Process for preparing thiourea dioxide derivatives
US4943661A · kind A · utility
1Cited by
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5Claims
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Key dates
| Filing date | Mar 14, 1989 |
| Grant date | Jul 24, 1990 |
| Priority date | — |
| Expiry date | Mar 14, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C381/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An amine-substituted thiourea dioxide is obtained by reacting thiourea dioxide and an aliphatic or aromatic primary amine in a neutral or acidic pH range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.