(19)
(11)
EP 0 586 541 A1
(12)
(43)
Date of publication:
16.03.1994
Bulletin 1994/11
(21)
Application number:
92912509.0
(22)
Date of filing:
19.05.1992
(51)
International Patent Classification (IPC):
C08J
9/
16
( . )
B01J
13/
22
( . )
C08J
9/
32
( . )
B01J
13/
20
( . )
C08J
9/
22
( . )
C09D
7/
12
( . )
(86)
International application number:
PCT/US1992/004156
(87)
International publication number:
WO 1992/020465
(
26.11.1992
Gazette 1992/29)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE
(30)
Priority:
24.05.1991
US 19910705545
(71)
Applicant:
PIERCE & STEVENS CORP.
Buffalo, NY 14240-1092 (US)
(72)
Inventor:
MELBER, George E.
DePew, NY 14043 (US)
(74)
Representative:
Calamita, Roberto
Frank B. Dehn & Co. Imperial House 15-19 Kingsway
London WC2B 6UZ
London WC2B 6UZ (GB)
(54)
PROCESS FOR DRYING MICROSPHERES