(19) |
![](https://data.epo.org/publication-server/img/EPO_BL_WORD.jpg) |
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(11) |
EP 0 434 339 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
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09.10.1991 Bulletin 1991/41 |
(43) |
Date of publication A2: |
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26.06.1991 Bulletin 1991/26 |
(22) |
Date of filing: 17.12.1990 |
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(84) |
Designated Contracting States: |
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AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
(30) |
Priority: |
18.12.1989 US 452175 06.11.1990 US 606287 07.12.1990 US 621499
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(71) |
Applicant: R.J. REYNOLDS TOBACCO COMPANY |
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Winston-Salem
North Carolina 27102 (US) |
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(72) |
Inventors: |
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- Saintsing, Barry Lynn
Lexington,
North Carolina 27292 (US)
- Wong, Milly Mee Lee
Winston-Salem,
North Carolina 27106 (US)
- Perfetti, Thomas Albert
Winston-Salem,
North Carolina 27103 (US)
- White, Jackie Lee
Pfafftown,
North Carolina 27040 (US)
- Redding, Jerry Wayne
Lexington,
North Carolina 27292 (US)
- Shu, Chi-Kuen
Winston-Salem,
North Carolina 27106 (US)
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(74) |
Representative: Skailes, Humphrey John et al |
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Frank B. Dehn & Co.
Imperial House
15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB) |
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(54) |
Cigarette and cigarette filter element therefor |
(57) A cigarette comprises a blend of tobacco materials and a filter element provided
from a non-woven thermoplastic material. The non-woven material comprises polyester
or polypropylene fibers. The non-woven material is in intimate contact with an acidic
material (e.g. phosphoric acid) or a basic material (e.g., sodium hydroxide).