Flow improvers and cloud point depressants

Details Flow improvers and cloud point depressants Flow improvers and cloud point depressants

C - Chemistry, Metallurgy

10

M

253/110, 253/128

C10M 145/02 (2006.01) C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01) C10L 1/192 (2006.01) C10L 1/195 (2006.01) C10L 1/196 (2006.01) C10M 145/00 (2006.01) C10M 145/08 (2006.01) C10M 145/16 (2006.01) C10M 157/00 (2006.01) C10M 161/00 (2006.01) C10L 1/22 (2006.01)

Patent

CA 1310956

ABSTRACT FLOW IMPROVERS AND CLOUD POINT DEPRESSANTS Additives suitable for improving the flow and/or depressing the cloud point of crude oils, lubricating oils and especially fuel oils are polymers containing defined alkyl groups of at least 8 carbon atoms chain length. Such polymers are either (a) of a mixture of monomers having only two alkyl groups one being at least 3 carbon atoms longer than the other or (b) of a mixture of monomers having only three alkyl groups each differing by at least 3 carbon atoms and the middle alkyl group being half the combined length of the other two. Alternatively, the polymer may be derived from a monomer having the two defined alkyl groups (a) or the three defined alkyl groups (b).

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