Patent Number: 6,309,697

Title: Composition for temporarily protecting metal components from corrosion, its processes of preparation and of application, and metal components obtained from this composition

Abstract: The invention concerns a composition useful for providing temporary protection against corrosion to metal surfaces comprising an oil-in-water emulsion characterised in that said emulsion contains in its aqueous phase at least a compound of general formula (I) in which the groups R, R.sub.1 and R.sub.2 represent independently of one another a hydrogen atom, a C.sub.1 -C.sub.20 alkyl group, a C.sub.1 -C.sub.20 halogenoalkyl group with the halogen being chlorine, bromine, iodine or fluorine, a C.sub.3 -C.sub.6 cycloalkyl group, a carboxylic function or a C.sub.1 -C.sub.6 carboxyalkyl group; n is a whole number varying from 1 to 3; and X represents an oxygen or sulphur atom in the form of one of its soluble salts. The invention also concerns a method for preparing said composition, its method of application to the surface of metal part and the resulting part.

Inventors: Scherer; Lothaire (Fos sur Mer, FR), Kefferstein; Ronald (Saint Victoret, FR), Antoine; Philippe (Allee des Tilleuls, FR)

Assignee: Sollac

International Classification: C23F 11/16 (20060101); C23F 11/10 (20060101); B05D 007/14 ()

Expiration Date: 10/30/2018