CN101516197B - Insect-repellent fiber - Google Patents
Insect-repellent fiber Download PDFInfo
- Publication number
- CN101516197B CN101516197B CN200780033739.0A CN200780033739A CN101516197B CN 101516197 B CN101516197 B CN 101516197B CN 200780033739 A CN200780033739 A CN 200780033739A CN 101516197 B CN101516197 B CN 101516197B
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- Prior art keywords
- insect
- repellent
- fiber
- repellent fiber
- antioxidant
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Manufacturing & Machinery (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Artificial Filaments (AREA)
Abstract
The invention provides an insect-repellent fiber which is pliable and excellent in fabrication quality. The invention relates to an insect-repellent fiber obtained by melt-spinning an insect-repellent resin composition which comprises a pyrethroid type insect-repellent compound whose vapor pressure is 1 X 10-6 mmHg or lower at 20 DEG C, an antioxidant and an ethylene based resin, characterized in that the content of the pyrethroid type insect-repellent compound in 1 kg of said insect-repellent fiber is from 10 to 300 g, and in that the content of the antioxidant in 1 kg of the insect-repellent fiber is from 250 to 500 mg.
Description
Technical field
The present invention relates to insect-repellent fiber.
Background of invention
By making insect-repellent compound and be used for multiple fields based on the moulded products (for example thin slice) that the resin blend thing moulding of ethene obtains, such as the pest repellant of clothing etc., because this thin slice can keep long disinsectization performance.For example, JP-A-11-277686/1999 discloses laminated material, it comprises by insect-repellent compound and the intermediate layer that forms based on the resin blend thing of ethene, and two outermost layers (referring to JP-A-11-277686/1999) of being made by the thermoplastic resin composition with the function that discharges gradually this insect-repellent compound.
Summary of the invention
Yet, lack flexibility by this insect-repellent compound with based on the insect-repellent fiber that the resin blend thing melt-spun of ethene obtains, therefore be difficult to this insect-repellent fiber is made Web materials etc.
Because the inventor gos deep into effort to what the flexibility of improving this insect-repellent fiber had been done, find that the antioxidant that makes insect-repellent fiber comprise specified quantitative is important, therefore finished the present invention based on this discovery.
The invention provides the insect-repellent fiber by the melt-spun acquisition of insect repelling resin composition, vapour pressure was 1 * 10 when said composition was included in 20 ℃
-6MmHg or lower pyrethroid insect-repellent compound, antioxidant and based on the resin of ethene, this insect-repellent fiber is characterised in that the content of this pyrethroid insect-repellent compound in this insect-repellent fiber of 1kg is 10～300g, and the content of this antioxidant in this insect-repellent fiber of 1kg is 250～500mg.
Insect-repellent fiber of the present invention be deflection and manufacturing of fine quality good.
The description of preferred embodiment
Insect-repellent fiber of the present invention is to be obtained by the melt-spun of insect repelling resin composition, said composition comprises pyrethroid insect-repellent compound, antioxidant and based on the resin of ethene, pyrethroid insect-repellent compound of the present invention vapour pressure in the time of 20 ℃ is 1 * 10
-6MmHg or lower, preferred 1 * 10
-8～1 * 10
-6MmHg.The example of this pyrethroid insect-repellent compound comprises permethrin (permethrin), cyphenothrin (cyphenothrin), d-phenothrin (d-phenothrin), 4-resmethrin (4-resmethrin), sumicidin (fenvalerate), fenpropathrin (fenpropathrin), ether chrysanthemum ester (etofenprox), tralomethrin (tralomethrin) etc.Insect-repellent fiber of the present invention comprises this insect-repellent compound of 10～300g in this insect-repellent fiber of 1kg, can make this insect-repellent compound stably be exuded to its surface in long-time, therefore can keep for a long time its anthelmintic action.The content of this insect-repellent compound in this insect-repellent fiber of 1kg is preferably 20g or more, more preferably 50g or more.Consider the toughness of fiber, the content of this insect-repellent compound in this insect-repellent fiber of 1kg is preferably 200g or lower, more preferably 100g or lower.
Insect-repellent fiber of the present invention comprises the antioxidant of 250～500mg in this insect-repellent fiber of 1kg.The content of this antioxidant in this insect-repellent fiber is preferably 280mg (comprising end points)～450mg (comprising end points), more preferably 300mg (comprising end points)～450mg (comprising end points).The insect-repellent fiber of the present invention that comprises the antioxidant in the above-mentioned particular range has good flexibility, therefore can be easily with its braiding (knit) or weave (weave), in other words, insect-repellent fiber of the present invention has good manufacturing character.
The example that is used for the present invention's antioxidant comprises phenol antioxidant, for example 2,6-di-tert-butyl-4-methy phenol (below be called BHT), stearyl β (3, the 5-tert-butyl-hydroxy phenyl) propionic ester and four [methylene-3 (3 ', 5 '-di-tert-butyl-hydroxy phenyl) propionic ester] methane; The phosphorus antioxidant, for example three (2, the 4-di-tert-butyl-phenyl) phosphite ester, four (2,4-di-tert-butyl-phenyl) 4,4 '-biphenylene bisphosphonates and 6-[3-(3-tertiary butyl-4-hydroxy-5-methyl) propoxyl group]-2,4,8,10-tetra-tert dibenzo [d, f] [1,3,2]-Delnav heterocycle heptane (dioxaphosphepin).These antioxidants can use separately separately, and two or more that perhaps are selected from wherein can be used as the mixture use.The insect-repellent fiber that comprises BHT has good flexibility.
The example that is used for the resin based on ethene of the present invention comprises that density is 0.85～0.93g/cm
3Low density polyethylene (LDPE), LLDPE, density be 0.94g/cm
3Or higher high density polyethylene (HDPE) and ethene and be selected from vinyl carboxylate and the copolymer of at least a monomer of esters of unsaturated carboxylic acids.These copolymers comprise vinyl-vinyl acetate copolymer and ethene-unsaturated carboxylic acid ester copolymer.This vinyl-vinyl carboxylate copolymer can be vinyl-vinyl acetate copolymer.This ethene-unsaturated carboxylic acid ester copolymer can be ethylene-methyl methacrylate methyl terpolymer, ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer etc.Consider the melt-spun machinability of resulting insect-repellent fiber and the balance between the flexibility, the resin based on ethene of the present invention is preferably the mixture of LLDPE and high density polyethylene (HDPE).When this resin based on ethene was the mixture of LLDPE and high density polyethylene (HDPE), the weight ratio of this LLDPE and this high density polyethylene (HDPE) was preferably 5～30: 70～95.
In the manufacture method of insect-repellent fiber of the present invention, for example prepare the masterbatch of pyrethroid insect-repellent compound, then use this masterbatch and carry out melt-spun based on the resin of ethene.Masterbatch herein represents the composition based on the insect-repellent compound of the resin of ethene and high concentration.
Masterbatch for the preparation insect-repellent compound; preferably; this insect-repellent compound is mixed that with porous particle this insect-repellent compound is loaded on this porous particle, then load on it is had the porous particle of this insect-repellent compound to mix with resin and antioxidant based on ethene.This porous particle can be silica etc.When use has the porous particle of too small average grain diameter, the reunion of porous particle occurs easily, the Uniform Dispersion difficult of this porous particle in the mixing of this component.When use has the porous particle of excessive average grain diameter, stop up easily at the spinning process middle filtrator, perhaps resulting fiber ruptures easily, and perhaps the toughness of resulting fiber reduces easily.Therefore, the use of porous particle that has the average grain diameter of 0.01～40 μ m is preferred.Used resin based on ethene LLDPE preferably in the preparation of this masterbatch because the use of LLDPE for process at low temperatures said composition and for suppress this insect-repellent compound in processing procedure loss and the insect-repellent fiber of flexibility further is provided after the melt-spun of said composition is effective.Load on it is had the porous particle, antioxidant of this insect-repellent compound and mediate in extruder etc. based on the resin of ethene, the mixture of mediating is extruded, then granulate.Obtained thus the masterbatch of this insect-repellent compound.
If the masterbatch of this insect-repellent compound that will as above obtain with extruder and mediate based on the mixture of the resin of ethene and the antioxidant that needs, and extrude as strand.With the cooling of this strand and in heating bath with unwinding speed (take-off rate) unwinding of 20～150m/min, insect-repellent fiber is provided thus.Consider machinability, be used for and the resin based on ethene that the masterbatch of this insect-repellent compound combines is preferably high density polyethylene (HDPE).
In the present invention, the amount that need to regulate antioxidant according to preparation condition (such as temperature etc.) is so that the content of this antioxidant in the resulting insect-repellent fiber of 1kg can be 250～500mg.Especially, with extruder the BHT based on the resin of ethene and 0.1～2wt% of pyrethroid insect-repellent compound, 50wt% or the porous particle still less of 0.5～30wt%, 30～90wt% is mediated the masterbatch of this insect-repelling compound of preparation under 150～250 ℃ temperature.In addition, with extruder this masterbatch of 5～30wt% and the resin based on ethene of 70～95wt% are mediated under 150～250 ℃ temperature, should be mediated mixture and extrude as strand.With the cooling of this strand and in heating bath with the unwinding speed unwinding of 20～150m/min, to obtain insect-repellent fiber of the present invention.When the concentration of this antioxidant in this masterbatch is lower than 0.1wt%, can randomly 0.3 weight portion or this antioxidant still less be added in this masterbatch of 100 weight portions.
Insect-repellent fiber of the present invention can comprise UV absorbent, antistatic additive, lubricant, antiblocking agent, pigment, nucleator, metallic soap etc.And, insect-repellent fiber of the present invention can comprise other reactive compounds, insect disinfestation component for example is such as the pyrethroid coumpound the pyrethroid coumpound that refers in particular in the present invention, desinsection or deinsectization active component, antibiotic and antifungal component etc.
Weave or weave to provide Web materials with any known method with insect-repellent fiber of the present invention.Make to provide mosquito net etc. with braiding or the weaving material of this insect-repellent fiber.
Embodiment
The below will be described in more detail the present invention by the mode of embodiment, and embodiment never should be interpreted as limiting scope of the present invention.
Following making an appraisal.
(1) BHT component analysis
Sample (1g) is accurately weighed, and put into the conical flask with cover of 30ml.Add therein oxolane (10ml), with ultrasonic with this sample extraction 60 minutes.Then make this extract by 0.45 μ filter, filtrate is used as analytic sample.
Independently, prepare the solution of the BHT that contains concentration known to obtain analytic curve.
Under following analysis condition, carry out gas-chromatography:
Instrument: gas chromatograph-mass spectrometer
Post: ULTRA ALLOY+5
Temperature: 100 ℃ kept 1 minute, and then the speed with 10 ℃/min is elevated to 300 ℃ of carrier gas: helium
(2) analysis of insect-repellent compound
Sample (about 2g) is put into boiling flask also accurately weighs.Then add therein inner mark solution (di-n-octyl phthalate/dimethylbenzene of 6000ppm) (5ml), then add dimethylbenzene (45ml).This flask is fixed on the reflux, at 75 ℃ with this sample extraction 2 hours.With the extract cooling, and use gas chromatographic analysis.
Analytical conditions for gas chromatography is as follows:
Detector: flame ionization detector
Post: DB-17 capillary column
Column temperature: 225 ℃
Gasification chamber temperature: 270 ℃
Detector temperature: 280 ℃
(3) mensuration of the elasticity of elongation modulus of insect-repellent fiber
Test according to the method for testing that is used for artificial filament's yarn among the JIS L 1013.Condition determination is as follows in detail:
Test condition: 23 ℃ and 50%RH
Assay method: method A
Clamp spacing: 200mm
Pulling speed: 20mm/min
Elongation: 3%
Embodiment 1
(1) preparation of masterbatch
(vapour pressure 20 ℃ the time is 5 * 10 with porous particle (average grain diameter is the porous silica of 12 μ m) (35.5 weight portion) with as the permethrin of pyrethroid insect-repellent compound with mixer
-7MmHg) (38.1 weight portion) mixes.Further add BHT (1.1 weight portion), zinc stearate (21.7 weight portion) and blue pigment (ultramarine violet) (3.6 weight portion) and mixing to obtain the mixture of insect-repellent compound-containing.
Mixture (41.5 weight portion) and LLDPE (LLDPE) (Sumitomo Chemical Company, the Sumikathene L GA807 of Limited preparation with this insect-repellent compound-containing; Density=0.913g/cm
3) (58.5 weight portion) mix, this mixture is extruded under the die head temperature of 200 ℃ melt kneading district temperature and 200 ℃ with double screw extruder.This strand of extruding is cooled off it by bosh, then obtain comprising the master batch of 0.38wt%BHT and 15.8wt% permethrin with granulator cutting.
(2) preparation of insect-repellent resin composition
With above-mentioned master batch (14wt%) and high density polyethylene (HDPE) (HDPE) (MITSUICHEMICALS, the HI-ZEX 5000S of INC. preparation; Density=0.950g/cm
3) (86wt%) mix, this mixture is extruded under the die head temperature of 210 ℃ melt kneading district temperature and 210 ℃ with double screw extruder.This strand of extruding is cooled off it by bosh, then obtain the pill of this insect-repellent resin composition with granulator cutting.This pill comprises 0.044wt%BHT and 2.0wt% permethrin.
(3) preparation of insect-repellent fiber
With above-mentioned insect-repellent resin composition melt-spun.The strand of this resin combination that will extrude under the die head temperature of 130～210 ℃ barrel temperature and 230 ℃ with extruder is with the first unwinding speed unwinding of water-cooled while with 13m/min, then be introduced into and draw in the tank (drawingwater tank), and draw in the tank under fluidized state (95 ℃ or higher) with the second unwinding speed unwinding of 105m/min at this.Obtain thus fiber number and be 182 Denier and to draw multiplying power as 8 insect-repellent fibers that draw longlyer.BHT and the permethrin content in this fiber of 1kg is respectively 400mg and 20g.The elasticity of elongation modulus of resulting insect-repellent fiber (elongation elastic modulus) is 7%, and this fiber is deflection.
Comparative Examples 1
Repeat embodiment 1, just in the preparation of (1) masterbatch, melt kneading district temperature and the die head temperature of this double screw extruder are changed into respectively 260 ℃ and 210 ℃, and the masterbatch of per 100 weight portions adds the BHT of 0.43 weight portion in the preparation of (2) insect-repellent resin composition, so the concentration of BHT in this masterbatch is 0.08wt%.Acquisition has the insect-repellent fiber of the fiber number of 1 80 Denier thus.BHT and the permethrin content in this fiber of 1kg is respectively 550mg and 19g.
The elasticity of elongation modulus of resulting insect-repellent fiber is 5%, and this fiber lacks flexibility.
Comparative Examples 2
(1) preparation of masterbatch
With with embodiment in identical mode prepare masterbatch, just use HDPE (MITSUICHEMICALS, the HI-ZEX 5000S of INC. preparation) to replace used LLDPE among the embodiment 1.In this operation, melt kneading district Temperature Setting is 210 ℃, and die head temperature is set as 210 ℃.Yet it is very violent to generate heat, and melt kneading district temperature is elevated to 300 ℃.BHT and the permethrin content in this masterbatch is respectively 0.14wt% and 15.4wt%.
(2) preparation of insect-repellent resin composition
With above-mentioned masterbatch (14wt%), HDPE (MITSUI CHEMICALS, INC. the HI-ZEX 5000S of preparation) (82wt%) and LLDPE (Sumitomo Chemical Company, the Sumikathene L GA807 of Limited preparation) (4wt%) mixes, this mixture is extruded under the die head temperature of 210 ℃ melt kneading district temperature and 210 ℃ with double screw extruder.Yet this melt kneading district temperature is elevated to 290 ℃.Make this strand of extruding by bosh and cooling.Then cut this strand to obtain the pill of this insect-repellent resin composition with granulator.BHT and the permethrin content in this pill is respectively 0.018wt% and 1.9wt%.
(3) preparation of insect-repellent fiber
Use above-mentioned insect-repellent resin composition take with embodiment 1 in identical mode obtain fiber number as the insect-repellent fiber of 179 Denier.BHT and the permethrin content in this fiber of 1kg is respectively 160mg and 19g.The elasticity of elongation modulus of this insect-repellent fiber is 4%, and this fiber lacks flexibility.
Table 1
The below has listed main scheme for implementing said method of the present invention and preferred embodiment.
By the insect-repellent fiber that the melt-spun of insect-repellent fiber composition obtains, vapour pressure was 1 * 10 when said composition was included in 20 ℃
-6MmHg or lower pyrethroid insect-repellent compound, antioxidant and based on the resin of ethene, it is characterized in that the content of described pyrethroid insect-repellent compound in the described insect-repellent fiber of 1kg is 10～300g, and the content of wherein said antioxidant in the described insect-repellent fiber of 1kg is 250～500mg.
According to the insect-repellent fiber of [1], wherein said antioxidant is 2,6-di-tert-butyl-4-methy phenol.
According to the insect-repellent fiber of [1] or [2], wherein said resin based on ethene is the mixture of LLDPE and high density polyethylene (HDPE).
According to each insect-repellent fiber in [1]～[3], wherein said insect-repellent resin composition further comprises porous particle.
This application requires the Paris Convention priority of Japanese patent application No. 2006-245253, and its full content is by with reference to introducing herein.
Claims (1)
1. the insect-repellent fiber that is obtained by the melt-spun of insect-repellent resin composition, vapour pressure was 1 * 10 when said composition was included in 20 ℃
-6MmHg or lower pyrethroid insect-repellent compound, antioxidant and based on the resin of ethene, it is characterized in that the content of described pyrethroid insect-repellent compound in the described insect-repellent fiber of 1kg is 10～300g, and the content of wherein said antioxidant in the described insect-repellent fiber of 1kg is 250～500mg
Wherein said antioxidant is 2,6-di-tert-butyl-4-methy phenol,
Wherein said resin based on ethene is the mixture of LLDPE and high density polyethylene (HDPE), and
Wherein said insect-repellent resin composition further comprises porous particle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP245253/2006 | 2006-09-11 | ||
| JP2006245253 | 2006-09-11 | ||
| PCT/JP2007/068009 WO2008032844A2 (en) | 2006-09-11 | 2007-09-10 | Insect-repellent fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101516197A CN101516197A (en) | 2009-08-26 |
| CN101516197B true CN101516197B (en) | 2013-03-13 |
Family
ID=39092182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780033739.0A Expired - Fee Related CN101516197B (en) | 2006-09-11 | 2007-09-10 | Insect-repellent fiber |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101516197B (en) |
| WO (1) | WO2008032844A2 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7811952B2 (en) | 2006-04-20 | 2010-10-12 | Southern Mills, Inc. | Ultraviolet-resistant fabrics and methods for making them |
| WO2008083017A2 (en) * | 2006-12-29 | 2008-07-10 | Southern Mills, Inc. | Insect-repellant fabrics and methods for making them |
| EP2106696A1 (en) * | 2008-04-04 | 2009-10-07 | Bayer CropScience AG | Materials with embedded insecticides and additives |
| WO2009121580A2 (en) * | 2008-04-04 | 2009-10-08 | Bayer Cropscience Aktiengesellschaft | Materials having embedded insecticides and additives |
| TW201028088A (en) | 2008-08-06 | 2010-08-01 | Vestergaard Frandsen Sa | Insecticidal polymer matrix comprising PBO and DM |
| TW201018757A (en) * | 2008-08-06 | 2010-05-16 | Vestergaard Frandsen Sa | Insecticidal polymer matrix comprising HDPE and LDPE |
| CN102655741A (en) * | 2009-12-25 | 2012-09-05 | 住友化学株式会社 | Insect pest controlling resin composition |
| EP2377399A1 (en) | 2010-04-15 | 2011-10-19 | Bayer Cropscience AG | Polymer material containing insecticide |
| EP2377395A1 (en) | 2010-04-15 | 2011-10-19 | Bayer CropScience AG | Non-woven fabric containing insecticide |
| WO2012164080A1 (en) | 2011-06-03 | 2012-12-06 | Intelligent Insect Control | Insecticidal polyethylene fiber, yarn or textile products with improved migration profiles and washing resistance |
| CN104838060B (en) * | 2012-12-04 | 2017-08-25 | 拜尔农作物科学股份公司 | The method for preparing the fabric comprising insecticide |
| CN108677264A (en) * | 2018-06-04 | 2018-10-19 | 苏州市亚澳纤维科技有限公司 | A kind of pest-resistant fiber of weaving |
| CZ309702B6 (en) * | 2019-09-11 | 2023-08-09 | Nano Medical s.r.o | Insecticide for protecting wood against pests |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2794590B2 (en) * | 1989-04-13 | 1998-09-10 | 大日本除蟲菊株式会社 | Insect net |
| DE9012996U1 (en) * | 1990-09-12 | 1991-10-10 | Perycut Chemie Ag | |
| JPH08163950A (en) * | 1994-05-19 | 1996-06-25 | Tokyo Ink Kk | Resin net for controlling pest insect |
| DE19605581A1 (en) * | 1996-02-15 | 1997-08-21 | Bayer Ag | Insecticidal compositions based on polymers |
| MY143098A (en) * | 2004-09-09 | 2011-03-15 | Sumitomo Chemical Co | Arthropod controlling agent |
-
2007
- 2007-09-10 CN CN200780033739.0A patent/CN101516197B/en not_active Expired - Fee Related
- 2007-09-10 WO PCT/JP2007/068009 patent/WO2008032844A2/en active Application Filing
Non-Patent Citations (1)
| Title |
|---|
| JP特开平8-163950A 1996.06.25 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008032844A2 (en) | 2008-03-20 |
| CN101516197A (en) | 2009-08-26 |
| WO2008032844A3 (en) | 2008-06-19 |
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