(19)
(11)
EP 0 179 140 A1
(12)
(43)
Date of publication:
30.04.1986
Bulletin 1986/18
(21)
Application number:
85902331.0
(22)
Date of filing:
19.04.1985
(51)
International Patent Classification (IPC):
C04B
33/
13
( . )
C04B
33/
32
( . )
(86)
International application number:
PCT/US1985/000724
(87)
International publication number:
WO 1985/004858
(
07.11.1985
Gazette 1985/24)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
20.04.1984
US 19840602515
(71)
Applicant:
MERCER, Frederick J.
Housatonic, MA 01236 (US)
(72)
Inventor:
MERCER, Frederick J.
Housatonic, MA 01236 (US)
(74)
Representative:
Frost, Dennis Thomas, et al
WITHERS & ROGERS 4 Dyer's Buildings Holborn
London, EC1N 2JT
London, EC1N 2JT (GB)
(54)
METHOD OF MAKING A CLAY ARTICLE