Method for reducing the nitrosamine content of N-methylmorpholine-N-oxide
US5847130A · kind A · utility
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4References
5Claims
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Key dates
| Filing date | Aug 4, 1997 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Aug 4, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D295/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Aqueous solutions of N-methylmorpholine N-oxide having reduced nitrosamine concentrations are produced by adding catalytic amounts of inorganic carbonate or bicarbonate or carboxylic acid or carboxylate salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.