A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 2/16 (2006.01) A01N 25/34 (2006.01) A01N 37/16 (2006.01) A01N 37/52 (2006.01) A01N 43/80 (2006.01) A01N 59/00 (2006.01) A61L 2/18 (2006.01)
Patent
CA 2211235
The invention relates to a process for the treatment of a surface with a hygiene agent which comprises the steps of: a) providing at the surface a non-photochemical catalyst (such as a transition metal compound) which catalyses the formation of the hygiene agent from one or more precursors, whereby said catalyst becomes deposited at said surface, and, b) subsequently treating the surface with a treatment agent (such as a solution of hydrogen peroxide) comprising the or each hygiene agent precursor, such that the hygiene agent is generated at said surface. The invention also provides a process which comprises the step of treating the surface which has a non-photochemical catalyst bound thereto with a treatment agent comprising at least one hygiene agent precursor which forms said hygiene agent in the presence of said catalyst and, a process for the manufacture of an article which includes the step of incorporating therein, at the time of manufacture, a non-photochemical catalyst capable of transforming at least one hygiene agent precursor into a hygiene agent.
L'invention porte sur un procédé de traitement d'une surface à l'aide d'un désinfectant, qui consiste à: (a) déposer sur la surface un catalyseur non photochimique (par exemple un composé de métaux de transition) qui catalyse la formation du désinfectant à partir d'un ou plusieurs précurseurs; (b) traiter la surface à l'aide d'un agent de traitement (tel qu'une solution de peroxyde d'hxdrogène) comprenant le ou les précurseurs de sorte que le désinfectant soit généré sur ladite surface. L'invention porte également sur un procédé consistant à traiter la surface à laquelle est intégré un catalyseur non photochimique, à l'aide d'un agent comprenant au moins un précurseur de désinfectant qui produit ledit désinfectant en présence dudit catalyseur. L'invention porte enfin sur un procédé de fabrication d'un article, consistant à incorporer, lors de la fabrication, un catalyseur non photochimique, capable de transformer au moins un précurseur de désinfectant en désinfectant.
Gilbert Peter
Jones Martin Vincent
Marks & Clerk
Plc Unilever
The University Of Manchester
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