(19)
(11)
EP 0 045 318 A1
(12)
(43)
Date of publication:
10.02.1982
Bulletin 1982/06
(21)
Application number:
81900607.0
(22)
Date of filing:
03.02.1981
(51)
International Patent Classification (IPC):
B01D
53/
02
( . )
G21F
9/
02
( . )
B01J
20/
32
( . )
(86)
International application number:
PCT/US1981/000144
(87)
International publication number:
WO 1981/002256
(
20.08.1981
Gazette 1981/20)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
04.02.1980
US 19800118554
(71)
Applicants:
UNDERHILL, Dwight W.
Pittsburgh, PA 15206 (US)
LASKIE, James R.
Wellesley, MA 02181 (US)
(72)
Inventors:
UNDERHILL, Dwight W.
Pittsburgh, PA 15206 (US)
LASKIE, James R.
Wellesley, MA 02181 (US)
(54)
IMPREGNATED CHARCOAL FOR REMOVING RADIOACTIVE MOLECULES FROM GASES