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Application filed by Shell Internationale Research Maatschappij B.V.filedCriticalShell Internationale Research Maatschappij B.V.
Publication of HUP9903681A2publicationCriticalpatent/HUP9903681A2/en
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products
(AREA)
Abstract
The preparation of a bitumen composition involves blowing a mixture with an oxygen-containing gas. The mixture comprises a bitumen having a penetration of at least 300 dm (as measured by ASTM D 5 at 25 deg C) and a thermoplastic rubber in an amount less than 1 wt.%.
HU9903681A1995-12-111996-11-27Bitumen compositions and a process for their preparation
HUP9903681A2
(en)