Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Elemental sulfur or compound thereof
Patent
1998-06-01
2000-05-30
Dees, Jose' G.
Drug, bio-affecting and body treating compositions
Inorganic active ingredient containing
Elemental sulfur or compound thereof
424615, 424663, 424665, 424680, 424723, A01N 3900, A01N 5902, A01N 5908, A01N 5900
Patent
active
060688610
ABSTRACT:
Described is a process of producing a concentrated liquid biocide formulation. Mixed together are (a) bromine chloride or bromine and (b) an aqueous solution of alkali metal salt of sulfamic acid having a pH of at least about 7, in amounts such that (i) the active bromine content of the solution is at least about 100,000 ppm (wt/wt), and (ii) the atom ratio of nitrogen to active bromine from (a) and (b) is greater than 1 when bromine is used and is greater than 0.93 when bromine chloride is used. Use of bromine chloride as the source of the active bromine in the process is preferred because in the resulting aqueous compositions, all of the bromine of the bromine chloride is made available as active bromine in solution. In other words, the chlorine of the bromine chloride is converted in the process to dissolved alkali metal chloride salt, thereby liberating all of the bromine as the active bromine content of the biocidal composition.
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Moore, Jr. Robert M.
Nalepa Christopher J.
Albemarle Corporation
Dees Jos,e G.
Pryor Alton
Spielman, Jr. E. E.
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