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Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 0002780 B1 19801126 - USE OF CORROSION INHIBITORS IN AQUEOUS SYSTEMS

Title (en)

USE OF CORROSION INHIBITORS IN AQUEOUS SYSTEMS

Publication

EP 0002780 B1 19801126 (DE)

Application

EP 78101757 A 19781219

Priority

DE 2758123 A 19771224

Abstract (en)

[origin: US4207285A] A process for preventing the corrosion of metals in aqueous systems by means of low-foam corrosion inhibitors consisting of alkanolamine salts of maleamic acids.

IPC 1-7

C23F 11/14; C07C 103/153

IPC 8 full level

C23F 11/14 (2006.01)

CPC (source: EP US)

C23F 11/145 (2013.01 - EP US)

Designated contracting state (EPC)

BE DE FR GB IT SE

DOCDB simple family (publication)

EP 0002780 A1 19790711; EP 0002780 B1 19801126; DE 2758123 A1 19790705; DE 2860352 D1 19810212; US 4207285 A 19800610

DOCDB simple family (application)

EP 78101757 A 19781219; DE 2758123 A 19771224; DE 2860352 T 19781219; US 97123478 A 19781220