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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 0341536 B1 19920102 - MIXTURES OF ALKENYLSUCCINIC ACIDS, ARYLSULFONYLANTHRANILIC ACIDS AND ALKANOL AMINES AND THEIR USE AS CORROSION INHIBITORS IN AQUEOUS SYSTEMS

Title (en)

MIXTURES OF ALKENYLSUCCINIC ACIDS, ARYLSULFONYLANTHRANILIC ACIDS AND ALKANOL AMINES AND THEIR USE AS CORROSION INHIBITORS IN AQUEOUS SYSTEMS

Publication

EP 0341536 B1 19920102 (DE)

Application

EP 89107873 A 19890429

Priority

DE 3815884 A 19880510

Abstract (en)

[origin: EP0341536A1] The invention relates to a corrosion inhibitor containing synergistic mixtures of arylsulphonylanthranilic acids, alkenylsuccinic acids and alkanolamines, and to the use thereof as highly effective, low-foaming corrosion inhibitors, insensitive to water hardness, in aqueous systems.

IPC 1-7

C23F 11/10

IPC 8 full level

C23F 11/10 (2006.01)

CPC (source: EP)

C23F 11/10 (2013.01)

Designated contracting state (EPC)

AT BE DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0341536 A1 19891115; EP 0341536 B1 19920102; AT E71158 T1 19920115; DE 3815884 A1 19891123; DE 58900650 D1 19920213

DOCDB simple family (application)

EP 89107873 A 19890429; AT 89107873 T 19890429; DE 3815884 A 19880510; DE 58900650 T 19890429