Disaggregation of asphaltenes in incompatible petroleum oil...

Details Disaggregation of asphaltenes in incompatible petroleum oil... Disaggregation of asphaltenes in incompatible petroleum oil...

2006-04-18

2006-04-18

Griffin, Walter D. (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

C208S177000, C250S301000

Reexamination Certificate

active

07029570

ABSTRACT:
The thermal decomposition of Athabasca asphaltene at relatively low (<350° C.) temperatures is believed to proceed by elimination of groups situated on peripheral sites of the asphaltene. More severe degradation of the asphaltene structure does not occur until elevated (>350° C.) temperatures are attained.

REFERENCES:
patent: 3136711 (1964-06-01), Glaser et al.
patent: 4514283 (1985-04-01), Closmann et al.
patent: 5207891 (1993-05-01), Sung et al.
Moschopedis, Speros E. et al., “Thermal Decomposition of Asphaltenes”, 1978, Fuel, vol. 57, Issue 7, 431-434.

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