| http://www.w3.org/ns/prov#value | - hermally cracking a petrolic heavy residual oil at a temperature not lower than 400??? C. and not exceeding 700??? C., said distillate consisting mainly of hydrocarbons boiling in the range of 120??? to 290??? C. and said distillate containing at least 30 weight percent of paraffins and at least 10 weight percent of aliphatic olefins, and separating said reaction product from the resulting mixture
|
