Bituminous product and process for preparing it

Details Bituminous product and process for preparing it Bituminous product and process for preparing it

2006-08-22

2006-08-22

Brunsman, David (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

C106S284100, C106S281100

Reexamination Certificate

active

07094283

ABSTRACT:
The subject of the present invention is a process for preparing a bituminous product, characterized in that a compound based on a phosphoric or polyphosphoric acid supported on a mineral oxide of high porosity is used. The subject of the invention is also the bituminous product that can be obtained by the above process, and its uses.

REFERENCES:
patent: 2450756 (1948-10-01), Hoiberg
patent: 2492994 (1950-01-01), Harman et al.
patent: 2508428 (1950-05-01), Smith et al.
patent: 3782988 (1974-01-01), Alexander et al.
patent: 6074469 (2000-06-01), Collins et al.
patent: 6808558 (2004-10-01), Dupuis et al.

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