# US 2022/0034097 A1 · Decorative Panel, and Decorative Floor Covering Consisting of Said Panels > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0034097 A1 - Document ID: US20220034097A1 - Status: Published application - Kind: A1 - Application number: 17/299,845 - Filed: 2019-09-30 - Published: 2022-02-03 - Earliest claimed: 2018-12-05 - Assignees: i4F Licensing NV - Applicants: I4F Licensing NV - Inventors: Eddy Alberic Boucké - Web page: https://patentgrep.com/patent/US20220034097A1 ## CPC - E04F 15/02038: {characterised by tongue and groove connections between neighbouring flooring elements} - B32B 3/06: for securing layers together; for attaching the product to another member, e.g. to a support {, or to another product, e.g. groove/tongue, interlocking} - B32B 5/022: {Non-woven fabric} - B32B 5/024: {Woven fabric} - B32B 5/18: characterised by features of a layer {of} foamed material - B32B 5/245: {another layer next to it being a foam layer} - B32B 5/32: {at least two} layers being foamed {and next to each other} - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B32B 9/02: comprising animal or vegetable substances {, e.g. cork, bamboo, starch} - B32B 9/045: {of synthetic resin} - B32B 9/046: {of foam} - B32B 13/14: next to a fibrous or filamentary layer - B32B 25/14: comprising {synthetic rubber copolymers (B32B25/18 and B32B25/20 take precedence)} - B32B 27/065: {of foam} - B32B 27/08: of synthetic resin - B32B 27/12: next to a fibrous or filamentary layer - B32B 27/18: characterised by the use of special additives - B32B 27/22: using plasticisers - B32B 27/302: {comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers} - B32B 27/304: {comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF} - B32B 27/32: comprising polyolefins {(comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30)} - B32B 27/40: comprising polyurethanes - C08L 23/10: Homopolymers or copolymers of propene - E04F 13/0866: {composed of several layers, e.g. sandwich panels or layered panels (layered products as such in general B32B; producing decorative panels or veneers B44C5/04; E04F13/0864, E04F13/0875 take precedence)} - E04F 13/0894: {with tongue and groove connections} - E04F 13/18: of organic plastics with or without reinforcements or filling materials (of plastic-bound fibres or chips E04F13/16 ){or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles (E04F13/0864 takes precedence)} - E04F 15/105: {of organic plastics with or without reinforcements or filling materials} - E04F 15/107: {composed of several layers, e.g. sandwich panels (layered products in general B32B; producing decorative panels or veneers B44C5/04)} - B32B 2250/05: 5 or more layers - B32B 2262/065: Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo - B32B 2262/101: Glass fibres - B32B 2264/0207: Particles made of materials belonging to B32B25/00 - B32B 2264/065: Lignocellulosic particles, e.g. jute, sisal, hemp, flax, bamboo - B32B 2264/067: Wood particles - B32B 2266/0228: Aromatic vinyl resin, e.g. styrenic (co)polymers - B32B 2307/3065: Flame resistant or retardant, fire resistant or retardant - B32B 2307/72: Density - B32B 2307/732: Dimensional properties - B32B 2419/04: Tiles for floors or walls - B32B 2419/06: Roofs, roof membranes - B32B 2607/00: Walls, panels - E04F 2201/0138: by moving the sheets, plates or panels perpendicular to the main plane - E04F 2201/0153: by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement - E04F 2201/0161: with snap action of the edge connectors - E04F 2201/023: with a continuous tongue or groove - E04F 2201/042: with grooves positioned on the rear-side of the panel - E04F 2201/043: with tongues and grooves being formed by projecting or recessed parts of the panel layers - E04F 2203/026: having hexagonal shapes - E04F 2290/043: with a bottom layer for sound insulation - E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B) - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract In the field of decorative floor coverings, decorative panels are known having a MDF (Medium Density Board) or HDF (High Density Board) based core layer on top of which a decorative substrate is attached to provide the panels a desired appearance. The invention relates to a panel, in particular a decorative panel, a floor panel, a ceiling panel or a wall panel. The invention also relates to a floor covering consisting of a plurality of mutually coupled panels. ## Claims ### Claim at position 1 1-66. (canceled) ### Claim 67 A decorative panel, in particular a floor panel, ceiling panel or wall panel, comprising: a core provided with an upper side and a lower side, a decorative top structure affixed on said upper side of the core, a first panel edge comprising a first coupling profile, and a second panel edge comprising a second coupling profile being designed to engage interlockingly with said first coupling profile of an adjacent panel, both in horizontal direction and in vertical direction, wherein said core comprises an alloy of a polymer matrix and/or a magnesium cement based matrix and elastic particles dispersed in said matrix, wherein the elastic particles are bond to the polymer matrix by means of a covalent bond. ### Claim 68 (depends on 67) The panel according to claim 67, wherein the polymer matrix comprises polyethylene (PE), and/or polypropylene (PP), and/or polybutylene. ### Claim 69 (depends on 67) The panel according to claim 67, wherein the polymer matrix comprises isotactic polypropylene. ### Claim 70 (depends on 67) The panel according to claim 67, wherein the elastic particles comprise an elastomer. ### Claim 71 (depends on 67) The panel according to claim 67, wherein the elastic particles comprise ethylene-propylene rubber. ### Claim 72 (depends on 67) The panel according to claim 67, wherein the elastic particles comprise ethylene-propylene-diene terpolymer (EPDM). ### Claim 73 (depends on 67) The panel according to claim 67, wherein the core comprises an isotactic polypropylene, an ethylene-propylene rubber, and a high density polyethylene. ### Claim 74 (depends on 67) The panel according to claim 67, wherein the core comprises an ethylene-propylene copolymer. ### Claim 75 (depends on 67) The panel according to claim 67, wherein the core is free of phthalate, and preferably free of any plasticizer. ### Claim 76 (depends on 67) The panel according claim 67, wherein at least one polymer of the core is a material chosen from the group consisting of: PVC (polyvinyl chloride), PUR (polyurethane), PVB (polyvinyl butyral), and polystyrene. ### Claim 77 (depends on 67) The panel according to claim 67, wherein the core comprises at least one catalyst to promote the formation of covalent bonds between the polymer matrix and the dispersed elastic particles. ### Claim 78 (depends on 67) The panel according to claim 67, wherein the core comprises at least one additional filler selected from the group consisting of: steel, glass, polypropylene, wood, acrylic, alumina, curaua, carbon, cellulose, coconut, kevlar, nylon, perlon, polyethylene, PVA, rock wool, sisal, and fique. ### Claim 79 (depends on 67) The panel according to claim 67, wherein at least one polymer of the core is foamed. ### Claim 80 (depends on 67) The panel according to claim 67, wherein the panel comprises a plurality of reinforcement layers, wherein, preferably, at least one first reinforcement layer is located in a top portion of the core, and wherein at least one second reinforcement layer is located in a bottom portion of the core. ### Claim 81 (depends on 80) The panel according to claim 80, wherein at least one reinforcement layer extends in only one coupling profile of the first and second coupling profile. ### Claim 82 (depends on 67) The panel according to claim 67, wherein the panel comprises: at least one first edge having a first coupling profile comprising: a sideward tongue extending in a direction substantially parallel to the upper side of the first panel, at least one first downward flank lying at a distance from the sideward tongue, and a first downward recess formed between the sideward tongue and the first downward flank, wherein at least a part of the proximal side of the sideward tongue of the first coupling profile, facing the first downward recess, is downwardly inclined in a direction away from the first downward; at least one second edge having a second coupling profile comprising: a downward tongue extending in a direction substantially perpendicular to the upper side of the first panel, at least one second downward flank lying at a distance from the downward tongue, a second downward recess formed between the downward tongue and the downward flank, and at least one second locking element, wherein at least a part of the proximal side of the downward tongue, facing the second downward recess, is downwardly inclined in a direction away from the second downward flank, at least two other edges, each other edge having a third coupling profile comprising: a third recess configured for accommodating at least a part of the sideward tongue of the first coupling profile of a second panel of the plurality of floor panels and at least a part of the downward tongue of the second panel, said third recess being defined by an upper lip and a lower lip, wherein said lower lip is provided with an upward locking element, and at least one third locking element, wherein said third locking element comprises at least one outward bulge, wherein at least a part of the proximal side of the upward locking element, facing the third recess, is upwardly inclined in a direction away from the upper lip; wherein the first coupling profile and the third coupling profile are configured such that the first panel and the second panel can be coupled to each other at the first and other edges through a turning movement, wherein, in coupled condition: at least a part of the sideward tongue of the first coupling profile of the first panel is inserted into the third recess of the third coupling profile of the second panel to realise a vertical locking effect, and at least a part of the upward locking element of the third coupling profile, and said at least one outward bulge, are inserted into the first downward recess of the first coupling profile, and wherein the second coupling profile and the third coupling profile are configured such that the first panel and the second panel can be coupled to each other at the second and other edges by means of a fold-down movement or a vertical movement, wherein, in coupled condition: at least a part of the downward tongue of the second coupling profile is inserted in the third recess of the third coupling profile, at least a part of the upward locking element of the third coupling profile is inserted in the second downward recess of the second coupling profile, and at least one second locking element is facing, and co-acting with, at least one outward bulge of at least one third locking element to realise a vertical locking effect. ### Claim 83 (depends on 67) The panel according to claim 67, wherein the first coupling profile comprises: an upward tongue, at least one upward flank lying at a distance from the upward tongue, an upward groove formed in between the upward tongue and the upward flank wherein the upward groove is adapted to receive at least a part of a downward tongue of a second coupling profile of an adjacent panel, and at least one first locking element, preferably provided at a distant side of the upward tongue facing away from the upward flank, and wherein the second coupling profile comprises: a first downward tongue, at least one first downward flank lying at a distance from the downward tongue, a first downward groove formed in between the downward tongue and the downward flank, wherein the downward groove is adapted to receive at least a part of an upward tongue of a first coupling profile of an adjacent panel, and at least one second locking element adapted for co-action with a first locking element of an adjacent panel, said second locking element preferably being provided at the downward flank. ### Claim 84 (depends on 67) The panel according to claim 67, wherein the panel comprises at least one third coupling profile and at least one fourth coupling profile located respectively at a third panel edge and a fourth panel edge, wherein the third coupling profile comprises: a sideward tongue extending in a direction substantially parallel to the upper side of the core, at least one second downward flank lying at a distance from the sideward tongue, and a second downward groove formed between the sideward tongue and the second downward flank, wherein the fourth coupling profile comprises: a third groove configured for accommodating at least a part of the sideward tongue of the third coupling profile of an adjacent panel, said third groove being defined by an upper lip and a lower lip, wherein said lower lip is provided with an upward locking element, wherein the third coupling profile and the fourth coupling profile are configured such that two of such panels can be coupled to each other by means of a turning movement, wherein, in coupled condition: at least a part of the sideward tongue of a first panel is inserted into the third groove of an adjacent, second panel, and wherein at least a part of the upward locking element of said second panel is inserted into the second downward groove of said first panel. ### Claim 85 (depends on 67) The panel according to claim 67, wherein the core comprises at least one mineral material, preferably calcium carbonate, magnesium oxide, magnesium hydroxide, and/or magnesium based cement. ### Claim 86 (depends on 67) A decorative covering, in particular a decorative floor covering, decorative ceiling covering, or decorative wall covering, comprising a plurality of mutually coupled decorative panels according to claim 67.