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1. (WO2018185429) RUST CONVERSION AGENT

Pub. No.:    WO/2018/185429    International Application No.:    PCT/FR2018/050833
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Thu Apr 05 01:59:59 CEST 2018
IPC: C09D 5/08
C23C 22/27
C09D 7/63
C23C 22/07
C08K 5/098
C08K 5/101
C08K 5/12
Applicants: ASCOTEC
Inventors: ROUVREAU, Sabine
GAILLON, Christine
Title: RUST CONVERSION AGENT
Abstract:
The invention concerns a rust conversion agent consisting of one or more hydroxylated organic acid salts or a hydroxylated organic acid derivative, at least one of a passivating compound and a sequestering compound, and a solvent, the hydroxylated organic acid or acids or said derivative or derivatives being chosen from the hydroxylated carboxylic acids and the derivatives of same, different from tannic acid, and the carboxylic functions of which are chosen from the free carboxylic functions, the ester functions, the lactone functions and the anhydride functions.