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Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.: (2006.01)	B01D 33/00 B01D 33/15

Patent
(11)	Number of the document	2265
(13)	Kind of document	B
(21)	Application number	RP743
(22)	Date of filing the application	1993-07-01
(41)	Date of publication of the application
(45)	Date of publication of patent	1993-12-15

PCT application
(86)	Number	1678194
	Date	1985-11-13

Priority applications
(30)	Number	Date	Country code
	85251	1984-03-14	LU
	PCT/BE85/00004	1985-02-28	WO

Applicant
(71)	PRAYON-RUPEL TECHNOLOGIES S.A., 144, rue Joseph Wauters, B-4480 Engis, BE

Inventors
(72)	Armand DAVISTER, BE Georges Francois MARTIN, BE

Grantee
(73)	PRAYON-RUPEL TECHNOLOGIES S.A., 144, rue Joseph Wauters, B-4480 Engis, BE

Attorney or representative
(74)	Rita LAURINAVIČIŪTĖ, Gedimino pr. 45-6, LT-01109 Vilnius, LT

Title
(54)

Last renewal fee
	Payment date	Validity (years)	Amount
	1999-06-29	9	100.00 LTL

Next renewal fee
	2002-07-01

Legal status
	Patent expired
	Invalidation date	2000-02-28