Drip tray tablet

A - Human Necessities – 01 – N

Patent

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Details

A01N 25/08 (2006.01) A01N 25/34 (2006.01) A01N 63/00 (2006.01) A61L 2/23 (2006.01) C02F 1/50 (2006.01) C11D 7/42 (2006.01)

Patent

CA 2543046

A tablet for use in a drip tray including an excipient selected so that the tablet will not fully dissolve in water at ambient temperature for a period of at least one month, more preferably up to 12 months, a biocide, at least one enzyme, preferably a proteolytic or hydrolase enzyme, and enzyme preserving means, such as a boron compound for maintaining enzyme activity in a moist environment. The excipient may be for example poly vinyl alcohols, high molecular weight polyethylene glycols, high molecular weight polypropylene glycols, esters or partial esters of polyethylene glycols or of polypropylene glycols, and high molecular weight thermoplastic surfactants. The invention also relates to methods for inhibiting the growth of biofilm in an drip tray or the like, including the step of adding to the tray a tablet according to the invention.

L'invention concerne une pastille utilisable dans un bac récepteur, qui contient: un excipient choisi de sorte que la pastille ne se dissout pas complètement dans l'eau à température ambiante pendant une période d'au moins un mois, de préférence jusqu'à 12 mois; un biocide; au moins une enzyme, de préférence une enzyme protéolytique ou hydrolase; un moyen de préservation d'enzymes, tel qu'un composé de bore destiné à maintenir l'activité des enzymes dans un environnement humide. L'excipient peut être, par exemple, des poly(alcools de vinyle), des esters ou des esters partiels de polyéthylèneglycols ou de polypropylèneglycols, et des tensioactifs thermoplastiques de poids moléculaire élevé. L'invention concerne en outre des méthodes destinées à inhiber la croissance de biofilms dans un bac récepteur ou analogue, qui comprennent l'étape consistant à ajouter au plateau une pastille de l'invention.

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