Water-soluble thiourea dioxide derivatives and process for preparing same
US5149871A · kind A · utility
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5Claims
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Key dates
| Filing date | Nov 25, 1991 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Nov 25, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C381/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel water-soluble produced by contacting thiourea dioxide with an aqueous solution comprising an amino acid having the general formula NH.sub.2 (CH.sub.2).sub.n COOH wherein n is an integer of 1 to 7 and a sodium, potassium or calcium salt of acetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.