Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1996-09-13
1997-11-04
Richter, Johann
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
252405, 548209, 510131, 510161, 510319, C07D27506, C11D 348, C09K 1516
Patent
active
056840250
ABSTRACT:
Liquid formulations of 1,2-benzisothiazolin-3-one, and methods for making such formulations, are disclosed. Formulations according to the invention contain about 1 to 25 percent by weight 1,2-benzisothiazolin-3-one, about 3 to 7 percent by weight of sodium hydroxide, about 3 to 63 percent by weight of water and about 20 to 65 percent by weight of one or more polyglycol triols having the formula: ##STR1## wherein nx, ny and nz are individually selected from the group consisting of 2 and 3, and, when nx, ny and nz are each equal to 2, X+Y+Z has a value equal to or less than about 13.2, and, when nx, ny and nz are each equal to 3, X+Y+Z has a value equal to or less than about 4.45. Formulations exhibiting improved low temperature stability are also prepared by blending of specified co-solvents.
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patent: 4382013 (1983-05-01), Kaneko et al.
patent: 4923887 (1990-05-01), Bauer et al.
patent: 5276047 (1994-01-01), Eggensperger et al.
Hinkle Jeffery S.
Tsao Techen
Cross Laura R.
Huls America Inc.
Richter Johann
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