Method for reducing hydrogen sulfide evolution from asphalt

C - Chemistry – Metallurgy – 08 – L

Patent

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C08L 95/00 (2006.01) C08J 3/20 (2006.01) C08K 3/38 (2006.01) C10C 3/02 (2006.01)

Patent

CA 2713732

Hydrogen sulfide evolution from asphalt may be reduced or eliminated using an additive to act as a scavenger. Metal borate complexes when used as an additive in asphalt production, are an effective component in preventing or mitigating the evolution of hydrogen sulfide from asphalt. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b)

Le dégagement de sulfure d'hydrogène à partir de l'asphalte qui peut être réduit ou éliminé à l'aide d'un additif pour servir d'adsorbant. Des complexes de borate métallique lorsqu'ils sont utilisés en tant qu'additif dans la production d'asphalte sont un composant efficace dans la prévention ou la limitation du dégagement de sulfure d'hydrogène à partir de l'asphalte. On souligne que cet abrégé est présenté pour satisfaire les règles nécessitant un abrégé qui permettra à un chercheur ou autre lecteur d'évaluer rapidement l'objet de la divulgation technique. Il est entendu qu'il ne sera pas utilisé pour interpréter ou limiter la portée ou la signification des revendications. 37 CFR 1.72(b)

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