Patent ID: 9518184
Filing Date: 2016-12-13
CPC Classification: C08L,G01N

Claim Text:
1. A method of preparing bitumen comprising: obtaining an inflection point value for a mixed bitumen product stream sample comprising at least two bitumen feed streams; wherein the inflection point value correlates to the stability of the mixed bitumen product stream based on the amount of added non-solvent; wherein the obtaining the inflection point value occurred by: modifying the mixed bitumen product stream when the inflection point value occurs at a ratio of less than about 2 mL of added non-solvent per 1 gram of the mixed bitumen product stream sample wherein the modifying the mixed bitumen product stream is selected from the group consisting of: giving a result selected from the group consisting of: where the at least two bitumen feed streams are selected from the group consisting of: at least two bitumen feed streams where both bitumen feed streams comprises bitumen; and at least one bitumen feed stream comprising bitumen and at least one heavy hydrocarbon.