EP2480408A4 - Foam and fiber composite structures and methods of manufacture - Google Patents

Foam and fiber composite structures and methods of manufacture

Info

Publication number
EP2480408A4
EP2480408A4 EP10819437.4A EP10819437A EP2480408A4 EP 2480408 A4 EP2480408 A4 EP 2480408A4 EP 10819437 A EP10819437 A EP 10819437A EP 2480408 A4 EP2480408 A4 EP 2480408A4
Authority
EP
European Patent Office
Prior art keywords
foam
manufacture
methods
fiber composite
composite structures
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.)
Withdrawn
Application number
EP10819437.4A
Other languages
German (de)
French (fr)
Other versions
EP2480408A1 (en
Inventor
Chandrasiri Jayakody
Alison J Kimmitz
Geoffrey M Stoltz
Chad M Bannan
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.)
Essentra Porous Technologies Corp
Original Assignee
Filtrona Porous Technologies Corp
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 US12/887,943 external-priority patent/US20110070423A1/en
Application filed by Filtrona Porous Technologies Corp filed Critical Filtrona Porous Technologies Corp
Publication of EP2480408A1 publication Critical patent/EP2480408A1/en
Publication of EP2480408A4 publication Critical patent/EP2480408A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/01Non-adhesive bandages or dressings
    • A61F13/01008Non-adhesive bandages or dressings characterised by the material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/26Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/425Porous materials, e.g. foams or sponges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/44Medicaments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1209Incorporating or moulding on preformed parts, e.g. inserts or reinforcements by impregnating a preformed part, e.g. a porous lining
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0085Use of fibrous compounding ingredients
    • 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
    • D06M23/00Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/04Processes in which the treating agent is applied in the form of a foam
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/20All layers being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/021Fibrous or filamentary layer
    • B32B2260/023Two or more layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • B32B2260/046Synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0207Materials belonging to B32B25/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • B32B2266/0221Vinyl resin
    • B32B2266/0235Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • B32B2266/0278Polyurethane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/06Open cell foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/08Closed cell foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/728Hydrophilic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00Personal care
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2556/00Patches, e.g. medical patches, repair patches
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Textile Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Materials For Medical Uses (AREA)
  • Nonwoven Fabrics (AREA)
EP10819437.4A 2009-09-23 2010-09-23 Foam and fiber composite structures and methods of manufacture Withdrawn EP2480408A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24507609P 2009-09-23 2009-09-23
US12/887,943 US20110070423A1 (en) 2009-09-23 2010-09-22 Foam and Fiber Composite Structures and Methods of Manufacture
PCT/US2010/049951 WO2011038084A1 (en) 2009-09-23 2010-09-23 Foam and fiber composite structures and methods of manufacture

Publications (2)

Publication Number Publication Date
EP2480408A1 EP2480408A1 (en) 2012-08-01
EP2480408A4 true EP2480408A4 (en) 2014-01-22

Family

ID=43796198

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10819437.4A Withdrawn EP2480408A4 (en) 2009-09-23 2010-09-23 Foam and fiber composite structures and methods of manufacture

Country Status (2)

Country Link
EP (1) EP2480408A4 (en)
WO (1) WO2011038084A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL226081B1 (en) * 2012-02-16 2017-06-30 Politechnika Łódzka Medical material and process for its preparation and the use of medical material
WO2014142959A1 (en) * 2013-03-15 2014-09-18 Tempur-Pedic Management, Llc Foam composite and methods of making the same
TWI594742B (en) * 2013-07-05 2017-08-11 Wound covering and method of making the same
US10729600B2 (en) 2015-06-30 2020-08-04 The Procter & Gamble Company Absorbent structure
EP3370673B1 (en) 2015-11-04 2022-03-30 The Procter & Gamble Company Absorbent structure
RU2697170C1 (en) * 2015-11-04 2019-08-12 Дзе Проктер Энд Гэмбл Компани Absorbent structure
GB201712162D0 (en) * 2017-07-28 2017-09-13 Smith & Nephew Absorbent article and method of manufacture

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2115237A1 (en) * 1971-03-30 1972-10-05 Johann Otto Zentgraf KG, 8019 Steinhöring Brush sponge or sponge brush cloths with strongly angled, wavy brush fibers, enclosed in the foam
EP1600096A2 (en) * 2004-05-26 2005-11-30 The Clorox Company Substrates incorporating foam
US20070079462A1 (en) * 2005-10-06 2007-04-12 Haskett Thomas E Scouring web and method of making
DE102006005984A1 (en) * 2006-02-08 2007-08-09 Carl Freudenberg Kg cleaning cloth
WO2007101881A2 (en) * 2006-03-09 2007-09-13 Basf Se Layered composite material composed of an open-cell melamine resin foam and a melamine fiber fleece or fabric
WO2009007924A2 (en) * 2007-07-12 2009-01-15 Kimberly-Clark Worldwide, Inc. Foaming hand sponge with color change indicator
WO2009007926A2 (en) * 2007-07-12 2009-01-15 Kimberly-Clark Worldwide, Inc. Foaming hand sponge for bodily cleansing with color change indicator
WO2010118320A2 (en) * 2009-04-10 2010-10-14 3M Innovative Properties Company Cleaning sponge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1243545A (en) * 1958-10-06 1960-10-14 Owens Corning Fiberglass Corp Fibro-cellular product and its manufacturing process
US3962388A (en) * 1973-01-02 1976-06-08 Sun Research And Development Co. Method of producing a foam fibrillated web
US4450833A (en) * 1981-12-02 1984-05-29 Brooks William R Method of dimensioning a polyurethane foam bandage
US5338766A (en) * 1993-03-26 1994-08-16 The Procter & Gamble Company Superabsorbent polymer foam
US6224961B1 (en) * 1997-08-01 2001-05-01 The Procter & Gamble Company Absorbent macrostructure made from mixtures of different hydrogel-forming absorbent polymers for improved fluid handling capability
US20060246272A1 (en) * 2005-04-29 2006-11-02 Zhang Xiaomin X Thermoplastic foam composite

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2115237A1 (en) * 1971-03-30 1972-10-05 Johann Otto Zentgraf KG, 8019 Steinhöring Brush sponge or sponge brush cloths with strongly angled, wavy brush fibers, enclosed in the foam
EP1600096A2 (en) * 2004-05-26 2005-11-30 The Clorox Company Substrates incorporating foam
US20070079462A1 (en) * 2005-10-06 2007-04-12 Haskett Thomas E Scouring web and method of making
DE102006005984A1 (en) * 2006-02-08 2007-08-09 Carl Freudenberg Kg cleaning cloth
WO2007101881A2 (en) * 2006-03-09 2007-09-13 Basf Se Layered composite material composed of an open-cell melamine resin foam and a melamine fiber fleece or fabric
WO2009007924A2 (en) * 2007-07-12 2009-01-15 Kimberly-Clark Worldwide, Inc. Foaming hand sponge with color change indicator
WO2009007926A2 (en) * 2007-07-12 2009-01-15 Kimberly-Clark Worldwide, Inc. Foaming hand sponge for bodily cleansing with color change indicator
WO2010118320A2 (en) * 2009-04-10 2010-10-14 3M Innovative Properties Company Cleaning sponge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011038084A1 *

Also Published As

Publication number Publication date
EP2480408A1 (en) 2012-08-01
WO2011038084A1 (en) 2011-03-31

Similar Documents

Publication Publication Date Title
IL216953A0 (en) Fiber composite and process of manufacture
EP2625031A4 (en) Internally reinforced structural composites and associated methods of manufacturing
GB2467417B (en) Method of manufacturing curved composite structural elements
GB2485941B (en) Methods of directed self-assembly and layered structures formed therefrom
EP2561129A4 (en) Inorganic fiber webs and methods of making and using
IL219486A0 (en) Fibrous structures and methods for making same
ZA201109227B (en) Incorporation of nanoparticles in composite fibers
EP2507051A4 (en) Composite core and method of making same
ZA201201982B (en) Composite material of open-cell rigid foam
EP2479320A4 (en) Fiber and fiber structure
ZA201200266B (en) Reinforced roll and method of making same
EP2279291A4 (en) Coferons and methods of making and using them
EP2485678A4 (en) Coferons and methods of making and using them
GB2485749B (en) Coupling structure and method of forming such
EP2381022A4 (en) Inorganic fiber structure and process for producing same
EP2335918A4 (en) Joint structure producing method and joint structure
HRP20190015T1 (en) Plasterboard panels and methods of making the same
IL231251A0 (en) Rigid structure uhmwpe ud and composite and the process of making
EP2480408A4 (en) Foam and fiber composite structures and methods of manufacture
EP2660369A4 (en) Composite spinneret and method of manufacturing composite fiber
EP2555920A4 (en) Composite inorganic particles and methods of making and using the same
EP2323707A4 (en) Manufacturing and use of composite scaffolds
GB0806816D0 (en) Structural foam and manufacture thereof
GB201115521D0 (en) Colorant-polyesters and methods of producing colorant-polyesters
GB0915113D0 (en) Composite concrete article and method of manufacture thereof

Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 20120229

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 SE SI SK SM TR

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

Effective date: 20140103

RIC1 Information provided on ipc code assigned before grant

Ipc: B32B 5/28 20060101ALI20131218BHEP

Ipc: B32B 5/22 20060101AFI20131218BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ESSENTRA POROUS TECHNOLOGIES CORP.

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160401