Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-04-20
1991-04-02
Friedman, Stanley J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514949, A10N 4380
Patent
active
050047493
ABSTRACT:
Concentrated aqueous solutions of 1,2-benzisothiazolin-3-one are prepared by incorporating a buffering agent such that the pH of the solution is between about 3.0 and 7.0, and further adding a sufficient amount of glutaraldehyde such that a greater amount of such 1,2-benzisothiazolin-3-one is in solution than would be in solution if such glutaraldehyde were not present. Also disclosed is a synergistic biocidal composition comprising glutaraldehyde and 1,2-benzisothiazolin-3-one, as well as an aqueous-based industrial composition comprising such synergistic biocidal composition.
REFERENCES:
K-E Rasmussen et al., "Glutaraldehye, the Influence of pH, Temperature and Buffering on Polymerization Rate", Histochemistry, vol. 38, pp. 19-26 (1974).
Jerusik Russell J.
Mahon Paul F.
Dickheiser William E.
Friedman Stanley J.
ICI Americas Inc.
Imperial Chemical Industries plc
Weddington Kevin
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