Global Patent Index - EP 0033203 A2

EP 0033203 A2 19810805 - Substrate for catalytic system and ferritic stainless steel from which it is formed.

Title (en)

Substrate for catalytic system and ferritic stainless steel from which it is formed.

Title (de)

Trägerwerkstoff für Katalysatoren und ferritischer rostfreier Stahl, aus dem der genannte Träger hergestellt wird.

Title (fr)

Support pour catalyseur et acier ferritique inoxydable, utilisé pour sa fabrication.

Publication

EP 0033203 A2 19810805 (EN)

Application

EP 81300144 A 19810114

Priority

US 11564780 A 19800128

Abstract (en)

A system comprising a ferritic stainless steel substrate having a tightly adherent oxide coating and a catalytic material thereupon, and the ferritic stainless steel from which the substrate is formed. The ferritic stainless steel is of a chemistry which forms a tightly adherent non-spalling scale suitable for application of a catalytic bearing material and consists essentially of, by weight, up to 26% chromium, from 1 to 8% aluminium, between 0.01 and 0.1% yttrium, up to 0.1% carbon, up to 2% silicon, balance essentially iron.

IPC 1-7

C22C 38/18

IPC 8 full level

C22C 38/00 (2006.01); B01J 23/86 (2006.01); C22C 38/18 (2006.01)

CPC (source: EP)

C22C 38/18 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0033203 A2 19810805; EP 0033203 A3 19810826; CA 1170481 A 19840710; JP S56121641 A 19810924

DOCDB simple family (application)

EP 81300144 A 19810114; CA 368518 A 19810114; JP 1145281 A 19810128