CN1623862A - Long-acting antibiosis plastic container cover and its mfg. process - Google Patents
Long-acting antibiosis plastic container cover and its mfg. process Download PDFInfo
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- CN1623862A CN1623862A CNA2004100275316A CN200410027531A CN1623862A CN 1623862 A CN1623862 A CN 1623862A CN A2004100275316 A CNA2004100275316 A CN A2004100275316A CN 200410027531 A CN200410027531 A CN 200410027531A CN 1623862 A CN1623862 A CN 1623862A
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- Prior art keywords
- plastic
- raw materials
- mixed
- total weight
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- 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.)
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- 229920003023 plastic Polymers 0.000 title claims abstract description 125
- 239000004033 plastic Substances 0.000 title claims abstract description 125
- 230000003115 biocidal effect Effects 0.000 title claims description 39
- 238000000034 method Methods 0.000 title claims description 18
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052709 silver Inorganic materials 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 42
- 239000002245 particle Substances 0.000 claims description 34
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 27
- 239000010949 copper Substances 0.000 claims description 23
- 239000011701 zinc Substances 0.000 claims description 23
- 239000010936 titanium Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 150000001455 metallic ions Chemical class 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000002105 nanoparticle Substances 0.000 abstract 1
- 238000004659 sterilization and disinfection Methods 0.000 description 17
- 230000001954 sterilising effect Effects 0.000 description 14
- 239000003814 drug Substances 0.000 description 11
- 235000013305 food Nutrition 0.000 description 10
- 238000012360 testing method Methods 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 231100000911 LD50 test Toxicity 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 231100000460 acute oral toxicity Toxicity 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 229940088710 antibiotic agent Drugs 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012543 microbiological analysis Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Closures For Containers (AREA)
Abstract
A durably antibacterial plastic container cover is prepared from the granular mixture of raw plastics and the nanoparticles of metal chosen from Ag, Cu, Ti, Zn and Ni and the raw plastics through proportional mixing and injection moulding. Its advantages are long antibacterial time and low cost.
Description
Technical field
The present invention relates to a kind of long acting antibiotic container closure of plastic and manufacture method thereof, be applicable to loading of pieces, human drugs or other medical supplies.Belong to the plastic container technical field.
Background technology
At present, plastic container are widely used in commercial production and daily life, particularly be widely used on the packing of various food and medicine products, container closure of plastic plays important effect equally as the auxiliary products of plastic container on the packing of various food and medicine products.In actual applications, the inside and outside portion of food and medicine plastic container very easily infects and breed bacteria, and the inside and outside of supporting with it plastic packaging containers lid equally also very easily infects and breed bacteria.Food and medicine is with bacterial infection in the plastic wrapping, can cause food and medicine rotten or shorten the packing subject word, and food and medicine infects bacterium outward with plastic wrapping very easily to be made people intersect to spread germs, influence the healthy of people.
The plastic packaging containers lid of existing various food and medicine be by plastics through compression molding, the sterilization of product is to finish in the machine-shaping process, general cleaning and sterilizing no longer all after machine-shaping.Because the cleaning and sterilizing of shaped article will use alcohol, bleaching powder, hypochlorous acid to receive and medicament such as hydrogen peroxide or use ultraviolet ray, microwave irradiation or sterilize with disinfection with high pressure steam.And use alcohol, bleaching powder, when hypochlorous acid is received and medicament such as hydrogen peroxide carries out disinfection, residual harmful chemical analysis easily uses ultraviolet ray, microwave irradiation or with the disinfection with high pressure steam sterilization, these method for disinfection and sterilization expense height increase cost.Even adopt these method for disinfection and sterilization, it is permanent that sterilization effect can not keep.
Summary of the invention
The technical issues that need to address of the present invention, purpose promptly of the present invention is long acting antibiotic container closure of plastic and the manufacture method thereof that has permanent antibiotic and fungistatic effect in order to provide.
Technical matters of the present invention can adopt following technical scheme to solve:
The long acting antibiotic container closure of plastic is characterized in that: injection molded by nano level metal ion mixed plastic particles and plastic raw materials; Mixed plastic particles dissolve in the plastic raw materials equably by in nano level metal ionic silver, copper, titanium, zinc, the nickel one or two or more kinds and fully mix after make, wherein the shared percentage by weight of metallic ion is 20～30%, and plastics account for 70～80% of total weight; The long acting antibiotic container closure of plastic is mixed with plastic raw materials by mixed plastic particles, and the mold injection of mixing various different sizes, different shape through injection machine forms, and wherein mixed plastic particles accounts for 5～10% of total weight, and plastic raw materials accounts for 90～95% of total weight.
Technical matters of the present invention also can solve by taking following technical scheme:
Described mixed plastic particles size≤0.5 * 0.5 * 0.5cm.
Described plastic raw materials is PP, HDPE, PET, PC or ABS plastic
Described metallic ion is Ag
++, Ag
+++, Cu
++, Ti
++, Zn
++, Ni
++, described mixed plastic particles is by Ag
++, Cu
++, Ti
++, Zn
++, Ni
++Fully be mixed and made into plastic raw materials; Or by Ag
+++, Cu
++, Ti
++, Zn
++, Ni
++Fully be mixed and made into plastic raw materials.
The manufacture method of foregoing long acting antibiotic container closure of plastic is characterized in that:
1) is ready in nano level metal ionic silver, copper, titanium, zinc, the nickel one or two or more kinds, after the plastic raw materials fusing, described nano level metal ion is penetrated in the plastics of molten state equably, total weight is 100, the metallic ion weight of adding accounts for 20～30% of total weight, and plastic raw materials weight accounts for 70～80% of total weight;
2) after evenly mixing, mixed plastic particles is made in fusion under 150～250 ℃ condition, tie rod, cooling, cut-out;
3) and then the mixed plastic particles that will account for total weight 5～10% mix with the plastic raw materials that accounts for total weight 90-95%, after evenly mixing, under 150～250 ℃ condition,, manufacture antibiotic PP, HDPE, PET, PC or ABS plastic container cover through injection machine injection moulding moulded section.
The invention has the beneficial effects as follows:
1, the antibiotic plastic container cover that the present invention relates to, its effective antibiotic time can be synchronous with the life-span of antibiotic plastic container cover.Press GB 15979-2002 " appendix C-product antibacterial and bactericidal property and stability test method " through Guangdong Province's microbiological analysis inspection center, the topped method of anti-biotic material (goods) film that Quinn test method in Ministry of Health of the People's Republic of China's 2002 " disinfection technology standard--bacteriostatic test " and japanese food analytic centre formulate is carried out the anti-microbial property that detects the antibiotic plastic container cover, and testing result antibiotic plastic container cover is respectively 99.99% to the antibiotic rate of Escherichia coli and staphylococcus aureus.Skin irritatin test and acute oral toxicity LD50 test is done by world economy cooperation and development institution Chemical Analysis standard 1981-404 and 1992-420 standard by Hong Kong SGS company, and assay is a nonirritant, nontoxic.
2, utilize the manufacture method of antibiotic plastic container cover provided by the invention; can the machine-shaping all size, the antibiotic plastic container cover of different shape; these antibiotic plastic container cover have permanent antibiotic, sterilization functions; can exempt detoxicating sterilization devices needed and sterilization medicament; changed traditional container closure of plastic tool antibiotic and sterilizing method; become the expense of passive sterilization on the one hand into initiatively having sterilized, saved sterilization; can avoid on the other hand sterilizing soup, have in environmental protection to second environmental pollution.Be specially adapted to varieties of food items, pharmaceutical packing.
3, antibiotic plastic container cover provided by the invention and manufacture method thereof, technology is simple, and processing and fabricating is easy, and is with low cost, has good economic benefit.
The specific embodiment
Describe the present invention below in conjunction with embodiment.
Embodiment one:
By nano level metal ionic silver, copper, titanium, zinc, nickel dissolve in equably in the plastic raw materials and fully mix after make mixed plastic particles, the shared percentage by weight of metallic ion is 25% in the mixed plastic particles, plastic raw materials weight accounts for 75% of total weight; Fully mixed with plastic raw materials by mixed plastic particles again, and be injection molded into the long acting antibiotic container closure of plastic of all size, different shape by injection machine, wherein mixed plastic particles accounts for 7.5% of total weight, and plastic raw materials accounts for 92.5% of total weight.
In the present embodiment: mixed plastic particles size≤0.5 * 0.5 * 0.5cm.Plastic raw materials is the PP plastics.Metallic ion is Ag
++, Cu
++, Ti
++, Zn
++, Ni
++Combination or Ag
+++, Cu
++, Ti
++, Zn
++, Ni
++Combination.
The manufacture method of foregoing long acting antibiotic container closure of plastic is characterized in that:
1) is ready to nano level metal ion A g
++, Cu
++, Ti
++, Zn
++, Ni
++Combination or Ag
+++, Cu
++, Ti
++, Zn
++, Ni
++Combination, with after the PP plastic raw materials fusing, described nano level metal ion is penetrated into equably in the PP plastics of molten state, total weight is 100, the metallic ion weight of interpolation accounts for 25% of total weight, PP plastic raw materials weight accounts for 75% of total weight;
2) after evenly mixing, mixed plastic particles is made in fusion under 150～250 ℃ condition, tie rod, cooling, cut-out;
3) and then the mixed plastic particles that will account for total weight 7.5% mix with the PP plastic raw materials that accounts for total weight 92.5%, after evenly mixing, under 150～250 ℃ condition,, manufacture antibiotic PP container closure of plastic through injection machine injection moulding moulded section.
Antibiotic PP container closure of plastic is through Guangdong Province's microbiological analysis inspection center, press GB 15979-2002 " appendix C--product antibacterial and bactericidal property and stability test method ", the topped method of anti-biotic material (goods) film that Quinn test method in Ministry of Health of the People's Republic of China's 2002 " disinfection technology standard--bacteriostatic test " and japanese food analytic centre formulate is carried out and is detected, and the antibiotic plastic container cover is respectively 99.99% to the antibiotic rate of Escherichia coli and staphylococcus aureus.Skin irritatin test and acute oral toxicity LD50 test is done by world economy cooperation and development institution Chemical Analysis standard 1981-404 and 1992-420 standard by Hong Kong SGS company, and assay is a nonirritant, nontoxic.Antibiotic PP container closure of plastic has permanent antibacterial action.
Embodiment two:
By nano level metal ionic silver, copper, titanium, zinc, nickel dissolve in equably in the plastic raw materials and fully mix after make mixed plastic particles, the shared percentage by weight of metallic ion is 20% in the mixed plastic particles, plastic raw materials weight accounts for 80% of total weight; Fully mixed with plastic raw materials by mixed plastic particles again, and be injection molded into the long acting antibiotic container closure of plastic of all size, different shape by injection machine, wherein mixed plastic particles accounts for 10% of total weight, and plastic raw materials accounts for 90% of total weight.
In the present embodiment: mixed plastic particles size≤0.5 * 0.5 * 0.5cm.Plastic raw materials is HDPE, PET, PC or ABS plastic.Metallic ion is Ag
++, Cu
++, Ti
++, Zn
++, Ni
++Combination or Ag
+++, Cu
++, Ti
++, Zn
++, Ni
++Combination.Manufacture method is with embodiment 1.
Embodiment three:
By nano level metal ionic silver, copper, titanium, zinc, nickel dissolve in equably in the plastic raw materials and fully mix after make mixed plastic particles, the shared percentage by weight of metallic ion is 30% in the mixed plastic particles, plastic raw materials weight accounts for 70% of total weight; Fully mixed with plastic raw materials by mixed plastic particles again, and be injection molded into the long acting antibiotic container closure of plastic of all size, different shape by injection machine, wherein mixed plastic particles accounts for 5% of total weight, and plastic raw materials accounts for 95% of total weight.
In the present embodiment: mixed plastic particles size≤0.5 * 0.5 * 0.5cm.Plastic raw materials is HDPE, PET, PC or ABS plastic.Metallic ion is Ag
++, Cu
++, Ti
++, Zn
++, Ni
++Combination or Ag
+++, Cu
++, Ti
++, Zn
++, Ni
++Combination.Manufacture method is with embodiment 1.
The characteristics of other embodiments of the invention are: mixed plastic particles is by metallic ion Ag
++Or Ag
+++Or be mixed and made into plastic raw materials; Or by Ag
++With Cu
++, Ti
++, Zn
++, Ni
++In one or more mixing, be mixed and made into plastic raw materials again; Or Ag
+++With Cu
++, Ti
++, Zn
++, Ni
++In one or more mixing, be mixed and made into plastic raw materials again.Plastic raw materials is PP, HDPE, PET, PC or ABS plastic.
Claims (5)
1, long acting antibiotic container closure of plastic is characterized in that: injection molded by nano level metal ion mixed plastic particles and plastic raw materials; Mixed plastic particles dissolve in the plastic raw materials equably by in nano level metal ionic silver, copper, titanium, zinc, the nickel one or two or more kinds and fully mix after make, wherein the shared percentage by weight of metallic ion is 20～30%, and plastics account for 70～80% of total weight; The long acting antibiotic container closure of plastic is mixed with plastic raw materials by mixed plastic particles, and the mold injection of mixing various different sizes, different shape through injection machine forms, and wherein mixed plastic particles accounts for 5～10% of total weight, and plastic raw materials accounts for 90～95% of total weight.
2, long acting antibiotic container closure of plastic as claimed in claim 1 is characterized in that: described mixed plastic particles size≤0.5 * 0.5 * 0.5cm.
3, long acting antibiotic container closure of plastic as claimed in claim 1 is characterized in that: described plastic raw materials is PP, HDPE, PET, PC or ABS plastic
4, long acting antibiotic container closure of plastic as claimed in claim 1 is characterized in that: described metallic ion is A
g ++, A
g +++, Cu
++, T
i ++, Zn
++, N
i ++, described mixed plastic particles is by A
g ++, Cu
++, T
i ++, Zn
++, N
i ++Fully be mixed and made into plastic raw materials; Or by A
g +++, Cu
++, T
i ++, Zn
++, N
i ++Fully be mixed and made into plastic raw materials.
5, the manufacture method of long acting antibiotic container closure of plastic as claimed in claim 1 is characterized in that:
1) is ready in nano level metal ionic silver, copper, titanium, zinc, the nickel one or two or more kinds, after the plastic raw materials fusing, described nano level metal ion is penetrated in the plastics of molten state equably, total weight is 100, the metallic ion weight of adding accounts for 20～30% of total weight, and plastic raw materials weight accounts for 70～80% of total weight;
2) after evenly mixing, mixed plastic particles is made in fusion under 150～250 ℃ condition, tie rod, cooling, cut-out;
3) and then the mixed plastic particles that will account for total weight 5～10% mix with the plastic raw materials that accounts for total weight 90-95%, after evenly mixing, under 150～250 ℃ condition,, manufacture antibiotic PP, HDPE, PET, PC or ABS plastic container cover through injection machine injection moulding moulded section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100275316A CN100402390C (en) | 2004-06-09 | 2004-06-09 | Long-acting antibiosis plastic container cover and its mfg. process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100275316A CN100402390C (en) | 2004-06-09 | 2004-06-09 | Long-acting antibiosis plastic container cover and its mfg. process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1623862A true CN1623862A (en) | 2005-06-08 |
| CN100402390C CN100402390C (en) | 2008-07-16 |
Family
ID=34763393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100275316A Expired - Lifetime CN100402390C (en) | 2004-06-09 | 2004-06-09 | Long-acting antibiosis plastic container cover and its mfg. process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100402390C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892522A (en) * | 2012-12-28 | 2014-07-02 | 浙江伟星实业发展股份有限公司 | Garment and antibacterial zipper |
| CN103980653A (en) * | 2014-05-27 | 2014-08-13 | 东莞市金富实业有限公司 | High-strength antibacterial plastic bottle cap and manufacturing process thereof |
| CN103980655A (en) * | 2014-06-12 | 2014-08-13 | 东莞市金富实业有限公司 | Antibacterial plastic bottle cap and manufacturing process thereof |
| CN104017263A (en) * | 2014-06-12 | 2014-09-03 | 东莞市金富实业有限公司 | High-strength/toughness plastic bottle cap and manufacturing process thereof |
| CN104559038A (en) * | 2015-01-27 | 2015-04-29 | 合肥鳌牌金属制品有限公司 | Plastic cap master batch for producing wine bottles |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240578A (en) * | 1998-07-08 | 2000-01-12 | 中国科学院光电技术研究所 | Long-acting inorganic antibacterial agent and preparation and application thereof |
| CN1290719A (en) * | 2000-11-13 | 2001-04-11 | 宜兴市四通家电配套厂 | Antibiotic plastic and seal strip for refrigerator door |
| CN1473868A (en) * | 2002-08-09 | 2004-02-11 | 杨晶波 | Far infrared negative ion nano plastic and its preparing method |
| CN1230079C (en) * | 2002-12-11 | 2005-12-07 | 山西至诚科技有限公司 | Nanometer optical catalyst bactericidal composition and preparation thereof |
-
2004
- 2004-06-09 CN CNB2004100275316A patent/CN100402390C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892522A (en) * | 2012-12-28 | 2014-07-02 | 浙江伟星实业发展股份有限公司 | Garment and antibacterial zipper |
| CN103980653A (en) * | 2014-05-27 | 2014-08-13 | 东莞市金富实业有限公司 | High-strength antibacterial plastic bottle cap and manufacturing process thereof |
| CN103980655A (en) * | 2014-06-12 | 2014-08-13 | 东莞市金富实业有限公司 | Antibacterial plastic bottle cap and manufacturing process thereof |
| CN104017263A (en) * | 2014-06-12 | 2014-09-03 | 东莞市金富实业有限公司 | High-strength/toughness plastic bottle cap and manufacturing process thereof |
| CN104559038A (en) * | 2015-01-27 | 2015-04-29 | 合肥鳌牌金属制品有限公司 | Plastic cap master batch for producing wine bottles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100402390C (en) | 2008-07-16 |
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Address after: Group of villagers Sha Zhen Ren Zhou Cun Yong Mao 523000 Guangdong city of Dongguan Province Patentee after: JINFU TECHNOLOGY Co.,Ltd. Address before: Group of villagers Sha Zhen Ren Zhou Cun, Guangdong city of Dongguan province Dongguan 523000 Yongmao Jinfu Industry Co. Ltd. Patentee before: DONGGUAN JINFU INDUSTRY CO.,LTD. |
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Granted publication date: 20080716 |