AU2005244774B2 - Selective filtration of cigarette smoke using chitosan derivatives - Google Patents

Selective filtration of cigarette smoke using chitosan derivatives Download PDF

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Publication number
AU2005244774B2
AU2005244774B2 AU2005244774A AU2005244774A AU2005244774B2 AU 2005244774 B2 AU2005244774 B2 AU 2005244774B2 AU 2005244774 A AU2005244774 A AU 2005244774A AU 2005244774 A AU2005244774 A AU 2005244774A AU 2005244774 B2 AU2005244774 B2 AU 2005244774B2
Authority
AU
Australia
Prior art keywords
cross
filter
chitosan
resin
linked
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.)
Ceased
Application number
AU2005244774A
Other languages
English (en)
Other versions
AU2005244774A1 (en
Inventor
John W. Caraway Jr.
Thaddeus J. Jackson
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.)
Brown and Williamson Holdings Inc
Original Assignee
Brown and Williamson Holdings 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.)
Filing date
Publication date
Application filed by Brown and Williamson Holdings Inc filed Critical Brown and Williamson Holdings Inc
Publication of AU2005244774A1 publication Critical patent/AU2005244774A1/en
Application granted granted Critical
Publication of AU2005244774B2 publication Critical patent/AU2005244774B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
AU2005244774A 2004-05-10 2005-04-27 Selective filtration of cigarette smoke using chitosan derivatives Ceased AU2005244774B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/842,165 2004-05-10
US10/842,165 US20050247323A1 (en) 2004-05-10 2004-05-10 Selective filtration of cigarette smoke using chitosan derivatives
PCT/US2005/014476 WO2005112671A1 (en) 2004-05-10 2005-04-27 Selective filtration of cigarette smoke using chitosan derivatives

Publications (2)

Publication Number Publication Date
AU2005244774A1 AU2005244774A1 (en) 2005-12-01
AU2005244774B2 true AU2005244774B2 (en) 2009-01-29

Family

ID=34967401

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2005244774A Ceased AU2005244774B2 (en) 2004-05-10 2005-04-27 Selective filtration of cigarette smoke using chitosan derivatives

Country Status (12)

Country Link
US (2) US20050247323A1 (pt)
EP (2) EP1746906A1 (pt)
JP (1) JP4547422B2 (pt)
CN (1) CN101043826A (pt)
AR (1) AR049048A1 (pt)
AU (1) AU2005244774B2 (pt)
BR (1) BRPI0510809A (pt)
CA (1) CA2565112C (pt)
MY (1) MY139894A (pt)
RU (1) RU2336790C2 (pt)
WO (1) WO2005112671A1 (pt)
ZA (1) ZA200609182B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2758056A1 (en) * 2009-03-16 2010-09-23 Protista International Ab Cryotropic hydrogels and their use as filters
US9226524B2 (en) 2010-03-26 2016-01-05 Philip Morris Usa Inc. Biopolymer foams as filters for smoking articles
US9192193B2 (en) 2011-05-19 2015-11-24 R.J. Reynolds Tobacco Company Molecularly imprinted polymers for treating tobacco material and filtering smoke from smoking articles
CN102336921B (zh) * 2011-06-30 2012-09-05 哈尔滨工业大学 一种蒸汽相交联壳聚糖/聚氧化乙烯复合膜的制备方法
GB201112539D0 (en) 2011-07-21 2011-08-31 British American Tobacco Co Porous carbon and methods of production thereof
WO2013036164A2 (ru) * 2011-09-05 2013-03-14 Общество С Ограниченной Ответственностью "Эфтэк" Сегмент сигаретного фильтра
KR102092622B1 (ko) 2012-04-30 2020-03-25 필립모리스 프로덕츠 에스.에이. 에어로젤을 포함하는 흡연 물품 마우스피스
CN102793271B (zh) * 2012-08-31 2015-04-22 福建中烟工业有限责任公司 一种交联壳聚糖多孔微球在卷烟滤嘴中的应用
CN103190704B (zh) * 2013-04-17 2014-06-25 江苏中烟工业有限责任公司 一种选择性降低卷烟烟气中特有亚硝胺的方法
CN103300477B (zh) * 2013-06-18 2015-12-09 云南烟草科学研究院 一种新型滤嘴材料及其制备方法与应用
GB201412752D0 (en) 2014-07-17 2014-09-03 Nicoventures Holdings Ltd Electronic vapour provision system
CN108433176B (zh) * 2018-03-08 2020-12-08 武汉力诚生物科技有限公司 一种植物多糖香烟过滤嘴或过滤嘴棒的生产装置及生产方法
CN108576924B (zh) * 2018-05-17 2020-08-11 江苏工程职业技术学院 一种负载分子筛香烟过滤嘴及其制备方法
CN110179155A (zh) * 2019-05-30 2019-08-30 华侨大学 一种多氨基壳聚糖材料在卷烟滤嘴中的应用
CN113786815A (zh) * 2021-09-26 2021-12-14 桂林清研皓隆复合材料研究院有限公司 一种用于水污染处理的吸附材料及其制备方法
CN117510855B (zh) * 2023-11-09 2024-04-23 广州雷斯曼新材料科技有限公司 一种高纯度二甲基硅油及其制备方法与应用

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5993661A (en) * 1997-04-14 1999-11-30 The Research Foundation Of State University Of New York Macroporous or microporous filtration membrane, method of preparation and use

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176004A (en) * 1961-03-22 1965-03-30 Meiji Seika Kaisha 6-deoxy-6-mercapto-d-glucosamine and a process for the preparation of this compound
GB1509197A (en) * 1974-06-17 1978-05-04 British American Tobacco Co Tobacco-smoke filters
US4018678A (en) * 1974-08-09 1977-04-19 Peniston Quintin P Method of and apparatus for fluid filtration and the like with the aid of chitosan
US4038992A (en) * 1975-09-29 1977-08-02 The Japan Tobacco & Salt Public Corporation Granular composition for tobacco filter
US4125708A (en) * 1977-02-15 1978-11-14 The United States Of America As Represented By The Secretary Of Agriculture Chitosan modified with anionic agent and glutaraldehyde
JPS624702A (ja) * 1985-06-28 1987-01-10 Lion Corp 水溶性アシル化キトサンの製造方法
US5021207A (en) * 1986-12-16 1991-06-04 E. I. Du Pont De Nemours And Company High strength fibers from chitin derivatives
JPH01104305A (ja) * 1987-10-15 1989-04-21 Tadashi Uragami 液体分離用膜
JP3576292B2 (ja) * 1995-10-05 2004-10-13 ダイセル化学工業株式会社 たばこフィルターおよびその製造方法
US6209547B1 (en) * 1998-10-29 2001-04-03 Philip Morris Incorporated Cigarette filter
US20020179106A1 (en) * 2001-03-28 2002-12-05 Zawadzki Michael A. Reduced ignition propensity smoking article with a polysaccharide treated wrapper
US20030159703A1 (en) * 2002-02-22 2003-08-28 Zuyin Yang Flavored carbon useful as filtering material of smoking article
US6814786B1 (en) * 2003-04-02 2004-11-09 Philip Morris Usa Inc. Filters including segmented monolithic sorbent for gas-phase filtration

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5993661A (en) * 1997-04-14 1999-11-30 The Research Foundation Of State University Of New York Macroporous or microporous filtration membrane, method of preparation and use

Also Published As

Publication number Publication date
MY139894A (en) 2009-11-30
EP1746906A1 (en) 2007-01-31
EP2510815A2 (en) 2012-10-17
CA2565112A1 (en) 2005-12-01
JP4547422B2 (ja) 2010-09-22
RU2336790C2 (ru) 2008-10-27
EP2510815A3 (en) 2013-10-30
AU2005244774A1 (en) 2005-12-01
JP2007535929A (ja) 2007-12-13
BRPI0510809A (pt) 2007-11-06
CA2565112C (en) 2011-11-01
AR049048A1 (es) 2006-06-21
RU2006143635A (ru) 2008-06-20
US20050247323A1 (en) 2005-11-10
US20070295345A1 (en) 2007-12-27
ZA200609182B (en) 2008-06-25
CN101043826A (zh) 2007-09-26
WO2005112671A1 (en) 2005-12-01

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FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired