Global Patent Index - EP 0109548 B1

EP 0109548 B1 19880713 - CORROSION INHIBITORS FOR AQUEOUS SOLUTIONS FOR THE TREATMENT OF METALS, AND PROCESS FOR THEIR PREPARATION

Title (en)

CORROSION INHIBITORS FOR AQUEOUS SOLUTIONS FOR THE TREATMENT OF METALS, AND PROCESS FOR THEIR PREPARATION

Publication

EP 0109548 B1 19880713 (DE)

Application

EP 83110409 A 19831019

Priority

IT 2390382 A 19821025

Abstract (en)

[origin: US4533479A] The invention relates to novel compounds which are particularly suitable as corrosion inhibitors for aqueous liquids for the cleaning of metals, and especially as corrosion inhibitors for oil-free aqueous liquids used for the working of metals, in particular those exposed to corrosion. The compounds according to the invention correspond to the formula <IMAGE> (I) The invention also relates to a process for their preparation.

IPC 1-7

C07C 103/44; C07C 103/64; C07C 103/737; C07C 103/82; C23F 11/14

IPC 8 full level

C07C 67/00 (2006.01); C07C 231/00 (2006.01); C07C 231/08 (2006.01); C07C 231/12 (2006.01); C07C 233/35 (2006.01); C07C 231/02 (2006.01); C07C 233/36 (2006.01); C07C 233/38 (2006.01); C07C 233/62 (2006.01); C07C 233/78 (2006.01); C07D 207/452 (2006.01); C07D 209/48 (2006.01); C10M 133/16 (2006.01); C10M 173/02 (2006.01); C23F 11/14 (2006.01); C10N 30/12 (2006.01); C10N 40/20 (2006.01)

CPC (source: EP US)

C10M 173/02 (2013.01 - EP US); C23F 11/145 (2013.01 - EP US)

Designated contracting state (EPC)

BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0109548 A1 19840530; EP 0109548 B1 19880713; BR 8305869 A 19840529; DE 3377351 D1 19880818; IT 1191046 B 19880224; IT 8223903 A0 19821025; JP S59134761 A 19840802; US 4533479 A 19850806

DOCDB simple family (application)

EP 83110409 A 19831019; BR 8305869 A 19831024; DE 3377351 T 19831019; IT 2390382 A 19821025; JP 19772383 A 19831024; US 54480083 A 19831021