Film insert for sedimentation field flow fractionation channel

(19)

(11)

EP 0 104 668 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	15.05.1985 Bulletin 1985/20

(43)	Date of publication A2:
	04.04.1984 Bulletin 1984/14

(21)	Application number: 83109765

(22)	Date of filing: 29.09.1983

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

(30)

Priority:

29.09.1982 US 427474

(71)	Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
	()

(72)	Inventor:
	Johnson, Donald Richard ()

(54)	Film insert for sedimentation field flow fractionation channel

(57) A replaceable thin film is disposed against the outer wall of a sedimentation field flow fractionation channel.