(19)
(11)
EP 0 418 228 A1
(12)
(43)
Date of publication:
27.03.1991
Bulletin 1991/13
(21)
Application number:
88905289.0
(22)
Date of filing:
31.05.1988
(51)
International Patent Classification (IPC):
C08F
16/
00
( . )
C08F
16/
14
( . )
C08F
214/
26
( . )
C08F
234/
02
( . )
H05K
3/
28
( . )
C08F
14/
00
( . )
C08F
16/
16
( . )
C08F
216/
16
( . )
H05K
1/
03
( . )
(86)
International application number:
PCT/US1988/001702
(87)
International publication number:
WO 1989/012071
(
14.12.1989
Gazette 1989/29)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE
(60)
Divisional application:
94203365.5 / 0645406
(71)
Applicant:
E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)
(72)
Inventor:
SQUIRE, Edward, N.
Glen Mills, PA 19342 (US)
(74)
Representative:
Jones, Alan John, et al
CARPMAELS & RANSFORD 43 Bloomsbury Square
London, WC1A 2RA
London, WC1A 2RA (GB)
(54)
AMORPHOUS COPOLYMERS OR PERFLUORO-2,2-DIMETHYL-1,3-DIOXOLE