(19)
(11)
EP 0 098 297 A1
(12)
(43)
Date of publication:
18.01.1984
Bulletin 1984/03
(21)
Application number:
83900533.0
(22)
Date of filing:
20.12.1982
(51)
International Patent Classification (IPC):
B01J
19/
00
( . )
C01B
33/
033
( . )
B01J
19/
02
( . )
(86)
International application number:
PCT/US1982/001795
(87)
International publication number:
WO 1983/002443
(
21.07.1983
Gazette 1983/17)
(84)
Designated Contracting States:
BE FR
(30)
Priority:
05.01.1982
US 19820337136
(71)
Applicant:
SRI INTERNATIONAL
Menlo Park, California 94025 (US)
(72)
Inventor:
SANJURJO, Angel
San Jose, CA 95132 (US)
(54)
PROCESS AND APPARATUS FOR OBTAINING SILICON FROM FLUOSILICIC ACID