that is used to prepare in-film label as claimed in claim 10,
It is characterized in that: comprising step is:
(i) provide the heat sealability resin combination of a tool shake-change property, the ratio of its static viscosity and dynamic viscosity is between 1.5 to 2.5, and comprises following component:
50% weight to 70% weight contain the styrene butadiene rubbers component;
10% weight to 12% weight contain the acrylic resin component;
12% weight to 18% weight contain polyurethane resin component;
3% weight to 10% weight contain C5 petroleum resin component;
The particle filled composite in order to the reduction after-tackiness of 5% weight to 10% weight;
(ii) this heat sealability resin combination is applied on the thermoplastic resin base material;
(iii) brush line, and obtain the double-deck wet film of a surperficial tool brush line in this heat sealability resin combination surface; And
(iv) should give drying by the bilayer wet film, can make this in-film label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100582390A CN1329441C (en) | 2004-08-17 | 2004-08-17 | Heatseal resin composition with shake-change property and its tag in membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100582390A CN1329441C (en) | 2004-08-17 | 2004-08-17 | Heatseal resin composition with shake-change property and its tag in membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1737040A true CN1737040A (en) | 2006-02-22 |
| CN1329441C CN1329441C (en) | 2007-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100582390A Expired - Fee Related CN1329441C (en) | 2004-08-17 | 2004-08-17 | Heatseal resin composition with shake-change property and its tag in membrane |
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| Country | Link |
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| CN (1) | CN1329441C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131372A1 (en) * | 2013-03-01 | 2014-09-04 | 优泊公司 | In-mold label for use in stretch blow molding and stretch blow molding-molded product having the label |
| CN107103836A (en) * | 2017-07-04 | 2017-08-29 | 东莞市安德标签材料有限公司 | In-mold labels material and its application process |
| CN113019475A (en) * | 2021-03-16 | 2021-06-25 | 台嘉成都玻纤有限公司 | Softener resin regeneration method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55161810A (en) * | 1979-06-05 | 1980-12-16 | Asahi Glass Co Ltd | Preparation of ion-exchangeable fluoropolymer |
| US7126942B2 (en) * | 1997-10-21 | 2006-10-24 | Intel Corporation | Apparatus and method for integrated computer controlled call processing in packet switched telephone networks |
| WO2000024838A1 (en) * | 1998-10-26 | 2000-05-04 | Nashua Corporation | Heat-sealable adhesive label with spacer particles |
| AU2003234791A1 (en) * | 2002-05-09 | 2003-11-11 | Yupo Corporation | Biodegradable label for in-mold molding and biodegradable container having the label stuck thereto |
| WO2004011534A1 (en) * | 2002-07-25 | 2004-02-05 | Yupo Corporation | Stretched resin film and label comprising the same |
-
2004
- 2004-08-17 CN CNB2004100582390A patent/CN1329441C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131372A1 (en) * | 2013-03-01 | 2014-09-04 | 优泊公司 | In-mold label for use in stretch blow molding and stretch blow molding-molded product having the label |
| CN107103836A (en) * | 2017-07-04 | 2017-08-29 | 东莞市安德标签材料有限公司 | In-mold labels material and its application process |
| CN113019475A (en) * | 2021-03-16 | 2021-06-25 | 台嘉成都玻纤有限公司 | Softener resin regeneration method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1329441C (en) | 2007-08-01 |
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Granted publication date: 20070801 Termination date: 20100817 |