Bifunctional material for nitric oxide storage and...

B - Operations – Transporting – 01 – J

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B01J 20/18 (2006.01) A61K 8/19 (2006.01) A61K 33/34 (2006.01) A61L 29/16 (2006.01) A61L 31/16 (2006.01) B01J 29/072 (2006.01)

Patent

CA 2706507

The present invention relates to a bifunctional material which comprises copper and which is capable of storing nitric oxide (NO), as well as catalytically producing nitric oxide from a suitable precursor. The material typically comprises a zeolite and the copper may be part of, or separate from the zeolite. In this manner, the material may comprise a single bifunctional material; that is, a material which is capable of both storing NO and catalytically producing NO, such as Cu-MFT or Cu-X. Alternatively the material may comprise at least two components, a first component to store NO, such as a zeolite Zn-LTA, and a further component comprising Cu(I), such as Cu2O, to catalytically produce NO from a suitable precursor. The bifunctional material is used in a pharmaceutical, neutraceutical or cosmetic preparation, or comprised in a medical article, a cosmetic and/or personal hygiene product.

La présente invention concerne un matériau bifonctionnel qui comprend du cuivre et qui est capable de stocker de l'oxyde nitrique (NO), ainsi que de produire de manière catalytique de l'oxyde nitrique à partir d'un précurseur approprié. Le matériau comprend habituellement une zéolite et le cuivre peut faire partie de la zéolite ou en être séparé. De cette manière, le matériau peut comprendre un seul matériau bifonctionnel; c'est-à-dire un matériau qui est capable à la fois de stocker le NO et de produire de manière catalytique le NO, tel que Cu-MFI ou Cu-X. En variante, le matériau peut comprendre au moins deux composants, un premier composant pour stocker le NO, tel qu'une zéolite Zn-LTA, et un autre composant comprenant Cu(I), tel que Cu20, pour produire de manière catalytique NO à partir d'un précurseur approprié. Le matériau bifonctionnel est utilisé dans une préparation pharmaceutique, nutraceutique ou cosmétique, ou inclus dans un article médical, un produit cosmétique et/ou d'hygiène personnelle.

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