Global Patent Index - EP 0021465 B1

EP 0021465 B1 19811021 - PROCESS FOR BRIQUETTING A MATERIAL CONTAINING SPONGE IRON

Title (en)

PROCESS FOR BRIQUETTING A MATERIAL CONTAINING SPONGE IRON

Publication

EP 0021465 B1 19811021 (DE)

Application

EP 80200433 A 19800508

Priority

DE 2919272 A 19790512

Abstract (en)

[origin: US4308055A] An improved process for briquetting sponge iron-containing material wherein as binder there is employed dilute sulfuric acid and the sponge iron-containing material contains at least 40% by weight metallic iron.

IPC 1-7

C22B 1/24; C21B 13/00

IPC 8 full level

C22B 1/243 (2006.01); C21B 13/00 (2006.01); C22B 1/24 (2006.01)

CPC (source: EP US)

C21B 13/0086 (2013.01 - EP US); C22B 1/24 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE DE FR GB NL SE

DOCDB simple family (publication)

EP 0021465 A1 19810107; EP 0021465 B1 19811021; AT E329 T1 19811115; AU 526919 B2 19830203; AU 5832180 A 19801120; CA 1141164 A 19830215; DE 2919272 A1 19801127; DE 3060046 D1 19811224; JP S55161032 A 19801215; US 4308055 A 19811229

DOCDB simple family (application)

EP 80200433 A 19800508; AT 80200433 T 19800508; AU 5832180 A 19800512; CA 351768 A 19800509; DE 2919272 A 19790512; DE 3060046 T 19800508; JP 6266680 A 19800512; US 14847680 A 19800509