CN1711118A - Clothing for partial protection of the body against biological agents - Google Patents
Clothing for partial protection of the body against biological agents Download PDFInfo
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- CN1711118A CN1711118A CNA2003801033591A CN200380103359A CN1711118A CN 1711118 A CN1711118 A CN 1711118A CN A2003801033591 A CNA2003801033591 A CN A2003801033591A CN 200380103359 A CN200380103359 A CN 200380103359A CN 1711118 A CN1711118 A CN 1711118A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D5/00—Composition of materials for coverings or clothing affording protection against harmful chemical agents
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
- A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/006—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Textile Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to clothing, manufactured by polypropylene and polyethylene, usable as a partial protection of the body, in particular suitable as barrier against biological agents. The clothing provides a very high level of protection against the penetration of liquids and microorganisms, excellent mechanical properties, including tear and abrasion resistance, outstanding softness, drapeability and comfort.
Description
Invention field
The present invention relates to be suitable for the vectorial clothes of protection against biological.
Prior art
In some cases, the operative employee will be exposed to infectious biological medium, and just microorganism comprises that those have passed through genetically altered microorganism, and those may produce communicable diseases, the microorganism of allergy or poisoning.
In some cases, for example microbiological laboratory and bioengineering production, the vehicle of infection is normally well-known.
In the work of other type, may and not know the medium that the operative employee is exposed, only can assess contingent danger; This situation occurs in as in agricultural production, waste disposal, especially clinical waste, animal doctor laboratory, the emergency processing.
In all these situations, protective garment is to prevent that vehicle of infection contact skin is necessary.
Protective garment can be made by reproducible material, also can be made by disposable material.
The standard of safe, effective, comfortable protective barrier is satisfied in trial, has developed many materials and manufacturing technology.
About recyclable materials, from 20 beginnings of the century to early 1970s, used the fabric of several differentiation: beginning is bafta, because it is easy to infiltration, the ability that does not have any impedance liquid, change a kind of polyester and cotton blend fabric into, change close brocade or polyester and cotton blended fabric then into waterproof chemical skin with mechanical property of improvement.
In the eighties in 20th century, develop yarn fabric of new generation, for example the close fabric of being made by the continuous filament yarn yarn sometimes is to be made by very thin silk (microfibre), these silks can and may pass through calendering to strengthen anti-liquid penetration power through chemical finishing.
All above-mentioned woven fabric depend on the interlocking geometric shape complete preservation barrier are provided.
Disposable protective clothing is made of non-woven material usually, and it relies on fiber adhering technique (heating power, chemistry or physics) to obtain complete sum intensity.
Basic raw material is various forms of natural fibers (for example cotton and wood pulp) and synthetic fibers (for example polyester and polyolefin).
By using special fiber type, bonding process and textile finishing, Fabric Design can be obtained desired properties.
In a word, but the fiber mechanical adhesion makes fibre matting (spunlace) by the high speed water column; The heating power bonding is by series connection melt spinning (spunbond); Chemical bonding is by chemical adhesive (wetlaid).
Typically, nonwoven fabric is made by polyolefin.
Renewable product and disposable products all often improve or improve performance by strengthening; For special applications, additional materials is usually with material extra play, coating, reinforce or laminate form (whole or local) interpolation.
Especially, second layer fabric is used to improve anti-liquid penetration and skid resistance sometimes, and perhaps second layer chemicals is used for strengthening and providing fire resistance characteristic.
Open by the various protective garments that said method makes: in EP 0 365 559 B1 (priority GB 8714535) for example.
Polyethylene is one of the most frequently used material, and preparation several types polyethylene is used for different occasions.
Wherein, Tyvek board protective materials is a spunbonded olefin, is made by thermo-compression bonding by the continuous filament yarn of very thin high density polyethylene (HDPE) together.
These materials are open, for example in EP 850330 and US 4321781.
Especially, also have all by these materials and make, they have very high anti-liquid, powder and chemical moral character, but aspect tear resistance and mar proof, and so ineffective aspect drapability, pliability and gas permeability.
All these aspects are the same with barrier propterty important, consider that protective materials should enough firmly can bear stress suffered in the common use, and are primary importance with comfortable relevant performance in very critical operative scenario.
Therefore, need constantly seek the new protective garment with improvement effect, it provides the suitable anti-liquid and the protective effect of microorganism infiltration, provides other important effect performance to comprise anti-mechanical force and comfortableness simultaneously.
In a word, we have found the new clothes made by polypropylene and polyethylene to be used to protect the human body privileged site, especially as the vectorial barrier of protection against biological now.
Clothes of the present invention are overcoat, jacket and trousers, and they provide the very high anti-liquid and the protective effect of microorganism infiltration, and excellent mechanical property comprises tear resistance and mar proof, outstanding pliability, drapability and comfortableness.
Content of the present invention
The present invention relates to be suitable for the biological vectorial clothes of localised protection physical protection.
These clothes have had one deck polypropylene non-woven material lamination polyethylene film, wherein polypropylene in the Unit Weight and polyethylene ratio range are from 70: 30 to 50: 50, preferably from 65: 35 to 55: 45.
Typically, these clothes are by one deck nonwoven polypropylene, and polyethylene film is made on the lamination, polypropylene layer thickness between 240 to 270 microns, Unit Weight between 35 to 45g/m
2, polyethylene film thickness between 30 to 70 microns, Unit Weight between 20 to 30g/m
2
The gross thickness of this material is between the 270-340 micron, Unit Weight between 55 to 75g/m
2
Especially, these clothes preferably by one deck nonwoven polypropylene, make on the lamination by polyethylene film, polypropylene layer thickness between 245-255 micron, Unit Weight between 37.5 to 40.0g/m
2, polyethylene film thickness between 40 to 60 microns, Unit Weight between 22.5 to 27.5g/m
2Preferred this clothes thickness is between the 28.5-31.5 micron, Unit Weight between 60.0 to 67.5g/m
2
Internal layer is the nonwoven spunbonded materials of being made by the polypropylene continuous filament yarn.
Internal layer is given high drapability and comfortableness, in addition physiological safety and gas permeability except the barrier that opposing liquid and microorganism are provided.
Outer made by the microporous polyethylene film, wherein aperture size is enough little of preventing that liquid and microorganism from passing through, but allows moisture to pass through with molecular level simultaneously, thereby guarantees good permeability.
Two kinds of materials with form separately, suitable ratio combination, have been obtained the combination of physical and chemical performance and the combination of drapability and comfortableness, and this is at present known the body local protective clothes to be failed to reach.
Especially, the pliability of this material is guaranteed the high and comfortableness excellence of drapability in any case, can't the barrier propterty of liquid and microorganism be had a negative impact, compare with more highdensity known materials on the contrary, the barrier propterty of this material quite or higher as a result.
And tear resistance and mar proof are enough strong, to bear suffered stress under urgent service condition.
Clothes material object of the present invention is dustcoat, jacket and trousers.
The particular requirement of existing rule is deferred in this dress designing, especially defers to Directive 686/89 CE (Italian D.L.475-04.12.92).
Because depend on the clothes kind, this design is only guaranteed the protection of human body privileged site, dress so these clothes must protect clothing with gloves and other, to guarantee the protection to all the other positions of health.
Especially, overcoat of the present invention and jacket can with the supporting use of trousers of the present invention.
As an example, Fig. 1 is the pattern of dustcoat; At positive (1a), its protection human body exposed portions is neck root, chest, arm and leg and knee for example.
Be enclosed within wrist portion outward and be equipped with and the wrist intact elastic tape of fitting, to isolate contacting of arm and potential hazard.
Assemble all attaching parts by hot weld, guarantee high protective like this, suitable with material protection.
Dustcoat (1b) are overleaf opened, and allow the people be easy to put on, then can two closures by the fastener after four promptly inboard two and the outside on.
The clothes of making and designing, the place of avoiding stimulating the user or making user's inflammation conversely.
For example, externally cover has carried out particular detection, to estimate finishing technique and roughness.The overcoat of check meets security and the health requirement of the D.L.n.475 on date 04/12/92, and the result meets the regulation of standard EN 340/94 about the ergonomics aspect.
In order to make each operator comfortable and easy to wear, and prevent to damage dress material, make the clothes of a plurality of sizes in any workplace.
For example, meet the size of overcoat of the different sizes of standard EN 340, be listed in the table below, unit centimetre, tolerance+/-3%.
The small size medium size large size of size
Long 110 120 130
Chest measurement 130 134 140
Shoulder breadth 56 59 62
It is wide by 58 59 62 to tuck inside the sleeve
In common environment, measure according to detection method ISO 3635/ ' 81 in 20 ℃, 65% R.H..
Preparation method is a benchmark with the rules of making protective garment.
Material is through cutting, and punching is chosen different parts according to different sizes, puts on number then.Check the size of different parts then, different parts are made clothes through hot weld.
Add label in the clothes inboard then.
Except manufacturer's title, label comprises model, conventional sign, size, bio-toxicity legend.
Especially, the mark clothes meet about the European standard (CE) at the vectorial protective garment of biology.
Give user's information wording explicit, the CE sign is obviously clear, to guarantee to meet basic safety and health requirement; Fig. 2 gives the outgoing label sample.
Last in manufacturing process implemented monitoring, checks that all parts are correctly combined, checks that the structure of the stack of different layers and formation is consistent with operating instruction.
Especially to check sealing place, mark uniformity and mark position.
At last,, clothing is folded, pin is pegged, insert descriptive information, the packing clothes for clothing protection be it's time to use.
The clothes of Zhi Zuoing are suitable for protection against biological medium such as bacterium, parasite, fungi and virus like this.
To any microorganism, comprise that those have passed through genetically altered microorganism, cell culture and people's endoparasite that may cause any infection, allergy or poisoning, these clothes are effective.
Especially to can be by the microorganism of blood and body fluid communication, for example hepatitis b virus (HBV), hepatitis C virus (HCV), HIV (HIV), to causing the medium of BSE and other TSE, to bacillus anthracis, these clothes are effective.
These clothes can be used for the operator may be exposed to any occasion of various forms as liquid state, gaseous state, aerosol or solid-state different types of dangerous substance.
The workplace example that is exposed to vehicle of infection danger is arranged is bioengineering production, health care work (comprise isolate with after death stage), chemical-biological work, animal doctor and diagnostic laboratories, destructor plant work, with animal and/or be derived from animal product the operation that contacts is arranged.
These clothes can be through work clothes commonly used outside.Only when the correctly dress of these clothes, fastening and size are suitable, just in order to be effective.
For the technical performance of assessment overcoat, carried out some experiments, the result presents as follows.These results do not contain any restriction only in order to illustrate.
Protective
The primary performance of protective garment is to provide suitable protection to render a service at the microorganism infiltration.
Usually generally acknowledge that liquid is the most important vector of microorganisms spreading, other possible vector comprises air and aerosol; In addition, the anhydrous infiltration of microorganism that causes of mechanism also is possible.
Therefore, effectively microbial protection must can both be resisted the moist and anhydrous infiltration of microorganism.
Carry out a series of tests (test 1-3), judged the barrier propterty of overcoat of the present invention.
This experiment test carries the impermeability of pathogen to blood continuing material under the liquid contact conditions, and blood carries pathogen and used the microorganism substitute.
Test divides two parts:
A) material bears lasting increased pressure, uses the artificial blood of simulate blood and other body fluid; The visual observation artificial blood is to the infiltration of material.A) part is as screening test.
B) test material is to the impermeability of microorganism substitute, and the microorganism substitute is a kind of microorganism of simulating other human body cause illness microorganism
The artificial blood simulated body fluid; Many factors can influence the wetting and Penetration Signature of body fluid, for example surface tension of liquid, viscosity and polarity
Surface tension scope circle of blood and body fluid (except the saliva) is in about 0.042-0.060N/m.The surface tension of analogies is adjusted to the lower edge near this surface tension scope, i.e. 0.042 (+/-0.002) N/m.
The microorganism substitute of using in this test is the Phi-X174 bacteriophage, and it is not pathogenic but be used for simulating virus to the human disease to human body
It is one of virus of known minimum, 0.027 micron of its diameter, and with similar to HCV in shape, HCV is minimum bloodborne pathogens, 0.03 micron of diameter in size.Therefore, the Phi-X174 bacteriophage also is used as the substitute of HBV (0.042 micron) and HIV (0.10 micron).
Result of the test:
1a) screening test-to the impermeability of artificial blood
Test method comprises and is determined at that protective materials is to the impermeability of biofluid under the different static pressure that biofluid has used artificial blood.
Test is based on ASTM F 1670, as screening experiment.
Get three 75mm * 75mm sample at random and test, temperature 25 (+/-5) ℃, relative humidity 52%, each pressure kept 5 minutes.
For each sample at different pressures, the visual observation artificial blood is to the infiltration of material, and record passes through (P) when not permeating, and record failure (F) when infiltration.
The result is as follows:
Pressure (Kpa) sample 1 sample 2 samples 3
0 P P P
1.75 P P P
3.50 P P P
7.00 P P P
14.00 P P P
20.00 P P P
Repeat above-mentioned test with hot weld place sample, obtain equifinality.
1b) test method is to the vehicle of infection, the impermeability of Phi-X174 bacteriophage
This test is used to test the impermeability of protective materials to the vehicle of infection, uses bacteriophage PhiX-174 as test system.
This test only is used for by screening test material a), and test is based on ASTM F 1671.
Getting three 75mm * 75mm sample from material at random tests.
Sample is subjected to containing the nutrient solution effect of virus, applies step by step pressure to it, and each 5 minutes, temperature 21 (+/-5) ℃.
Every grade of infiltration that detects microorganism, even do not see the liquid infiltration.
When the pfu/ml that penetrates sample at setting pressure (every milliliter in groups on spot)＜1, this sample is by this test; When three samples all passed through, this material was by the test of setting pressure level.
The result is as follows:
14.00Kpa 0pfu/ml 0pfu/ml 0pfu/m1
Test 2 pairs of aerocolloidal impermeabilities of biological pollution
Test with the Perspex box that has the Collison sprayer.
The solution spray that contains microorganism staphylococcus aureus ATCC 6538 (NCIMB 9518) is in box.Low pressure is used to be collected in contaminated aerocolloidal droplet on the membrane filter.One of them filter has protected with protective clothing material.
Remove filter then, extract microorganism, count after cultivating a whole night at 37 ℃.
The ratio of the bacterium of finding on protection and unshielded filter is used to estimate the protective of protective clothing material.
Four samples (diameter 25mm circle) carry out test in 7 minutes.
According to the microorganism of penetrable material, the result is as follows:
0％ 0％ 0％ 0％
The impermeability of the dust of 3 pairs of biological pollutions of test
Test is based on EDANA method 190.0-89/ ' 96.
Powder is polluted by hay bacillus spore ATCC 9372 (CIP A4); Instigated powder 30 minutes to protective clothing material then.
The microorganism of penetrable material is in 35 ℃ of cultivations numeration after 24 hours.
Test with six 200mm * 200mm sample, one of them is as pollution-free sample.
The result is as follows:
Sample 12345 Ref.
Microorganism 000000
Mechanical property
For the performance of assessment material, other performance also is important, for example bears the performance of mechanical stress in using usually, and mechanical stress may be destroyed material, therefore will influence barrier propterty conversely.
Test the mechanical property that (test 4-8) assesses clothes
Test 4 mar proofs
Mar proof is by using 00 sand paper, Martindale method and a J.Heal instrument to measure.
Under 20 (+/-2) ℃, relative humidity 65%, pressure 9Kpa, test four samples, on material, form the hole (detecting) of first diameter 0.5 by stereoscope.
According to forming first hole cycle-index, the result is as showing:
Sample 1234 is average
Cycle-index 2,880 3,300 2,500 2,500 2795
This method is divided into level Four with material, the superlative degree be 4 grades (＞500cycles), illustrative material has the highest mar proof.
Therefore, according to test, material list of the present invention reveals in use the highest mar proof.
The result of the test tabulation of assessing other mechanical property shows below.
Test 5 tear resistances trapezoid method-UNI EN ISO 9073/ ' 99
Machine direction tear=59.4 (+/-10.1) N
Cross direction tear strength=35.2 (+/-5.7) N
Test 6 warp resistance cracking behavior
Method ISO 7854/ ' 84
Sample, just damages up to circulating at 100.000 times without any damage at the 10x circulation time.
Test 7 anti-opening property (Grab method)
Method UNIENISO 13935-2/ ' 01
Sample: 100 * 250mm
Temperature: 20+/-2 ℃
Relative humidity: average 65%
Average fracture strength=72.2 (+/-4,6) N
Test 8 puncture resistances
Method UNI EN 863/ ' 96
Puncture resistance=12.4N
Flame resistance
The usual use in the protective garment has many potential burning things which may cause a fire disaster.
All materials all can burn applying under the high strength thermal source condition, especially in oxygen environment.
For the flame resistance of assessment clothes of the present invention, test.
Test 9 flame resistances
This test is based on EN 1146/ ' 97 methods, the flame of serviceability temperature 800 (+/-50) ℃ high 40mm.By propane gas and Bunsen burner (bursen), obtain this flame according to EN/532/ ' 94 regulations.
Test five samples, without any the vehement sign of after-burning and back.
Chemical-resistant
In daily use, material may touch chemicals such as clinical preparation, skin antiseptic, lubricant, oils.
Because these chemicals can corrosion materials, the result has influence on barrier propterty, is first important so protective garment has suitable chemical-resistant.
Use four kinds of different liquid chemicals to test.
Test the impermeability of 10 liquid towards chemicals
Test is based on UNI EN 588 methods.
Use three kinds of different chemical product, in 20 (+/-2) ℃, relative humidity 65%, three samples are tested in per 10 (+/-1) of flow velocity 10ml second.
Measure some parameters, mean value is as follows:
See through (%) and repel (%) absorption (%)
H2S04?30％ 0 86.4 8.6
NaOH?10％ 0 86.0 10.2
Normal heptane 0 78.7 7.0
Isopropyl alcohol 0 82.1 8.4
The resistance of binding site
At last, consider seam at protective garment, junction and assembling place may be easier the infiltration of generation liquid, the water permeability test that carries out at binding site.
Test the water permeability resistance under the rising of 11 static pressure
Test is used TEXTTEST FX 3000 instruments based on UNI EN 20811/ ' 93 methods, with the speed raising hydraulic pressure of per minute 60cm.
Test is carried out under 20+/-2 ℃, 65%RH., water temperature 20+/-2 ℃.
Hydraulic pressure result when binding site has the 3rd water droplet to see through is with cm H
2O and Pa represent.
cm?H
2O Pa
Sample 2 304 29800
Sample 4 206 20200
Sample 5 266 26100
Claims (14)
1. be suitable for the biological vectorial novel protective garment of localised protection physical protection; be pressed into by one deck polypropylene and one polyethylene layer; these clothes provide the very high anti-liquid and the protective action of microorganism infiltration; excellent mechanical property comprises anti-tear strong and mar proof; outstanding pliability, drapability and comfortableness.
2. as claim 1 described novel protective garment, it is characterized in that these clothes are dustcoat, jacket and trousers.
3. as the claim 1 described clothes that is used for the localised protection human body, it is characterized in that internal layer is the nonwoven polypropylene layer, skin is a polyethylene film, and polypropylene in the Unit Weight and polyethylene ratio range were from 70: 30 to 50: 50.
4. as the claim 1 described clothes that is used for the localised protection human body, it is characterized in that internal layer is the nonwoven polypropylene layer, skin is a polyethylene film, and polypropylene in the Unit Weight and polyethylene ratio range were from 65: 35 to 55: 45.
5. as the claim 3 described clothes that are used for the localised protection human body, the thickness that it is characterized in that this material is between 270 to 340 microns, Unit Weight between 50 to 70g/m2.
6. as the claim 3 described clothes that are used for the localised protection human body, the thickness that it is characterized in that the internal layer nonwoven polypropylene between 240 to 270 microns, Unit Weight between 35 to 45g/m
2, the thickness of outer layer polyethylene film between 30 to 70 microns, Unit Weight between 20 to 30g/m
2
7. as the claim 3 described clothes that are used for the localised protection human body, the thickness that it is characterized in that this material is between 285 to 315 microns, Unit Weight between 60.0 to 67.5g/m
2
8. as the claim 3 described clothes that are used for the localised protection human body, the thickness that it is characterized in that the internal layer nonwoven polypropylene between 245 to 255 microns, Unit Weight between 37.5 to 40.0g/m
2, the thickness of outer layer polyethylene film between 40 to 60 microns, Unit Weight between 22.5 to 27.5g/m
2
9. as the claim 1 described clothes that is used for the localised protection human body, wherein seam crossing is made with hot weld.
10. as claim 2 described dustcoat, around wrist elastic tape is housed, the neck fender is housed, four fasteners are housed rearward, two inboard and two in the outside.
11. as claim 1 described local human clothing, resisting biological medium as protective garment is microorganism (bacterium, parasite, fungi, virus), comprise that those have passed through genetically altered microorganism, the application of cell culture and people's endoparasite that may cause any infection, allergy or poison.
12. as claim 11 described application, it is characterized in that above-mentioned biological medium be can be by blood and body fluid communication microorganism (HBV, HCV, HIV).
13., it is characterized in that above-mentioned biological medium is the medium that causes BSE and other TSE as claim 11 described application.
14. as claim 11 described application, wherein biological medium is bacillus anthracis.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITPS202A000023 | 2002-11-14 | ||
| IT000023A ITPS20020023A1 (en) | 2002-11-14 | 2002-11-14 | PARTIAL BODY PROTECTION CLOTHES AGAINST BIOLOGICAL AGENTS. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1711118A true CN1711118A (en) | 2005-12-21 |
Family
ID=32310186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003801033591A Pending CN1711118A (en) | 2002-11-14 | 2003-11-11 | Clothing for partial protection of the body against biological agents |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1560632A1 (en) |
| JP (1) | JP2006507416A (en) |
| CN (1) | CN1711118A (en) |
| AU (1) | AU2003288724A1 (en) |
| BR (1) | BR0316369B1 (en) |
| CA (1) | CA2506079A1 (en) |
| IT (1) | ITPS20020023A1 (en) |
| PL (1) | PL376773A1 (en) |
| WO (1) | WO2004043544A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107529840A (en) * | 2015-04-28 | 2018-01-02 | 东丽株式会社 | Waterproof Breathable cloth and silk and protection against infection clothes |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1580161A (en) * | 1977-10-12 | 1980-11-26 | Howmedica Manag Tech | Package and process for producing such a package |
| US5059477A (en) * | 1982-03-12 | 1991-10-22 | Henriksen Henning R | Protective garment |
| US4855178A (en) * | 1988-05-02 | 1989-08-08 | E. I. Du Pont De Nemours And Company | Composite chemical barrier fabric |
| JP2737236B2 (en) * | 1989-04-18 | 1998-04-08 | 住友化学工業株式会社 | Method for producing breathable film |
| WO1993024321A1 (en) * | 1992-05-29 | 1993-12-09 | E.I. Du Pont De Nemours And Company | Composite chemical barrier fabric for protective garments |
| US5509142A (en) * | 1993-06-30 | 1996-04-23 | Kimberly-Clark Corporation | Raised arm coveralls |
| US5487189A (en) * | 1994-03-16 | 1996-01-30 | Kimberly-Clark Corporation | Coveralls having reduced seams and seamless shoulder construction and method of manufacture |
| US5662978A (en) * | 1995-09-01 | 1997-09-02 | Kimberly-Clark Worldwide, Inc. | Protective cover fabric including nonwovens |
| GB9802108D0 (en) * | 1998-01-30 | 1998-04-01 | Web Dynamics Ltd | Chemical barrier fabric |
| ITPS20010029A1 (en) * | 2001-11-15 | 2003-05-15 | Cl Com Advanced Tecnology Srl | PROTECTIVE CLOTHING AGAINST BIOLOGICAL AGENTS |
-
2002
- 2002-11-14 IT IT000023A patent/ITPS20020023A1/en unknown
-
2003
- 2003-11-11 BR BRPI0316369-5A patent/BR0316369B1/en not_active IP Right Cessation
- 2003-11-11 AU AU2003288724A patent/AU2003288724A1/en not_active Abandoned
- 2003-11-11 WO PCT/IT2003/000729 patent/WO2004043544A1/en active Application Filing
- 2003-11-11 CN CNA2003801033591A patent/CN1711118A/en active Pending
- 2003-11-11 CA CA002506079A patent/CA2506079A1/en not_active Abandoned
- 2003-11-11 PL PL376773A patent/PL376773A1/en not_active Application Discontinuation
- 2003-11-11 EP EP03780627A patent/EP1560632A1/en not_active Withdrawn
- 2003-11-11 JP JP2004551163A patent/JP2006507416A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107529840A (en) * | 2015-04-28 | 2018-01-02 | 东丽株式会社 | Waterproof Breathable cloth and silk and protection against infection clothes |
| US10562264B2 (en) | 2015-04-28 | 2020-02-18 | Toray Industries, Inc. | Waterproof moisture-permeable fabric and infection protective garment |
| CN107529840B (en) * | 2015-04-28 | 2021-10-01 | 东丽株式会社 | Waterproof moisture-permeable fabric and infection protective clothing |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003288724A1 (en) | 2004-06-03 |
| PL376773A1 (en) | 2006-01-09 |
| BR0316369B1 (en) | 2012-09-18 |
| BR0316369A (en) | 2005-10-04 |
| CA2506079A1 (en) | 2004-05-27 |
| ITPS20020023A1 (en) | 2004-05-15 |
| WO2004043544A1 (en) | 2004-05-27 |
| EP1560632A1 (en) | 2005-08-10 |
| JP2006507416A (en) | 2006-03-02 |
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