US20070275238A1 - Waterproof Vapor-Permeable Multilayer Article - Google Patents

Waterproof Vapor-Permeable Multilayer Article Download PDF

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Publication number
US20070275238A1
US20070275238A1 US10/585,107 US58510704A US2007275238A1 US 20070275238 A1 US20070275238 A1 US 20070275238A1 US 58510704 A US58510704 A US 58510704A US 2007275238 A1 US2007275238 A1 US 2007275238A1
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United States
Prior art keywords
multilayer article
layer
article according
microporous
plasma deposition
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Abandoned
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US10/585,107
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English (en)
Inventor
Mario Moretti
Antonio Ferrarese
Bruno Mattioni
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Geox SpA
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Geox SpA
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Assigned to GEOX S.P.A. reassignment GEOX S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FERRARESE, ANTONIO, MATTIONI, BRUNO, POLEGATO MORETTI, MARIO
Publication of US20070275238A1 publication Critical patent/US20070275238A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/12—Special watertight footwear
    • A43B7/125—Special watertight footwear provided with a vapour permeable member, e.g. a membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/62—Plasma-deposition of organic layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/12—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/14—Corona, ionisation, electrical discharge, plasma treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2835—Web or sheet containing structurally defined element or component and having an adhesive outermost layer including moisture or waterproof component

Definitions

  • the present invention relates to a waterproof vapor-permeable multilayer article.
  • Waterproof vapor-permeable multilayer articles constituted in practice by a membrane based on polytetrafluoroethylene, are currently known particularly in the field of shoes and clothing.
  • Such membrane is coupled to the fabrics that compose the item of clothing in order to allow correct permeation of the water vapor that forms due to perspiration released by the body within the environment delimited by the item of clothing.
  • the item of clothing must allow correct waterproofing, with the same goal of keeping the body dry.
  • membranes of this type are associated with the upper and with the sole of the shoe; in this regard, it should be noted that most of the perspiration of the foot originates at the interface between the sole of the foot and the sole of the shoe.
  • coupling to the mesh is not sufficient to achieve acceptable strength characteristics.
  • the membrane (which is integrated with the mesh) must be coupled to supports that are capable of supporting it adequately.
  • the aim of the present invention is to provide a waterproof vapor-permeable multilayer article that solves the drawbacks noted in known types.
  • an object of the present invention is to provide a waterproof vapor-permeable multilayer article that is structurally strong.
  • Another object of the present invention is to provide a waterproof vapor-permeable multilayer article that is particularly permeable to vapor or air.
  • Another object of the present invention is to provide a waterproof vapor-permeable multilayer article that is capable of being self-supporting.
  • Another object of the present invention is to provide a waterproof vapor-permeable multilayer article that can be manufactured with known systems and technologies.
  • a waterproof vapor-permeable multilayer article characterized in that it comprises at least one first layer made of a material that is vapor-permeable and microporous and is at least partially hygroscopic or can assume hygroscopic properties over time, and at least one second layer that is waterproof and vapor-permeable.
  • FIG. 1 is a sectional view of a first embodiment of a multilayer article according to the invention
  • FIG. 2 is a sectional view of a variation of the multilayer article of FIG. 1 ;
  • FIG. 3 is a sectional view of a second embodiment of a multilayer article according to the invention.
  • FIG. 4 is a sectional view of a variation of the multilayer article of FIG. 3 .
  • a waterproof vapor-permeable multilayer article according to the invention is generally designated by the reference numeral 10 .
  • the multilayer article 10 comprises a first layer 11 , made of a material that is vapor-permeable, microporous and hygroscopic, and a second layer 12 , which is waterproof and vapor-permeable.
  • the first layer 11 is constituted for example by a hygroscopic material based on polyolefin and filler particles.
  • the filler particles are designed to create the micropores that allow permeability to vapor or air.
  • the polyolefin that is used in the example being described has a very high molecular weight; for this reason, such polyolefin is preferably a UHMW (ultra high molecular weight) polyethylene.
  • UHMW polyolefin The characteristics of a UHMW polyolefin are referred to a polyolefin with an average molecular weight of at least 500.000 g/mole.
  • the average molecular weight is comprised between 4 ⁇ 10 6 g/mole and 7 ⁇ 10 6 g/mole.
  • the preferred filler is a finely milled silica (silicon dioxide, SiO 2 ).
  • Silica has an important hygroscopic capacity, to the full advantage of the hygroscopic properties of the first layer 11 .
  • the optimum average diameter of the filler particles of silicon dioxide SiO 2 are comprised between 0.01 and 20 ⁇ m, while the average surface area of said fillers is comprised between 30 m 2 /g and 950 m 2 /g.
  • the average surface area of the filler particles is at least 100 m 2 /g.
  • the first layer 11 being described has a pore size of less than 1 ⁇ m in diameter.
  • the pores Preferably, over 50% of the pores have a diameter of less than 0.5 ⁇ m.
  • the first layer 11 is for example treated with antibacterial and/or fungicidal agents.
  • the preferred final form is a sheet of preset thickness, substantially comprised between 200 ⁇ m and 1.5 cm; in particular, between 200 and 600 ⁇ m.
  • a microporous membrane known by the trade-name DARAMIC® and manufactured by DARAMIC Inc. (Norderstedt, Germany) has the characteristics described above for the first layer 11 and therefore can be used to form a multilayer article according to the invention.
  • microporous membrane is per se known and is currently used as a partition in accumulators and batteries and is provided in sheet form.
  • the version with a thickness of 600 ⁇ m of said DARAMIC® membrane has an ultimate tensile strength of substantially 5.8 MPa and a maximum breaking elongation of 505% (according to ISO 37): accordingly, it has excellent strength characteristics.
  • the second layer 12 which is waterproof and vapor-permeable, is constituted by a hydrophobic microporous material based on polypropylene (where the term “polypropylene” is used to designate any polymer, homopolymer or copolymer originating from propylene monomers).
  • the polypropylene of the second layer 12 is an isotactic homopolymer with low affinity for the absorption of proteins and fats.
  • a hydrophobic membrane known by the trade-name CELGARD® of the company CELGARD Inc. has the characteristics described above for the second layer 12 and therefore can be used to form a multilayer article according to the invention.
  • the coupling between the first layer 11 and the second layer 12 occurs depending on the type of “appearance” that said layers have at the time of coupling.
  • both the first layer 11 and the second layer 12 are in sheet form, they can be coupled by applying spots of adhesive, so as to avoid creating a compact layer, or by using known high-frequency or ultrasound technologies, avoiding the subtraction of breathable surface.
  • An alternative is for example to spread or roll one layer onto the other, which is considered as a backing.
  • the spread layer must strongly adhere to the underlying backing so as to resist separation.
  • such layer must have the characteristic of being easy to form or place on the underlying layer by means of large-scale spreading and rolling techniques.
  • the polymeric polyethylene layer of the DARAMIC® membrane can be suitable for spreading, since its molecular weight is high enough to prevent its penetration into the pores of the microporous support, or can be dispersed in aggregates that are larger than the pores of the CELGARD® polypropylene membrane.
  • one method for producing a multilayer article according to the invention is as follows:
  • one or more additional layers of polymer can be applied likewise and dried in order to reach the intended thicknesses.
  • the solution of the polymer can be applied to the backing made of hydrophobic microporous membrane by means of standard spreading techniques that are known in the background art, for example roller spreading or spray spreading.
  • FIG. 2 One variation to the basic configuration of the multilayer article 10 composed of two individual layers is shown in FIG. 2 .
  • the multilayer article according to the invention is composed of a first layer 111 made of vapor-permeable microporous hygroscopic material, which is delimited in a sandwich-like fashion by two second layers 112 that are waterproof and vapor-permeable.
  • first layer 111 and the second layers 112 respectively have the same characteristics described earlier for the first layer 11 and the second layer 12 .
  • a second layer 12 can also be provided by spreading a fluoropolymer on a first microporous layer 11 (or 111 ) or optionally a polysiloxane.
  • fluoropolymer is the one commercially known by the trade name Zonyl® and manufactured by DuPont.
  • the second layer 12 can also be provided by immersing the first layer 11 (or 111 ) in a bath of a fluoropolymer (for example Zonyl®) or of a polysiloxane.
  • a fluoropolymer for example Zonyl®
  • a polysiloxane for example
  • a second embodiment (see FIG. 3 ) of a multilayer article according to the invention has a first layer 211 such as the one described in the above examples and has, as its second layer, designated here by the reference numeral 212 , a film obtained by means of a plasma deposition treatment.
  • the idea of the film by plasma deposition arises from the surprising experimental discovery that a vapor of a siloxane organic compound can be used to produce an ultrathin layer on a microporous backing material by “cold plasma” polymerization in high vacuum at ambient temperature, providing waterproofing characteristics without altering the general characteristics and particularly the permeability characteristics of the backing material.
  • a waterproof and breathable hydrophobic layer can in fact be provided by plasma polymerization for example of a monomer based on siloxane, by depositing a layer of polymer (polysiloxane) on a microporous backing material (for example made of polyethylene or polystyrene).
  • This deposition can also be performed for example by using oil-repellent and water-repellent fluoropolymers such as those produced by DuPont and registered with the trade name Zonyl®.
  • Plasma is divided into hot and cold depending on the temperatures reached; it is also divided into ambient-pressure plasma and vacuum plasma.
  • a gaseous or vaporized precursor compound is introduced in a reaction chamber at a very low pressure (in vacuum conditions).
  • a plasma condition is generated by energizing the precursor inside the reaction chamber by generating an electrical field.
  • the result is an ultrathin layer of the polymer, which adheres to, and is deposited on, the entire surface of any substrate material introduced in the reaction chamber.
  • the plasma polymerization process is started and performed by means of an electrical field so as to achieve breakdown of the precursor of the deposition layer within the reaction chamber.
  • Layers created by plasma polymerization can use various configurations of electrical fields and different reaction parameters.
  • the thickness of the layer is controlled by selecting the initial polymerizable material and the reaction conditions, such as the deposition time of the monomer, the treatment time, the electrical frequency at which the reaction is performed, and the power used.
  • plasma polymerization is performed in vacuum.
  • the typical pressure range is between 10 ⁇ 1 and 10 ⁇ 5 mbar.
  • the precursor is made to react in its pure state by using a non-polymerizable inert gas, such as for example argon; such inert gas is used both as an inert dilution agent and as a carrier gas that assists the polymerization of the precursor.
  • a non-polymerizable inert gas such as for example argon; such inert gas is used both as an inert dilution agent and as a carrier gas that assists the polymerization of the precursor.
  • gases that can be used are any of oxygen, helium, nitrogen, neon, xenon and ammonia.
  • the precursor must have a vapor pressure that is sufficient to be able to vaporize in a moderate vacuum.
  • the plasma deposition process begins by loading the backing material to be coated (in this case, the first layer 212 ) into the reaction chamber and then bringing the chamber to the intended vacuum pressure.
  • the plasma polymerization reaction or a pretreatment reaction can begin.
  • the plasma polymerization reaction occurs by producing the discharge that generates the plasma and by injecting the vaporized precursor monomer into the reaction chamber.
  • a pretreatment reaction is required when the surface of the first layer is to be cleaned by subjecting it to an inert gas such as argon or nitrogen in order to clean the surface or promote the adhesion of the polymer film.
  • the collision of the monomer with the ions and electrons of the plasma allows polymerization of the monomer.
  • the resulting polymer is deposited on the exposed surfaces inside the chamber.
  • the properties of the film are not just a function of the structure of the monomer but also a function of the discharge frequency, of the power used, of the monomer flow-rate and, of the pressure.
  • Porosity, surface morphology and permeability can vary according to the reaction conditions.
  • the deposition process ends when the intended thickness of deposited material is reached.
  • the first layer 212 is made of insulating material (polyethylene, for example, is one of the most insulating materials known)
  • a radiofrequency generator in order to make the electrical field in the treatment oscillate with a frequency substantially on the order of 13.56 MHz, with an applied electric field power substantially equal to 50-700 watts and a vacuum level comprised between 10 ⁇ 1 and 10 ⁇ 5 mbar.
  • the duration of the treatment it has been observed that for a precursor such as a siloxane monomer, the optimum time is substantially comprised between 160 and 600 seconds; in particular, an optimum duration of substantially 420 seconds has been identified.
  • FIG. 4 One variation to the basic configuration of the multilayer article 200 composed of two individual layers is shown in FIG. 4 .
  • the multilayer article according to the invention is composed of a first layer 311 made of vapor-permeable and hygroscopic microporous material, which is delimited in a sandwich-like fashion by two seconds layers 312 , which are waterproof and vapor-permeable.
  • first layer 311 and the second layers 312 respectively have the same characteristics described earlier for the first layer 211 and the second layer 212 .
  • a multilayer article has in fact been provided which associates a first microporous and hygroscopic layer with a second hydrophobic layer, said layers preventing the inflow of any liquid phase while allowing the transfer of water vapor and other volatile components.
  • the silicon-based filler provided inside the first layer in order to generate the microporous structure is a highly hygroscopic material that has a great tendency to absorb water: accordingly, the first layer is not appropriate to be used individually as a waterproof layer, but is very useful for conveying perspiration and moisture away from the body (the torso or legs in the case of clothing, the feet in the case of shoes).
  • first hygroscopic layer and the second hydrophobic layer are both structurally stronger than the membranes currently used and are thicker, they can be used in combination without backings that reduce their permeability to vapor or air.
  • the multilayer article (10, 100, 200, 300 et cetera) has structural characteristics, it can be used as a supporting structure of a shoe; for example, in combination with a tread that has upward openings, the multilayer article can be used as a supporting element of a breathable and waterproof sole.
  • Such layers can be coupled, depending on the requirements, by applying spots of adhesive so as to avoid creating a compact layer or by using known high-frequency or ultrasound technologies, avoiding the subtraction of breathable surface, or by spreading or rolling of one layer onto the other.
  • the first layer is the one that reaches greater thicknesses without compromising vapor and air permeability, by using it as a backing for the plasma deposition of a waterproof breathable film, it is possible to achieve the same above mentioned aim and objects by pairing the two layers by spreading, rolling or adhesive bonding.
  • plasma deposition solves the problems of conformity and adhesion of the first layer on the second layer, since the plasma-deposited polymer adheres to the backing layer for a longer time than, for example, a conventional spreading.
  • the waterproof film is deposited in partial vacuum conditions, and since the backing material can be cleaned in the reaction chamber beforehand with argon with a high degree of purity, any impurities that could generate fractures, discontinuities, distortions of the deposited waterproof film are completely avoided.
  • the materials used may be any according to requirements and to the state of the art.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Materials For Medical Uses (AREA)
  • Building Environments (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
US10/585,107 2003-12-30 2004-12-27 Waterproof Vapor-Permeable Multilayer Article Abandoned US20070275238A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITPD2003A000314 2003-12-30
ITPD20030314 ITPD20030314A1 (it) 2003-12-30 2003-12-30 Articolo stratiforme impermeabile all'acqua e permeabile al vapore
PCT/EP2004/014718 WO2005063070A1 (en) 2003-12-30 2004-12-27 Waterproof vapor-permeable multilayer article

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US10/585,107 Abandoned US20070275238A1 (en) 2003-12-30 2004-12-27 Waterproof Vapor-Permeable Multilayer Article
US13/091,355 Abandoned US20110195243A1 (en) 2003-12-30 2011-04-21 Waterproof vapor-permeable multilayer article

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US (2) US20070275238A1 (de)
EP (1) EP1701629B2 (de)
JP (1) JP5530584B2 (de)
KR (1) KR101284820B1 (de)
CN (1) CN1897838B (de)
AT (1) ATE526841T2 (de)
AU (1) AU2004308088B2 (de)
BR (1) BRPI0418208B1 (de)
CA (1) CA2551656C (de)
CR (1) CR8521A (de)
EA (1) EA011427B1 (de)
EG (1) EG24709A (de)
ES (1) ES2372754T5 (de)
GE (1) GEP20115291B (de)
HK (1) HK1096000A1 (de)
IL (1) IL176617A (de)
IS (1) IS2874B (de)
IT (1) ITPD20030314A1 (de)
MA (1) MA28300A1 (de)
MX (1) MXPA06007518A (de)
NO (1) NO328061B1 (de)
NZ (1) NZ548752A (de)
SG (1) SG149038A1 (de)
UA (1) UA93026C2 (de)
WO (1) WO2005063070A1 (de)
ZA (1) ZA200605836B (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090169746A1 (en) * 2007-12-31 2009-07-02 Chen His-Tan Method of treating a one-side well-ventilated fabric for water repellence and hygroscopicity
US20130036628A1 (en) * 2011-08-12 2013-02-14 Thomas Kenneth Hussey Amphibious footwear
US20130219755A1 (en) * 2010-09-28 2013-08-29 Geox S.P.A. Vapor-permeable shoe with waterproof and vapor-permeable sole
US20140188058A1 (en) * 2013-01-02 2014-07-03 KCI Licensing. Inc. Flexible, adherent, and non-polyurethane film wound drape cover
US9232830B2 (en) 2013-09-19 2016-01-12 Nike, Inc. Ventilation system for an article of footwear
US10184189B2 (en) * 2016-07-18 2019-01-22 ECSI Fibrotools, Inc. Apparatus and method of contact electroplating of isolated structures
US12011057B2 (en) 2020-01-13 2024-06-18 Msa Technology, Llc Safety helmet

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10036100C1 (de) 2000-07-25 2002-02-14 Adidas Int Bv Schuh
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