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Current content: 159 823 134 patent documents

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143 307 new documents added

1 003 170 documents amended

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EP 0223573 B1 19910828 - METHOD OF PREPARING FINE-PARTICLE HIGH-LOADED COAL-WATER SLURRY

Title (en)

METHOD OF PREPARING FINE-PARTICLE HIGH-LOADED COAL-WATER SLURRY

Publication

EP 0223573 B1 19910828 (EN)

Application

EP 86308894 A 19861114

Priority

JP 25690085 A 19851116

Abstract (en)

[origin: EP0223573A2] Slurry (8) flowing out from a first stage mill (3a) is supplied to a second stage mill (3b) so as to be ground therein after almost all coarse particles (9b) have been substantially removed therefrom.

IPC 1-7

C10L 1/32; F23K 1/02

IPC 8 full level

B02C 17/00 (2006.01); C10L 1/32 (2006.01); C10L 10/18 (2006.01); F23K 1/02 (2006.01)

CPC (source: EP)

F23K 1/02 (2013.01)

Designated contracting state (EPC)

DE IT SE

DOCDB simple family (publication)

EP 0223573 A2 19870527; EP 0223573 A3 19880921; EP 0223573 B1 19910828; AU 572410 B2 19880505; AU 6510686 A 19870521; CA 1279477 C 19910129; DE 3681123 D1 19911002; JP H0329275 B2 19910423; JP S62116692 A 19870528

DOCDB simple family (application)

EP 86308894 A 19861114; AU 6510686 A 19861113; CA 523028 A 19861114; DE 3681123 T 19861114; JP 25690085 A 19851116