Production of glyoxylic acid from glycolic acid
US5221621A · kind A · utility
3Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1991 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | May 24, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P7/40
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A process or the production of glyoxylic acid involving the enzymatic oxidation of glycolic acid. The process provides a commercially practical method involving the reaction of glycolic acid in an aqueous solution at a starting concentration range of 200 mM to 2,500 mM in the presence of oxygen, glycolate oxidase and catalase at a pH of 7 to 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.