Organic/inorganic gels for delivering controlled quantities of a

Details Organic/inorganic gels for delivering controlled quantities of a Organic/inorganic gels for delivering controlled quantities of a

1996-02-09

1997-11-04

Choi, Kathleen

Stock material or miscellaneous articles

Composite

Of inorganic material

428688, 4233281, 4233301, 424405, 424409, C01B 3326

Patent

active

056838263

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.

REFERENCES:
patent: 4010233 (1977-03-01), Winter et al.
patent: 4252779 (1981-02-01), Farmer
patent: 5229124 (1993-07-01), Rei et al.

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