2,5-Dioxo-3H,6H-furo[(3,2-b]furan-3a,6a-diacetic acid and salts thereof
US4231939A · kind A · utility
1Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 26, 1979 |
| Grant date | Nov 4, 1980 |
| Priority date | — |
| Expiry date | Nov 26, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D493/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is the title compound having the structural formula: ##STR1## This compound in which M is hydrogen, an alkali metal or ammonium, has utility as a chelating agent which exhibits stability constants with various metal ions which are intermediate between those of EDTA and citric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.