EP3976866A4 - Modified cellulosic fibers - Google Patents

Modified cellulosic fibers Download PDF

Info

Publication number: EP3976866A4
Authority: EP; European Patent Office
Prior art keywords: cellulosic fibers; modified cellulosic; modified; fibers; cellulosic
Prior art date: 2019-05-31
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP20815115.9A

Other languages

German (de)

French (fr)

Other versions

EP3976866A1 (en

Inventor

Jason David FINNIS

Amin POURMOHAMMADBAGHER

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.)

Bast Fibre Technologies Inc

Original Assignee

Bast Fibre Technologies Inc

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.)

2019-05-31

Filing date

2020-05-12

Publication date

2023-06-28

2020-05-12 Application filed by Bast Fibre Technologies Inc filed Critical Bast Fibre Technologies Inc

2022-04-06 Publication of EP3976866A1 publication Critical patent/EP3976866A1/en

2023-06-28 Publication of EP3976866A4 publication Critical patent/EP3976866A4/en

Status Withdrawn legal-status Critical Current

Classifications

- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating 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
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4266—Natural fibres not provided for in group D04H1/425
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/4334—Polyamides
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating 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
- D06M11/51—Treating 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 with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating 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 with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
- D06M11/57—Sulfates or thiosulfates of elements of Groups 3 or 13 of the Periodic Table, e.g. alums
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating 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
- D06M11/73—Treating 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 with carbon or compounds thereof
- D06M11/76—Treating 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 with carbon or compounds thereof with carbon oxides or carbonates
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating 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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating 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 nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
- D06M15/3562—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing nitrogen
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/61—Polyamines polyimines
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating 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
- D06M11/07—Treating 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 with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating 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 with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/17—Halides of elements of Groups 3 or 13 of the Periodic Table
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Life Sciences & Earth Sciences (AREA)
Biochemistry (AREA)
General Chemical & Material Sciences (AREA)
Microbiology (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Chemical Or Physical Treatment Of Fibers (AREA)
Nonwoven Fabrics (AREA)

EP20815115.9A 2019-05-31 2020-05-12 Modified cellulosic fibers Withdrawn EP3976866A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US201962855162P	2019-05-31	2019-05-31
PCT/CA2020/050643 WO2020237347A1 (en)	2019-05-31	2020-05-12	Modified cellulosic fibers

Publications (2)

Publication Number	Publication Date
EP3976866A1 EP3976866A1 (en)	2022-04-06
EP3976866A4 true EP3976866A4 (en)	2023-06-28

Family

ID=73552464

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20815115.9A Withdrawn EP3976866A4 (en)	2019-05-31	2020-05-12	Modified cellulosic fibers

Country Status (12)

Country	Link
US (1)	US20220213645A1 (en)
EP (1)	EP3976866A4 (en)
JP (1)	JP2022535775A (en)
KR (1)	KR20220016492A (en)
CN (1)	CN114207198A (en)
AU (1)	AU2020284281A1 (en)
BR (1)	BR112021024093A2 (en)
CA (1)	CA3142310A1 (en)
IL (1)	IL288469A (en)
MX (1)	MX2021014750A (en)
TW (1)	TW202111174A (en)
WO (1)	WO2020237347A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113249823B (en) *	2021-05-12	2022-03-18	青岛大学	Seaweed fiber and preparation method thereof
CN115838976B (en) *	2022-12-07	2025-04-01	郑州中远氨纶工程技术有限公司	A kind of high cohesive force spandex multifilament and production method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20040058600A1 (en) *	2002-09-20	2004-03-25	Bunyard W. Clayton	Water-dispersible, cationic polymers, a method of making same and items using same
EP2963167A1 (en) *	2014-06-30	2016-01-06	NAPORO Klima Dämmstoff GmbH	Method for the preparation of fibre non-woven mats, in particular insulating material mats, and fibre non-woven mats obtained by this method
US20160201239A1 (en) *	2013-08-16	2016-07-14	Georgia-Pacific Consumer Products Lp	Entangled substrate of short individualized bast fibers

Family Cites Families (4)

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GB9703814D0 (en) *	1997-02-24	1997-04-16	Ici Plc	Dyeing of textiles
JP5881274B2 (en) *	2010-02-05	2016-03-09	国立大学法人京都大学	Cationic microfibrillated plant fiber and method for producing the same
KR101916978B1 (en) *	2011-03-08	2018-11-08	사피 네덜란드 서비시즈 비.브이.	Method for spinning anionically modified cellulose and fibres made using the method
JP6048504B2 (en) *	2012-08-10	2016-12-21	王子ホールディングス株式会社	FINE FIBER CELLULOSE AGGREGATE, METHOD FOR PRODUCING FINE FIBER CELLULOSE AGGREGATE AND METHOD FOR REPRODUCING FINE FIBER CELLULOSE DISPERSION

2020
- 2020-05-12 EP EP20815115.9A patent/EP3976866A4/en not_active Withdrawn
- 2020-05-12 AU AU2020284281A patent/AU2020284281A1/en not_active Abandoned
- 2020-05-12 JP JP2021571303A patent/JP2022535775A/en active Pending
- 2020-05-12 CN CN202080056088.2A patent/CN114207198A/en active Pending
- 2020-05-12 KR KR1020217042789A patent/KR20220016492A/en active Pending
- 2020-05-12 MX MX2021014750A patent/MX2021014750A/en unknown
- 2020-05-12 US US17/614,818 patent/US20220213645A1/en not_active Abandoned
- 2020-05-12 BR BR112021024093A patent/BR112021024093A2/en unknown
- 2020-05-12 WO PCT/CA2020/050643 patent/WO2020237347A1/en unknown
- 2020-05-12 CA CA3142310A patent/CA3142310A1/en active Pending
- 2020-05-19 TW TW109116599A patent/TW202111174A/en unknown
2021
- 2021-11-28 IL IL288469A patent/IL288469A/en unknown

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20040058600A1 (en) *	2002-09-20	2004-03-25	Bunyard W. Clayton	Water-dispersible, cationic polymers, a method of making same and items using same
US20160201239A1 (en) *	2013-08-16	2016-07-14	Georgia-Pacific Consumer Products Lp	Entangled substrate of short individualized bast fibers
EP2963167A1 (en) *	2014-06-30	2016-01-06	NAPORO Klima Dämmstoff GmbH	Method for the preparation of fibre non-woven mats, in particular insulating material mats, and fibre non-woven mats obtained by this method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020237347A1 *

Also Published As

Publication number	Publication date
CN114207198A (en)	2022-03-18
JP2022535775A (en)	2022-08-10
IL288469A (en)	2022-01-01
BR112021024093A2 (en)	2022-01-11
MX2021014750A (en)	2022-01-18
EP3976866A1 (en)	2022-04-06
KR20220016492A (en)	2022-02-09
US20220213645A1 (en)	2022-07-07
CA3142310A1 (en)	2020-12-03
WO2020237347A1 (en)	2020-12-03
TW202111174A (en)	2021-03-16
AU2020284281A1 (en)	2022-01-06

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Legal Events

Date	Code	Title	Description
2020-12-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-03-04	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
2022-03-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-04-06	17P	Request for examination filed	Effective date: 20211215
2022-04-06	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
2022-09-07	DAV	Request for validation of the european patent (deleted)
2022-09-07	DAX	Request for extension of the european patent (deleted)
2023-06-28	A4	Supplementary search report drawn up and despatched	Effective date: 20230531
2023-06-28	RIC1	Information provided on ipc code assigned before grant	Ipc: D06M 13/188 20060101ALN20230525BHEP Ipc: D06M 11/76 20060101ALN20230525BHEP Ipc: D06M 11/57 20060101ALN20230525BHEP Ipc: D06M 11/17 20060101ALN20230525BHEP Ipc: D06M 16/00 20060101ALN20230525BHEP Ipc: D06M 15/61 20060101ALI20230525BHEP Ipc: D06M 15/356 20060101ALI20230525BHEP Ipc: D06M 13/46 20060101ALI20230525BHEP Ipc: D06M 13/00 20060101ALI20230525BHEP Ipc: D06M 11/00 20060101ALI20230525BHEP Ipc: D01F 8/02 20060101AFI20230525BHEP
2024-07-24	18W	Application withdrawn	Effective date: 20240613