Water-soluble methylenebis(dialkylaniline) derivatives and application thereof
US5264622A · kind A · utility
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9Claims
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Key dates
| Filing date | Dec 21, 1992 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | Dec 21, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q2326/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel water-soluble methylenebis(dialkylaniline) derivatives of the following general formula and salts thereof are disclosed. They are useful as dye-forming substances in quantitative determination of peroxides in the copresence of peroxidase or the like. ##STR1## In the formula, R.sub.1 is hydrogen or a substituent selected from lower alkyl and C.sub.2-3 sulfoalkyl or hydroxysulfoalkyl; R.sub.2 is C.sub.2-3 sulfoalkyl or hydroxysulfoalkyl; and R.sub.3 is lower alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.