Detergent additive-containing mineral oils having improved...

Details Detergent additive-containing mineral oils having improved... Detergent additive-containing mineral oils having improved...

C - Chemistry, Metallurgy

10

L

C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 10/14 (2006.01)

Patent

CA 2691060

The invention relates to the use of at least one oil-soluble compound B) which acts as a nucleating agent for paraffin crystallization and which is selected from substantially linear hydrocarbons with at least 22 C atoms, for improving the response of cold flow improvers for mineral oils C) in middle distillates that contain at least one ashless, nitrogenous detergent additive A), which is an oil-soluble, amphiphilic compound that comprises at least one alkyl or alkenyl group bound to a polar group, said alkyl or alkenyl group having 10 to 500 C atoms and the polar group having 2 or more nitrogen atoms.

L'invention concerne l'utilisation d'au moins un composé B) oléosoluble agissant comme agent de nucléation pour la cristallisation de paraffines, ce composé B) étant choisi parmi des hydrocarbures sensiblement linéaires comportant au moins 22 atomes de carbone, pour renforcer la réponse d'améliorants C) de la fluidité à froid des huiles minérales dans des distillats moyens contenant au moins un additif détergent A) azoté exempt de cendres. Ledit additif détergent A) est un composé amphiphile oléosoluble qui comprend au moins un groupe alkyle ou alcényle lié à un groupe polaire, le groupe alkyle ou alcényle comportant 10 à 500 atomes de carbone et le groupe polaire comportant au moins deux atomes d'azote.

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