Ether carboxylic acids based on alkoxylated...

Details Ether carboxylic acids based on alkoxylated... Ether carboxylic acids based on alkoxylated...

2006-03-07

2006-03-07

Tucker, Philip C. (Department: 1712)

Compositions

Preservative agents

Anti-corrosion

C252S390000, C548S169000, C507S243000, C507S939000

Reexamination Certificate

active

07008561

ABSTRACT:
The present invention relates to compounds of formula (1) and the salts thereof which correspond to formula (2).In the formulae, A is C2- to C4-alkylene, x is a number from 1 to 100, y is a number from 1 to 4, and R is a cation. The compound of formula (1) and/or formula (2) forms a persistent film on metal surfaces, particularly on metal surfaces under stress in metal working and in the operation of crude oil and natural gas processing.

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Machine translation of FR 1.479.049.

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