DE69411323D1 - 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 cigarettesInfo
- Publication number
- DE69411323D1 DE69411323D1 DE69411323T DE69411323T DE69411323D1 DE 69411323 D1 DE69411323 D1 DE 69411323D1 DE 69411323 T DE69411323 T DE 69411323T DE 69411323 T DE69411323 T DE 69411323T DE 69411323 D1 DE69411323 D1 DE 69411323D1
- 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
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.
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 true DE69411323D1 (en) | 1998-08-06 |
DE69411323T2 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 (10)
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. |
FI130357B (en) * | 2019-10-22 | 2023-07-20 | Welmu Int Oy | Oriented film of binary polymer composition |
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)
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 |
-
1994
- 1994-04-27 EP EP94106550A patent/EP0623290B1/en not_active Expired - Lifetime
- 1994-04-27 DE DE69411323T patent/DE69411323T2/en not_active Expired - Fee Related
- 1994-04-27 AT AT94106550T patent/ATE167785T1/en not_active IP Right Cessation
- 1994-04-28 CN CN94105365.2A patent/CN1044774C/en not_active Expired - Fee Related
- 1994-04-28 JP JP09203694A patent/JP3537488B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69411323T2 (en) | 1998-11-26 |
CN1096655A (en) | 1994-12-28 |
CN1044774C (en) | 1999-08-25 |
EP0623290A1 (en) | 1994-11-09 |
JP3537488B2 (en) | 2004-06-14 |
ATE167785T1 (en) | 1998-07-15 |
EP0623290B1 (en) | 1998-07-01 |
JPH078253A (en) | 1995-01-13 |
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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 |