Corrosion inhibitor composition and methods of inhibiting corrosion during acid pickling

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United States of America Patent

PATENT NO 11408079
APP PUB NO 20210032759A1
SERIAL NO

16526021

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Abstract

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A corrosion inhibitor composition, which includes i) an aqueous alcohol base fluid, ii) a mixture of at least three polysaccharides selected from carboxymethyl cellulose, gum arabic, pectin, a salt of alginic acid, chitosan, dextran, hydroxyethyl cellulose, and soluble starch, with each polysaccharide that is present in the mixture being present in an amount of 0.05 to 0.5 wt. %, based on a total weight of the corrosion inhibitor composition, iii) silver nanoparticles, and iv) a pineapple leaves extract. A method of inhibiting corrosion of metal during acid cleaning/pickling whereby the metal is treated with an acidic treatment fluid containing an acid and the corrosion inhibitor composition.

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Patent Owner(s)

Patent OwnerAddress
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSP O BOX 5071 INNOVATION AND INDUSTRIAL RELATION INNOVATION CLUSTER BUILDING DTV DHAHRAN 31261

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Solomon, Moses M Dhahran, SA 3 4
Umoren, Saviour A Dhahran, SA 7 8

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