Process for preparing glyoxylic acid/aminomethylphosphonic acid mixtures
US5135860A · kind A · utility
4Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1991 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Nov 6, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/3813
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides a process for producing mixtures of glyoxylic acid and aminomethylphosphonic acid. The process comprises reacting glycolic acid and oxygen in an aqueous solution in the presence of aminomethylphosphonic acid catalyst consisting of glycolate oxidase and catalase. The resulting mixtures are useful intermediates in the production of N-(phosphonomethyl)glycine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.