Method for stabilizing isothiazolinones
US4920137A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1988 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Jul 21, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N43/80
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for stabilizing compositions containing one or more 3-isothiazolinones, which method includes adding to the 3-isothiazolinone composition an amount effective to stabilize the composition of one or more stabilizing compounds having the formula: EQU [R.sub.x A-C.sub.6 H.sub.2 R.sup.1 R.sup.2 ].sub.y -Z wherein Z is selected from AR.sub.x, R.sup.1, R.sup.2, alkoxymethylene, methylene and alkylidene; R, R.sup.1 and R.sup.2 are independently selected from hydrogen, straight-chained, branched and cyclic alkyl, aryl and arylalkyl; A is oxygen or nitrogen, provided that when A is oxygen, x is 0 or 1, when A is nitrogen, x is 1 or 2; and y is 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.