Patent ID: 6063972
Filing Date: 2000-05-16
Classification: C09K,C10L,Y10S,Y10T

Abstract:
A method of inhibiting or retarding hydrate formation comprising adding to a medium susceptible to hydrate formation an effective inhibiting or retarding amount of (a) a corrosion inhibitor (hereinafter called Additive (i) and (b) a salt which is of formula [R.sup.1 (R.sup.2)XR.sup.3 ].sup.+ Y.sup.-, wherein each of R.sup.1, R.sup.2 and R.sup.3 is bonded directly to X, each of R.sup.1 and R.sup.2, which may be the same or different is an alkyl group of at least 4 carbons, X is S, NR.sup.4 or PR.sup.4, wherein each of R.sup.3 and R.sup.4 which may be the same or different represents hydrogen or an organic group, with the proviso that at least one of R.sup.3 and R.sup.4 is an organic group of at least 4 carbons, and Y is an anion (hereinafter called Additive (ii)).