DE69411323T2 - Reprocessing of cellulose esters from waste products that are produced in the manufacture of cigarettes - Google Patents

Reprocessing of cellulose esters from waste products that are produced in the manufacture of cigarettes

Info

Publication number
DE69411323T2
DE69411323T2 DE69411323T DE69411323T DE69411323T2 DE 69411323 T2 DE69411323 T2 DE 69411323T2 DE 69411323 T DE69411323 T DE 69411323T DE 69411323 T DE69411323 T DE 69411323T DE 69411323 T2 DE69411323 T2 DE 69411323T2
Authority
DE
Germany
Prior art keywords
manufacture
cigarettes
reprocessing
produced
cellulose ester
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.)
Expired - Fee Related
Application number
DE69411323T
Other languages
German (de)
Other versions
DE69411323D1 (en
Inventor
John B Hopkins Jr
Howard T Bradsher
David O Kutscher
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.)
Celanese Acetate LLC
Original Assignee
Celanese Acetate LLC
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 Celanese Acetate LLC filed Critical Celanese Acetate LLC
Publication of DE69411323D1 publication Critical patent/DE69411323D1/en
Application granted granted Critical
Publication of DE69411323T2 publication Critical patent/DE69411323T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/36—Removing papers or other parts from defective cigarettes

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

A process for recycling waste from the manufacture of filtered cigarettes is disclosed herein. The process comprises the following steps: A waste stream from the manufacture of filtered cigarettes is provided. The waste stream includes tobacco, filter tips comprising cellulose ester polymer, and paper. A substantial portion of the filter tips is separated from this waste stream. The filter tips are washed with a sufficient volume of water to liberate bound tipping paper and to remove contaminants from the cellulose ester polymer. The cellulose ester polymer may then be dried, resolutioned, and processed into useful articles of commerce.
DE69411323T 1993-04-30 1994-04-27 Reprocessing of cellulose esters from waste products that are produced in the manufacture of cigarettes Expired - Fee Related DE69411323T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5622893A 1993-04-30 1993-04-30
US20996594A 1994-03-18 1994-03-18

Publications (2)

Publication Number Publication Date
DE69411323D1 DE69411323D1 (en) 1998-08-06
DE69411323T2 true DE69411323T2 (en) 1998-11-26

Family

ID=26735121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69411323T Expired - Fee Related DE69411323T2 (en) 1993-04-30 1994-04-27 Reprocessing of cellulose esters from waste products that are produced in the manufacture of cigarettes

Country Status (5)

Country Link
EP (1) EP0623290B1 (en)
JP (1) JP3537488B2 (en)
CN (1) CN1044774C (en)
AT (1) ATE167785T1 (en)
DE (1) DE69411323T2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662773A (en) * 1995-01-19 1997-09-02 Eastman Chemical Company Process for preparation of cellulose acetate filters for use in paper making
CN101337230B (en) * 2008-04-16 2010-06-02 徐州华正机电设备有限公司 Defective cigarette holder processing and recovering technique
CN101497705B (en) * 2009-02-24 2011-09-14 合肥烟草工贸总公司 Process for recovering polypropylene in waste polypropylene fibre beam filtertip leftover
CN101575421B (en) * 2009-06-24 2012-11-21 合肥工业大学 Method for recovering polypropylene in leftovers of filament tow mouth bar of waste polypropylene
IT1407849B1 (en) * 2010-03-23 2014-05-16 Matteri Fabio Tt S R L PROCEDURE FOR RECYCLING CIGARETTE AND SIMILAR BUNCHES
IT201700074199A1 (en) * 2017-07-03 2019-01-03 Univ Degli Studi Niccolò Cusano Telematica Roma PROCEDURE FOR THE PRODUCTION OF NICOTINE FROM URBAN WASTE AND ITS IMPLEMENTATION SYSTEM.
CN113815151B (en) * 2021-09-14 2023-03-14 云南恒罡科技有限公司 Method for recovering discarded filter rods of cigarettes
GR20210100730A (en) * 2021-10-25 2023-05-10 Κωνσταντινος Ανδρεα Ζαχαροπουλος Cigarette filter cleaning method
CN115053984B (en) * 2022-06-29 2023-07-18 河南中烟工业有限责任公司 Method for preparing tobacco stem extract by using near-critical water liquefaction technology

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1003000A (en) * 1962-05-11 1965-09-02 American Mach & Foundry Method and apparatus for removal of tips from scrap cigarettes
US3615997A (en) * 1968-06-19 1971-10-26 Reynolds Tobacco Co R Method of making a reconstituted cigarette filter
DE2213996C3 (en) * 1972-03-22 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Frequency-selective attenuation measuring station that can be used in particular in wobble operation
US4261790A (en) * 1979-08-22 1981-04-14 Philip Morris Incorporated Apparatus for stripping filter paper from filter rod
US4298013A (en) * 1980-04-28 1981-11-03 Philip Morris, Inc. Method for recycling cellulosic waster materials from tobacco product manufacture
US4457317A (en) * 1982-08-09 1984-07-03 Eastman Kodak Company Method of removal of paper wraps from cigarette filter rods
GB2151899A (en) * 1983-12-22 1985-07-31 Tabac Fab Reunies Sa Method of re-using waste fibres

Also Published As

Publication number Publication date
JPH078253A (en) 1995-01-13
EP0623290A1 (en) 1994-11-09
DE69411323D1 (en) 1998-08-06
JP3537488B2 (en) 2004-06-14
CN1096655A (en) 1994-12-28
ATE167785T1 (en) 1998-07-15
CN1044774C (en) 1999-08-25
EP0623290B1 (en) 1998-07-01

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: CELANESE ACETATE, LLC., CHARLOTTE, N.C., US

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee