(19)
(11)
EP 0 822 755 A1
(12)
(43)
Date of publication:
11.02.1998
Bulletin 1998/07
(21)
Application number:
96913522.0
(22)
Date of filing:
19.04.1996
(51)
International Patent Classification (IPC):
A23F
5/
48
( . )
B01D
53/
04
( . )
A23F
5/
50
( . )
(86)
International application number:
PCT/EP1996/001690
(87)
International publication number:
WO 1996/033622
(
31.10.1996
Gazette 1996/48)
(84)
Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
(30)
Priority:
24.04.1995
EP 19950201039
(71)
Applicant:
SOCIETE DES PRODUITS NESTLE S.A.
1800 Vevey (CH)
(72)
Inventors:
SASAKI, Takuya
Shizuoka 426 (JP)
TSAI, Chun-Dar
Galveston, TX 1426 (US)
WESTFALL, Scott
Marysville, OH 43040 (US)
(54)
TREATMENT OF COFFEE AROMA GAS