C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 10/04 (2006.01) C07D 207/412 (2006.01) C07D 263/04 (2006.01) C07D 413/06 (2006.01) C10G 29/20 (2006.01) C10G 75/02 (2006.01) C10L 1/22 (2006.01)
Patent
CA 2708368
The present invention relates to formulations of asphaltenes' inhibitor- dispersant additives based on oaxazolidine derived from polyalkyl or polyalkenyl N- hydroxyalkyl succinimides. Said formulations can contain inert organic solvents, preferably including: toluene, mixtures of xylene, o-xylene, p-xylene, kerosene, turbo- fuel; or inert hydrocarbon solvents having boiling points within the range of gasoline and diesel; or inert hydrocarbon or organic solvents having a boiling point within a range from 75 to 300°C. The ratio in weight of inert organic solvents to additive that prevents and controls the precipitation and deposition of asphaltenes ranges from 1:9 to 9:1, preferably from 1: 3 to 3:1.
La présente invention concerne des formulations d'additif inhibiteur/dispersant d'asphaltènes à base d'oxazolidines dérivées de polyalkyl ou polyalcényl N-hydroxyalkyl succinimides. Ces formulations peuvent contenir des solvants organiques inertes, et notamment, de préférence, du toluène, des mélanges de xylène, de l'o-xylène, du p-xylène, du kérosène et de la turbosine, ou des solvants hydrocarbonés inertes dont les points d'ébullition sont compris entre ceux de l'essence et du carburant diesel, ou des solvants hydrocarbonés ou organiques inertes dont le point d'ébullition est compris entre 75 et 300°C. Le rapport en poids entre les solvants organiques inertes et l'additif prévenant et régulant la précipitation et le dépôt d'asphaltènes varie entre 1:9 et 9:1, de préférence entre 1:3 et 3:1.
Barcenas Castaneda Mariana
Beltran Conde Hiram Issac
Buenrostro Gonzalez Eduardo
Douda Youri
Hernandez Altamirano Raul
Gowling Lafleur Henderson Llp
Instituto Mexicano Del Petroleo
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