Organic/inorganic gels for delivering controlled quantities of active compounds in aqueous solutions
AssigneeEastman Kodak Company
InventorsOlivier Jean Christian Poncelet, Danielle Marie Henriette Wettling, Jeannine Rigola
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Abstract
The invention concerns a composite gel comprising an inorganic matrix containing a fibrous inorganic polymer in which an active organic compound is dispersed. The invention also concerns a device comprising the gel and a process for delivering a controlled quantity of active organic compound in an aqueous solution. The invention applies to the prevention of biological growth in aqueous solutions used domestically, agriculturally or industrially, in particular in the solutions used in photographic processing. FIGURE of the drawing to be published with the Abstract: None
Claims4
A device for delivering a controlled quantity of a biocide compound in an aqueous solution said device comprising means for containing a composite gel said composite gel comprising an inorganic matrix having a biocide compound dispersed therein, said inorganic matrix comprising an fibrous inorganic alumino silicate polymer, wherein said means allow the biocide compound to pass whilst retaining the inorganic matrix when the device is brought into contact with the aqueous solution.
Dependencies are inferred from the claim text.