Global Patent Index - EP 0340498 A1

EP 0340498 A1 19891108 - Water-dispersible compositions having a detergent or protective action on steel sheets and a process for their preparation.

Title (en)

Water-dispersible compositions having a detergent or protective action on steel sheets and a process for their preparation.

Title (de)

Wasserdispergierbare Zusammensetzungen mit reinigender oder schützender Wirkung auf Stahlbleche und Verfahren zu ihrer Herstellung.

Title (fr)

Compositions dispersibles dans l'eau ayant une action détergente ou protective pour des tÔles en acier et procédé de préparation.

Publication

EP 0340498 A1 19891108 (EN)

Application

EP 89106585 A 19890413

Priority

IT 2041888 A 19880502

Abstract (en)

There are disclosed water-dispersible compositions having a cleaning action when they are used at a 3-5% concentration and a protective action when they are used at a concentration of 40% or higher. Said compositions are especially useful in forming steel sheets. Also disclosed is a process for their preparation. The composition consists of four components: 1) The reaction product of an ester of phosphoric acid and an amine 2) The reaction product of two carboxylic acids with an alkanolamine. 3) water 4) a co-solvent. r

IPC 1-7

C23F 11/10; C23G 5/06

IPC 8 full level

C10M 173/02 (2006.01); C23F 11/10 (2006.01); C23G 5/06 (2006.01)

CPC (source: EP)

C10M 129/08 (2013.01); C10M 129/40 (2013.01); C10M 129/42 (2013.01); C10M 133/06 (2013.01); C10M 133/08 (2013.01); C10M 133/16 (2013.01); C10M 137/08 (2013.01); C10M 145/38 (2013.01); C10M 173/02 (2013.01); C23F 11/10 (2013.01); C23G 5/06 (2013.01); C10M 2201/02 (2013.01); C10M 2207/022 (2013.01); C10M 2207/023 (2013.01); C10M 2207/046 (2013.01); C10M 2207/123 (2013.01); C10M 2207/125 (2013.01); C10M 2207/126 (2013.01); C10M 2207/127 (2013.01); C10M 2207/129 (2013.01); C10M 2207/18 (2013.01); C10M 2207/20 (2013.01); C10M 2207/22 (2013.01); C10M 2209/104 (2013.01); C10M 2209/105 (2013.01); C10M 2209/109 (2013.01); C10M 2215/04 (2013.01); C10M 2215/042 (2013.01); C10M 2215/08 (2013.01); C10M 2215/082 (2013.01); C10M 2215/086 (2013.01); C10M 2215/12 (2013.01); C10M 2215/122 (2013.01); C10M 2215/26 (2013.01); C10M 2215/28 (2013.01); C10M 2217/046 (2013.01); C10M 2217/06 (2013.01); C10M 2223/04 (2013.01); C10M 2223/042 (2013.01); C10M 2223/043 (2013.01); C10M 2225/00 (2013.01); C10M 2225/02 (2013.01); C10N 2040/20 (2013.01); C10N 2050/01 (2020.05)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0340498 A1 19891108; EP 0340498 B1 19930428; AT E88765 T1 19930515; DE 68906192 D1 19930603; DE 68906192 T2 19930826; ES 2039732 T3 19931001; IT 1217464 B 19900322; IT 8820418 A0 19880502

DOCDB simple family (application)

EP 89106585 A 19890413; AT 89106585 T 19890413; DE 68906192 T 19890413; ES 89106585 T 19890413; IT 2041888 A 19880502