FILTER SYSTEM TO PURIFY AIR OF SMOKING ROOMS - Patent 0672232

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EP 0 672 232 A1

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(43)	Date of publication:
	20.09.1995 Bulletin 1995/38

(21)	Application number: 94901966.0

(22)	Date of filing: 09.12.1993

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International Patent Classification (IPC):

E04H 1/ 12^{( . )}
B01D 53/ 34^{( . )}
F24F 3/ 16^{( . )}

B01D 46/ 00^{( . )}
B01D 53/ 81^{( . )}
F24F 3/ 044^{( . )}

(86)	International application number:
	PCT/FI1993/000530

(87)	International publication number:
	WO 1994/014013 (23.06.1994 Gazette 1994/14)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

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Priority:

11.12.1992 FI 19920005653

(71)	Applicant: RAIPPALINNA, Jaakko
	SF-07900 Loviisa (FI)

(72)	Inventor:
	RAIPPALINNA, Jaakko SF-07900 Loviisa (FI)

(74)	Representative: Weitzel, Wolfgang, Dr.-Ing. Patentanwalt
	Friedenstrasse 10 D-89522 Heidenheim D-89522 Heidenheim (DE)

(54)	FILTER SYSTEM TO PURIFY AIR OF SMOKING ROOMS