Petroleum oil having improved flow properties

Details Petroleum oil having improved flow properties Petroleum oil having improved flow properties

F - Mech Eng,Light,Heat,Weapons

17

D

196/69

F17D 1/17 (2006.01) C08L 33/08 (2006.01) C10L 1/196 (2006.01)

Patent

CA 2021246

ABSTRACT OF THE DISCLOSURE Crude oils, vacuum gas oils, and residual oils containing long chain polyalkyl (meth)acrylates as flow improvers, wherein the long chain polyalkyl (meth)acrylates are a mixture of (A) a polyalkyl (meth)acrylate P1 having an onset of crystallization at temperatures above 15°C (measured as the cloud point of a 0.1 % solution in isooctane) and (B) a polyalkyl (meth)acrylate P2 having an onset of crystallization at temperatures at or below 15°C, with the proviso that there is a temperature difference of at least 5 Centigrade degrees between the onset of the crystallization of polyalkyl (meth)acrylates P1 and the onset of crystallization of polyalkyl (meth)acrylates P2.

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