EP2411113A4 - Cryotropic hydrogels and their use as filters - Google Patents

Cryotropic hydrogels and their use as filters

Info

Publication number
EP2411113A4
EP2411113A4 EP10753772.2A EP10753772A EP2411113A4 EP 2411113 A4 EP2411113 A4 EP 2411113A4 EP 10753772 A EP10753772 A EP 10753772A EP 2411113 A4 EP2411113 A4 EP 2411113A4
Authority
EP
European Patent Office
Prior art keywords
cryotropic
hydrogels
filters
cryotropic hydrogels
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Withdrawn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
EP10753772.2A
Other languages
German (de)
French (fr)
Other versions
EP2411113A1 (en
Inventor
Ashok Kumar
Haider Sami
Akshay Srivastava
Animangsu Ghatak
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.)
Protista International AB
Original Assignee
Protista International AB
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 Protista International AB filed Critical Protista International AB
Publication of EP2411113A1 publication Critical patent/EP2411113A1/en
Publication of EP2411113A4 publication Critical patent/EP2411113A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • A24D3/066—Use of materials for tobacco smoke filters characterised by structural features in the form of foam or having cellular structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
    • A24D3/068—Biodegradable or disintegrable
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0421—Rendering the filter material hydrophilic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20—Organic adsorbents
    • B01D2253/202—Polymeric adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/34—Specific shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7022—Aliphatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/93—Toxic compounds not provided for in groups B01D2257/00 - B01D2257/708
EP10753772.2A 2009-03-16 2010-03-16 Cryotropic hydrogels and their use as filters Withdrawn EP2411113A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0950156 2009-03-16
PCT/SE2010/050285 WO2010107375A1 (en) 2009-03-16 2010-03-16 Cryotropic hydrogels and their use as filters

Publications (2)

Publication Number Publication Date
EP2411113A1 EP2411113A1 (en) 2012-02-01
EP2411113A4 true EP2411113A4 (en) 2014-10-29

Family

ID=42739856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10753772.2A Withdrawn EP2411113A4 (en) 2009-03-16 2010-03-16 Cryotropic hydrogels and their use as filters

Country Status (5)

Country Link
US (2) US20120160254A1 (en)
EP (1) EP2411113A4 (en)
CN (1) CN102740946A (en)
CA (1) CA2758056A1 (en)
WO (1) WO2010107375A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2830446A1 (en) 2012-03-28 2015-02-04 Philip Morris Products S.A. Liquid tobacco compositions
MX367027B (en) * 2012-04-30 2019-08-01 Philip Morris Products Sa Smoking article mouthpiece including aerogel.
CN105661638B (en) * 2016-01-26 2019-08-30 广东中烟工业有限责任公司 A kind of method of moisture content in raising cigarette smoke
CN108948229B (en) * 2018-06-29 2021-08-06 中南民族大学 4-methyl umbelliferone enrichment material and application thereof
CN113412064B (en) * 2018-12-07 2023-11-24 菲利普莫里斯生产公司 Aerosol-generating article with biodegradable filter material
CN109619686A (en) * 2018-12-28 2019-04-16 山东圣和塑胶发展有限公司 The cooling element and preparation method thereof of rodlike porous electronics flue gas product
CN111067136A (en) * 2019-11-13 2020-04-28 湖北中烟工业有限责任公司 Material for low-temperature cigarette cooling section and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632361A (en) * 1969-06-26 1972-01-04 Fmc Corp Water-insoluble microcrystalline collagen absorbent mat
EP1356865A1 (en) * 2002-04-19 2003-10-29 OMG AG & Co. KG Article comprising a cryogel
KR100743562B1 (en) * 2006-07-20 2007-07-27 금오공과대학교 산학협력단 Polyvinylalcohol/hydroxyapatite cryogel and a method for manufacturing the same
WO2007108770A1 (en) * 2006-03-21 2007-09-27 Protista Biotechnology Ab Composite sorbent material, its preparation and its use

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1565A (en) * 1840-04-24 Movable loading-muzzle for rifles
US3470883A (en) * 1968-08-29 1969-10-07 Nat Patent Dev Corp Tobacco smoke filters
US3977417A (en) * 1973-03-23 1976-08-31 Philip Morris Incorporated Smoking article and process for filtering tobacco smoke employing a cross-linked organic oil filter material
US5502082A (en) * 1991-12-20 1996-03-26 Alliedsignal Inc. Low density materials having good compression strength and articles formed therefrom
US6387495B1 (en) * 1999-04-16 2002-05-14 Kimberly-Clark Worldwide, Inc. Superabsorbent-containing composites
SE0103403D0 (en) * 2001-10-12 2001-10-12 Protista Internat Ab Separation medium, ITS preparation and ITS use
US20050247323A1 (en) * 2004-05-10 2005-11-10 Brown & Williamson Tobacco Corporation Selective filtration of cigarette smoke using chitosan derivatives
BRPI0918673A2 (en) * 2008-09-15 2015-12-01 Albert Mihranyan cryovels of vinyl alcohol copolymers, vinyl alcohol copolymers and methods and products thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632361A (en) * 1969-06-26 1972-01-04 Fmc Corp Water-insoluble microcrystalline collagen absorbent mat
EP1356865A1 (en) * 2002-04-19 2003-10-29 OMG AG & Co. KG Article comprising a cryogel
WO2007108770A1 (en) * 2006-03-21 2007-09-27 Protista Biotechnology Ab Composite sorbent material, its preparation and its use
KR100743562B1 (en) * 2006-07-20 2007-07-27 금오공과대학교 산학협력단 Polyvinylalcohol/hydroxyapatite cryogel and a method for manufacturing the same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ERA JAIN ET AL: "Macroporous interpenetrating cryogel network of poly(acrylonitrile) and gelatin for biomedical applications", JOURNAL OF MATERIALS SCIENCE: MATERIALS IN MEDICINE, KLUWER ACADEMIC PUBLISHERS, BO, vol. 20, no. 1, 3 July 2008 (2008-07-03), pages 173 - 179, XP019770650, ISSN: 1573-4838 *
See also references of WO2010107375A1 *

Also Published As

Publication number Publication date
EP2411113A1 (en) 2012-02-01
US20140113786A1 (en) 2014-04-24
CA2758056A1 (en) 2010-09-23
CN102740946A (en) 2012-10-17
US20120160254A1 (en) 2012-06-28
WO2010107375A1 (en) 2010-09-23

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Legal Events

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

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Effective date: 20111010

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A4 Supplementary search report drawn up and despatched

Effective date: 20140930

RIC1 Information provided on ipc code assigned before grant

Ipc: B01D 39/08 20060101ALI20140924BHEP

Ipc: B01D 39/16 20060101AFI20140924BHEP

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Ipc: A24D 1/04 20060101ALI20140924BHEP

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Effective date: 20141001