WO2021240036A1 - Pavimento descontaminante - Google Patents

Pavimento descontaminante Download PDF

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Publication number
WO2021240036A1
WO2021240036A1 PCT/ES2021/070374 ES2021070374W WO2021240036A1 WO 2021240036 A1 WO2021240036 A1 WO 2021240036A1 ES 2021070374 W ES2021070374 W ES 2021070374W WO 2021240036 A1 WO2021240036 A1 WO 2021240036A1
Authority
WO
WIPO (PCT)
Prior art keywords
rubber
decontaminating
upper layer
encapsulated
effect
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.)
Ceased
Application number
PCT/ES2021/070374
Other languages
English (en)
French (fr)
Inventor
Francisco Javier RODRIGUEZ ANDRES
Maria Teresa CORDOBA CANDELA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Synthelast SA
Reciclaje de Neumaticos y Cauchos SL
Original Assignee
Synthelast SA
Reciclaje de Neumaticos y Cauchos SL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Synthelast SA, Reciclaje de Neumaticos y Cauchos SL filed Critical Synthelast SA
Priority to EP21812102.8A priority Critical patent/EP4159922A4/en
Priority to US17/928,042 priority patent/US20230129244A1/en
Publication of WO2021240036A1 publication Critical patent/WO2021240036A1/es
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/02—Layered products comprising a layer of natural or synthetic rubber with fibres or particles being present as additives in the layer
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/042—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E01C1/005—Means permanently installed along the road for removing or neutralising exhaust gases
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/105—Metal
    • B32B2264/1058—Titanium
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • 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
    • B32B2471/00—Floor coverings

Definitions

  • the invention refers to a decontaminating floor that provides, for its intended function, advantages and characteristics, which are described in detail below.
  • the object of the present invention lies in a pavement made from recycled rubber that, preferably applicable as a floor in playgrounds, in soccer fields as a filling for artificial grass or similar surfaces in areas, has the particularity of having a top layer made of encapsulated rubber with additives and catalysts that is superficially impregnated with a transparent film of a nanotitanium-based photocatalyst decontaminating agent that, under the effect of light, by the combined action with the encapsulated rubber catalysts, produce a reducing effect of the Gas pollution by causing the elimination of nitrous oxide gases that are in the environment produced by vehicles that circulate around the park.
  • the field of application of the present invention is framed within the sector of the industry dedicated to the manufacture of flooring, focusing particularly on the area of recycled rubber flooring.
  • recycled rubber flooring is a practical solution as a flooring for playgrounds, in soccer fields as artificial grass infill or the like.
  • these pavements are usually composed of a granulated and glued rubber base with a top layer that can be made of different materials, for example EPDM, which is a composite material of high quality Ethylene, Propylene and Diene, or for example TPV, ( or TPE-V) that are vulcanized thermoplastics, that is to say, they are a mixture between a thermoplastic matrix and a rubber capable of vulcanizing, they are pieces of colored rubber, or for example of encapsulated rubber particles.
  • EPDM which is a composite material of high quality Ethylene, Propylene and Diene, or for example TPV, ( or TPE-V) that are vulcanized thermoplastics, that is to say, they are a mixture between a thermoplastic matrix and a rubber capable of vulcanizing, they are pieces of colored rubber, or for example of encapsulated rubber particles.
  • the objective of the present invention is, however, to go one step further and, in addition to the advantages indicated, to provide a means to reduce air pollution in cities and urban areas, since in many cases children's playgrounds are located in urban centers that are also usually the areas with the most traffic and, therefore, with poor air quality due to NOx gases.
  • decontaminating pavement that the invention proposes is configured as the ideal solution to the aforementioned objective, the characteristic details that make it possible and that distinguish it conveniently included in the final claims that accompany this description.
  • what the invention proposes is a flooring made from recycled rubber that, intended to be applied as soil in playgrounds, on soccer fields as a component of artificial grass or similar surfaces, It has the particularity of having an upper layer of rubber encapsulated with additives and catalysts that is superficially impregnated with a transparent film of a nanotitanium-based photocatalyst agent, in such a way that said photocatalyst agent, by the combined action of light photons , either solar or UV lamp, with encapsulated rubber catalysts, specifically studied to enhance their effect, it causes high levels of NOx particle conversion, that is, it produces a reducing effect of gas pollution by causing removal of nitrous oxide particles or gases that are in the environment and that are usually produced by vehicles asses that circulate in the surroundings of the park where it is installed on the pavement.
  • SUBSTITUTE SHEET (RULE 26) mainly the pavement.
  • the figure number 1 and only.- Shows a schematic representation in perspective of an example of the decontaminating pavement object of the invention, appreciating the different layers and elements that it comprises as well as the effect that light produces on the impregnation of photocatalytic agent with which it is covered on its surface.
  • the pavement (1) of the invention is configured, essentially and in a known manner, from at least:
  • SUBSTITUTE SHEET (RULE 26) And, from this already known configuration, it is essentially distinguished in that the upper layer (3) of encapsulated rubber is superficially impregnated with a transparent film (4) of photocatalytic additive, preferably based on nanotitanium, which, when faced with presence of photons (f) from sunlight or UV lamp, produces a decontaminating effect of elimination of NOx particles or gases.
  • the upper layer (3) of encapsulated rubber includes as catalysts a catalytic effect enhancer and aromatic / aliphatic binder that enhances and activates the effect of the photocatalytic additive of the film (4) that impregnates the surface of said upper layer ( 3) by the catalysts of the upper layer (3).
  • said effect between the upper layer (3) and the impregnation film (4) has been represented by arrows.
  • the pavement (1) is installed on a support substrate (5), for example cement, and also comprises layers of primer (6) between said support (5 ) and the rubber base (2), and between the rubber base (2) and the upper layer (3) of encapsulated rubber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Catalysts (AREA)
  • Road Paving Structures (AREA)

Abstract

Pavimento descontaminante que, aplicable como suelo de parques infantiles o superficies similares, y comprendiendo, al menos, una base (2) de caucho negro triturado y pegado con resina aglomerante; y una capa superior (3) de caucho encapsulado y coloreado, con resinas, pigmentos, aditivos y catalizadores, donde dicha capa superior (3) está impregnada superficialmente con una película (4) transparente de aditivo fotocatalítico que, ante la presencia de fotones (f) de luz solar o de lámpara UV, produce un efecto descontaminante de eliminación de partículas o gases NOx. Preferentemente, el aditivo fotocatalítico que forma la película (4) transparente con que está impregnada la capa superficial (3) es a base de nanotitanio. Preferentemente, la capa superior (3) de caucho encapsulado incluye como catalizadores un potenciador de efecto catalítico y aglomerante aromático/alifático que potencia y activa el efecto del aditivo fotocatalítico de la película (4) que impregna la superficie de dicha capa superior (3).

Description

PAVIMENTO DESCONTAMINANTE
MEMORIA DESCRIPTIVA
OBJETO DE LA INVENCIÓN
La invención, tal como expresa el enunciado de la presente memoria descriptiva, se refiere a un pavimento descontaminante que aporta, a la función a que se destina, ventajas y características, que se describen en detalle más adelante.
El objeto de la presente invención recae en un pavimento hecho a base de caucho reciclado que, preferentemente aplicable como suelo en parques infantiles, en campos de fútbol como relleno del césped artificial o superficies similares en zonas, presenta la particularidad de contar con una capa superior de caucho encapsulado con aditivos y catalizadores que está impregnada superficialmente con una película transparente de un agente descontaminador fotocatalizador a base de nanotitanio que, bajo el efecto de la luz, por la acción combinada con los catalizadores del caucho encapsulado, producen un efecto reductor de la contaminación de los gases al provocar la eliminación de gases de óxidos nitrosos que haya en el ambiente producidos por los vehículos que circulan en los alrededores del parque.
CAMPO DE APLICACIÓN DE LA INVENCIÓN
El campo de aplicación de la presente invención se enmarca dentro del sector de la industria dedicada a la fabricación de pavimentos, centrándose particularmente en el ámbito de los pavimentos de caucho reciclado.
1
HOJA DE REEMPLAZO (REGLA 26) ANTECEDENTES DE LA INVENCIÓN
Como es sabido, los pavimentos de caucho reciclado son una práctica solución como pavimento para parques infantiles, en campos de fútbol como relleno del césped artificial o similares.
Normalmente dichos pavimentos suelen estar compuestos de una base de caucho granulado y pegado con una capa superior que puede ser de diferentes materiales, por ejemplo EPDM, que es un material compuesto de Etileno, Propileno y Dieno de alta calidad, o por ejemplo TPV, (o TPE- V) que son termoplásticos vulcanizados, es decir, son una mezcla entre una matriz termoplástica y un caucho capaz de vulcanizar, son trocitos de gomas de colores, o por ejemplo de partículas de caucho encapsulado.
El objetivo de la presente invención es, sin embargo, ir un paso más allá y, además de las ventajas señaladas, proporcionar un medio para reducir la contaminación del aire de las ciudades y zonas urbanas, ya que en muchos casos los parques infantiles están situados en centros urbanos que también suelen ser las zonas con más tráfico y, por tanto, con mala calidad de aire a causa de los gases NOx.
Por otra parte, y como referencia al estado actual de la técnica, cabe señalar que aunque se conocen otros productos de caucho, al menos por parte del solicitante, se desconoce la existencia de ningún otro pavimento descontaminante, ni ninguna otra invención de aplicación similar como suelo en parques infantiles, en campos de fútbol como componente del césped artificial o superficies similares, que presente unas características técnicas y constitutivas ¡guales o semejantes a las que presenta el pavimento que aquí se reivindica.
2
HOJA DE REEMPLAZO (REGLA 26) EXPLICACIÓN DE LA INVENCIÓN
El pavimento descontaminante que la invención propone se configura como la solución idónea al objetivo anteriormente señalado, estando los detalles caracteñzadores que lo hacen posible y que lo distinguen convenientemente recogidos en las reivindicaciones finales que acompañan a la presente descripción.
Concretamente, lo que la invención propone, como se ha apuntado anteriormente, es un pavimento de los hechos a base de caucho reciclado que, destinado para ser aplicado como suelo en parques infantiles, en campos de fútbol como componente del césped artificial o superficies similares, presenta la particularidad de contar con una capa superior de caucho encapsulado con aditivos y catalizadores que está impregnada superficialmente con una película transparente de un agente fotocatalizador a base de nanotitanio, de tal modo que dicho agente fotocatalizador, por la acción combinada de los fotones de luz, ya sea solar o de lámpara con UV, con los catalizadores del caucho encapsulado, específicamente estudiados para potenciar su efecto, provoca altos niveles de conversión de partículas de NOx, es decir produce un efecto reductor de la contaminación de los gases al provocar la eliminación de partículas o gases de óxidos nitrosos que haya en el ambiente y que suelen ser producidas por los vehículos que circulan en los alrededores del parque en que se instale en pavimento.
Además, por la especial dispersión de nanotitanio como agente descontaminante aplicado en la película que impregna la capa superior de encapsulado del pavimento, este, además de descontaminante, tiene efecto autolimpiante y propiedades bactehostáticas, lo cual es, a su vez, altamente interesante para el uso a suelo de parque infantil a que se destina
3
HOJA DE REEMPLAZO (REGLA 26) principalmente el pavimento.
DESCRIPCIÓN DE LOS DIBUJOS
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, un plano en el que con carácter ilustrativo y no limitativo se ha representado lo siguiente:
La figura número 1 y única.- Muestra una representación esquemática en perspectiva de un ejemplo del pavimento descontaminante objeto de la invención, apreciándose las diferentes capas y elementos que comprende así como el efecto que produce la luz sobre la impregnación de agente fotocatalizador con que está cubierto en su superficie.
REALIZACIÓN PREFERENTE DE LA INVENCIÓN
A la vista de las mencionadas figuras, y de acuerdo con la numeración adoptada, se puede observar en ellas un ejemplo de realización no limitativa del pavimento descontaminante de la invención, el cual comprende lo que se describe en detalle a continuación.
Así, tal como se observa en dichas figuras, el pavimento (1) de la invención se configura, esencialmente y de manera conocida, a partir de, al menos:
- una base (2) de caucho negro granulado y aglomerado con resinas y
- una capa superior (3) de caucho encapsulado y coloreado, aglomerado con resinas, pigmentos, aditivos y catalizadores.
4
HOJA DE REEMPLAZO (REGLA 26) Y, a partir de esta configuración ya conocida, se distingue, esencialmente, en que la capa superior (3) de caucho encapsulado está impregnada superficialmente con una película (4) transparente de aditivo fotocatalítico, preferentemente a base de nanotitanio, que, ante la presencia de fotones (f) de luz solar o de lámpara UV, produce un efecto descontaminante de eliminación de partículas o gases NOx.
Además, preferentemente, la capa superior (3) de caucho encapsulado incluye como catalizadores un potenciador de efecto catalítico y aglomerante aromático/alifático que potencia y activa el efecto del aditivo fotocatalítico de la película (4) que impregna la superficie de dicha capa superior (3) por los catalizadores de la capa superior (3). En la representación de la figura 1 dicho efecto entre la capa superior (3) y la película (4) de impregnación se ha representado mediante flechas.
En la realización preferida del pavimento, como se aprecia en la figura 1 , el pavimento (1 ) se instala sobre un sustrato de soporte (5), por ejemplo de cemento, y además comprende capas de imprimación (6) entre dicho soporte (5) y la base (2) de caucho, y entre la base (2) de caucho y la capa superior (3) de caucho encapsulado.
Descrita suficientemente la naturaleza de la presente invención, así como la manera de ponerla en práctica, no se considera necesario hacer más extensa su explicación para que cualquier experto en la materia comprenda su alcance y las ventajas que de ella se derivan.
5
HOJA DE REEMPLAZO (REGLA 26)

Claims

1.- Pavimento descontaminante que, aplicable como suelo de parques infantiles o superficies similares, y comprendiendo, al menos, una base (2) de caucho negro triturado y pegado con resina aglomerante; y una capa superior (3) de caucho encapsulado y coloreado, con resinas, pigmentos, aditivos y catalizadores, está caracterizado por el hecho de que la capa superior (3) de caucho encapsulado está impregnada superficialmente con una película (4) transparente de aditivo fotocatalítico que, ante la presencia de fotones (f) de luz solar o de lámpara UV, produce un efecto descontaminante de eliminación de partículas o gases NOx.
2.- Pavimento descontaminante, según la reivindicación 1, caracterizado porque el aditivo fotocatalítico que forma la película (4) transparente con que está impregnada la capa superficial (3) es a base de nanotitanio.
3.- Pavimento descontaminante, según la reivindicación 1 ó 2, caracterizado porque la capa superior (3) de caucho encapsulado incluye como catalizadores un potenciador de efecto catalítico y aglomerante aromático/alifático que potencia y activa el efecto del aditivo fotocatalítico de la película (4) que impregna la superficie de dicha capa superior (3).
4.- Pavimento descontaminante, según cualquiera de las reivindicaciones anteriores, caracterizado porque se instala sobre un sustrato de soporte (5) y comprende capas de imprimación (6) entre dicho soporte (5) y la base
(2) de caucho, y entre la base (2) de caucho y la capa superior (3) de caucho encapsulado.
6
HOJA DE REEMPLAZO (REGLA 26)
PCT/ES2021/070374 2020-05-26 2021-05-25 Pavimento descontaminante Ceased WO2021240036A1 (es)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21812102.8A EP4159922A4 (en) 2020-05-26 2021-05-25 Decontaminating paving
US17/928,042 US20230129244A1 (en) 2020-05-26 2021-05-25 Decontaminating paving

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP202030488 2020-05-26
ES202030488A ES2881423A1 (es) 2020-05-26 2020-05-26 Pavimento descontaminante

Publications (1)

Publication Number Publication Date
WO2021240036A1 true WO2021240036A1 (es) 2021-12-02

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ID=78692735

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Application Number Title Priority Date Filing Date
PCT/ES2021/070374 Ceased WO2021240036A1 (es) 2020-05-26 2021-05-25 Pavimento descontaminante

Country Status (4)

Country Link
US (1) US20230129244A1 (es)
EP (1) EP4159922A4 (es)
ES (1) ES2881423A1 (es)
WO (1) WO2021240036A1 (es)

Citations (6)

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Publication number Priority date Publication date Assignee Title
WO1999027012A1 (de) * 1997-11-25 1999-06-03 Schill & Seilacher (Gmbh & Co.) Mikroverkapseltes kautschukadditiv
KR101649288B1 (ko) * 2016-06-27 2016-08-18 주식회사 엔빌드 놀이터용 조형물 시공 방법
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