Shell Oil Comapny

Henricus Engelbertus Hendriks

Dirk Adriaan Stoker

Koen Steernberg

Willem C Vonk

Teunis Terlouw

The present invention provides a process for preparing an open-graded asphalt composition which comprises adding a very hard binder component to a mixture of a non-emulsified very soft binder component and aggregate at a temperature of less than 140.degree. C.

Process for preparing an open-graded asphalt composition

The present invention provides a bitumen composition comprising a bitumen component, a thermoplastic rubber in an amount of less than 8 % wt, and an ethylene-vinyl acetate copolymer in an amount of less than 5 % wt, both based on total bitumen composition, wherein the ethylene-vinyl acetate copolymer has a vinyl content in the range of from 20 to 35% wt, based on copolymer; a process for preparing such bitumen composition; and the use of such bitumen compositions in asphalt mixtures for road applications.

Bitumen compositions and a process for their preparation

The present invention provides a process for preparing a dense-graded asphalt composition which comprises adding a hard binder component to a mixture of a soft binder component and aggregate at a temperature of less than 140.degree. C.

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Amsterdam, Netherlands

Henricus Engelbertus Hendriks