The invention concerns the use as filler in a rubber composition based on an elastomer, of a compound consisting of an amorphous aluminum hydroxycarbonate, hydroxyoxycarbonate or oxycarbonate. The invention also concerns rubber compositions comprising such a filler and finished products based on such a composition.

 
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> Process for the treatment of gases with high oxygen content, with a view to controlling nitrogen oxide emissions, using a catalytic composition comprising cerium oxide and/or zirconium oxide

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