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Main.PHOTOGRAPHY.Biocides..IsoThiazolinone..1,2-BenzIsoThiazolinone.Co.: USA. E.Patent.Claims Etc.Claim 1: PhotoProcessing Wash Water.Tank Apparatus Inhibiting Bacterial.Growth in Wash Water; Apparatus.Comprising Container having Fluid.Inlet means to Receive Water.from Tank & Fluid Outlet Means.to Return Wash Water to Tank;.Inlet & Outlet Means Communicating.with Inner Chamber Holds.Biocidal Material Comprising.Organic Biocide Immobilised on.Polymeric Support Water-Insoluble.& Biocide Covalently Bound to.Support. Claim 2: Biocide is.IsoThiazolinone. Claim 3:.Polymer Support Select:.PolyUrethane Etc. Patent Assignee |