(19)
(11)
EP 0 197 938 A1
(12)
(43)
Date of publication:
22.10.1986
Bulletin 1986/43
(21)
Application number:
85901251.0
(22)
Date of filing:
19.02.1985
(51)
International Patent Classification (IPC):
B03B
1/
00
( . )
B03D
1/
02
( . )
B03B
9/
00
( . )
C10L
9/
00
( . )
(86)
International application number:
PCT/US1985/000273
(87)
International publication number:
WO 1986/002663
(
09.05.1986
Gazette 1986/10)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE
(30)
Priority:
30.10.1984
US 19840666135
(71)
Applicant:
BROWN COAL CORPORATION
Cincinnati, OH 45246 (US)
(72)
Inventors:
BROWN, George, E., Jr.
Cincinnati, OH 45241 (US)
HOPPERT, Bruce, N.
Cincinnati, OH 45220 (US)
(54)
COAL TREATMENT METHOD AND PRODUCT PRODUCED THEREFROM