EP3904592A4 - Napped artificial leather and composite material - Google Patents

Napped artificial leather and composite material Download PDF

Info

Publication number
EP3904592A4
EP3904592A4 EP19906447.8A EP19906447A EP3904592A4 EP 3904592 A4 EP3904592 A4 EP 3904592A4 EP 19906447 A EP19906447 A EP 19906447A EP 3904592 A4 EP3904592 A4 EP 3904592A4
Authority
EP
European Patent Office
Prior art keywords
composite material
artificial leather
napped artificial
napped
leather
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.)
Pending
Application number
EP19906447.8A
Other languages
German (de)
French (fr)
Other versions
EP3904592A1 (en
Inventor
Kimio Nakayama
Akihisa Iwamoto
Masashi Meguro
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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
Priority claimed from JP2018246739A external-priority patent/JP7265355B2/en
Priority claimed from JP2018246738A external-priority patent/JP7265354B2/en
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of EP3904592A1 publication Critical patent/EP3904592A1/en
Publication of EP3904592A4 publication Critical patent/EP3904592A4/en
Pending legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/282Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
    • D06M13/285Phosphines; Phosphine oxides; Phosphine sulfides; Phosphinic or phosphinous acids or derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0004Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0011Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0059Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/007Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
    • D06N3/0075Napping, teasing, raising or abrading of the resin coating
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/146Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/147Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/30Flame or heat resistance, fire retardancy properties
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00Properties of the materials
    • D06N2209/06Properties of the materials having thermal properties
    • D06N2209/067Flame resistant, fire resistant
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00Specially adapted uses
    • D06N2211/12Decorative or sun protection articles
    • D06N2211/28Artificial leather

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
EP19906447.8A 2018-12-28 2019-11-28 Napped artificial leather and composite material Pending EP3904592A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018246739A JP7265355B2 (en) 2018-12-28 2018-12-28 Raised artificial leather and composite materials
JP2018246738A JP7265354B2 (en) 2018-12-28 2018-12-28 Raised artificial leather and composite material using it
PCT/JP2019/046648 WO2020137346A1 (en) 2018-12-28 2019-11-28 Napped artificial leather and composite material

Publications (2)

Publication Number Publication Date
EP3904592A1 EP3904592A1 (en) 2021-11-03
EP3904592A4 true EP3904592A4 (en) 2022-10-12

Family

ID=71127083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19906447.8A Pending EP3904592A4 (en) 2018-12-28 2019-11-28 Napped artificial leather and composite material

Country Status (6)

Country Link
US (1) US20220074133A1 (en)
EP (1) EP3904592A4 (en)
KR (1) KR20210094070A (en)
CN (1) CN113260760B (en)
TW (1) TWI828830B (en)
WO (1) WO2020137346A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008081916A (en) * 2006-08-31 2008-04-10 Kuraray Co Ltd Flame-retardant leather-like sheet and method for producing the same
JP2012229508A (en) * 2011-04-26 2012-11-22 Daikyo Kagaku Kk Flame retardant treatment of polyester-based fiber product
JP2016044375A (en) * 2014-08-25 2016-04-04 株式会社クラレ Flame-retardant artificial leather substrate, flame-retardant grained artificial leather, and method for producing flame-retardant grained artificial leather
WO2017195661A1 (en) * 2016-05-09 2017-11-16 株式会社クラレ Grained artificial leather

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650985A (en) 1979-10-02 1981-05-08 Toray Ind Inc Fire-retardant composition
US5851457A (en) * 1996-06-28 1998-12-22 Steelcase Inc. Method of forming an upholstered foam plastic seat cushion
JP4485664B2 (en) * 2000-07-28 2010-06-23 旭化成せんい株式会社 Fabric structure
TWI297049B (en) * 2005-05-17 2008-05-21 San Fang Chemical Industry Co Artificial leather having ultramicro fiber in conjugate fiber of substrate
JP4664135B2 (en) * 2005-07-08 2011-04-06 大京化学株式会社 Suede-like artificial leather with excellent flame retardancy and method for producing the same
JP4708262B2 (en) 2006-05-31 2011-06-22 株式会社クラレ Flame retardant napping artificial leather
CN101506432A (en) * 2006-08-31 2009-08-12 可乐丽股份有限公司 Flame-retardant leather-like sheet and process for producing the same
JP2009235628A (en) 2008-03-27 2009-10-15 Toray Ind Inc Suede-like artificial leather excellent in flame retardancy and method for producing the same
JP2010248683A (en) * 2009-03-26 2010-11-04 Toray Ind Inc Leather-like sheet-shaped product and method for producing the same
KR101173798B1 (en) * 2009-06-30 2012-08-16 코오롱인더스트리 주식회사 Artificial leather and method for manufacturing the same
JP6007900B2 (en) * 2011-10-31 2016-10-19 東レ株式会社 Sheet material and method for producing the same
JP6097017B2 (en) 2012-04-24 2017-03-15 東レ株式会社 Flame retardant artificial leather, method for producing the same, and flame retardant processing agent for artificial leather
JP5901468B2 (en) * 2012-08-10 2016-04-13 株式会社クラレ Elastic flame retardant artificial leather
KR102297731B1 (en) * 2015-07-31 2021-09-03 도레이 카부시키가이샤 leather like fabric

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008081916A (en) * 2006-08-31 2008-04-10 Kuraray Co Ltd Flame-retardant leather-like sheet and method for producing the same
JP2012229508A (en) * 2011-04-26 2012-11-22 Daikyo Kagaku Kk Flame retardant treatment of polyester-based fiber product
JP2016044375A (en) * 2014-08-25 2016-04-04 株式会社クラレ Flame-retardant artificial leather substrate, flame-retardant grained artificial leather, and method for producing flame-retardant grained artificial leather
WO2017195661A1 (en) * 2016-05-09 2017-11-16 株式会社クラレ Grained artificial leather

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020137346A1 *

Also Published As

Publication number Publication date
CN113260760B (en) 2024-03-01
US20220074133A1 (en) 2022-03-10
EP3904592A1 (en) 2021-11-03
TWI828830B (en) 2024-01-11
WO2020137346A1 (en) 2020-07-02
TW202039959A (en) 2020-11-01
CN113260760A (en) 2021-08-13
KR20210094070A (en) 2021-07-28

Similar Documents

Publication Publication Date Title
EP3569304A4 (en) Superhydrophobic silicon-aluminum-zirconium composite material and preparation method thereof
EP3643750A4 (en) Pbs composite material and method for producing same
GB2587328B (en) Composite materials and methods
EP3763774A4 (en) Prepreg and carbon-fiber-reinforced composite material
EP3829845A4 (en) Recycled composite materials and related methods
EP3660081A4 (en) Prepreg and carbon-fiber-reinforced composite material
EP3684379A4 (en) Biocompatible material and methods for making and using thereof
EP3675248A4 (en) Sulfur-carbon composite and lithium-sulfur battery including same
PT3684855T (en) Composite material and use thereof
EP3851573A4 (en) Artificial leather and method for manufacturing same
EP3831775A4 (en) Composite material
EP3640396A4 (en) Napped artificial leather
EP3770229A4 (en) Adhesive and synthetic leather
EP3854423A4 (en) Artificial dermis repair material and preparation method therefor
EP3604406A4 (en) Prepreg and fiber-reinforced composite material
ZA202000183B (en) Hydroxylapatite/gelatine composite material and the use of same, particularly as artificial ivory, and method for producing same
EP3565694A4 (en) High-permeability composite prepreg constructions and methods for making the same
EP3796766A4 (en) Composite material
EP3748744A4 (en) Composite material and preparation method therefor
EP3476998A4 (en) Napped artificial leather and method for manufacturing same
EP3757285A4 (en) Napped artificial leather
EP3514281A4 (en) Dyed artificial leather base material, napped artificial leather, artificial leather with resin layer, shoes, decorative sheet, and decorative molded body
EP3892684A4 (en) Flame-retardant nylon composite material and application thereof
EP3415545A4 (en) Polymerizable composition and composite material
EP3845704A4 (en) Artificial leather base material, method for production thereof, and napped artificial leather

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210720

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20220908

RIC1 Information provided on ipc code assigned before grant

Ipc: D06N 3/00 20060101ALI20220902BHEP

Ipc: D06M 15/564 20060101ALI20220902BHEP

Ipc: D06M 13/285 20060101ALI20220902BHEP

Ipc: D06M 11/00 20060101ALI20220902BHEP

Ipc: D06N 3/14 20060101AFI20220902BHEP