Stabilized chlorinated solvents
US4362573A · kind A · utility
4Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1980 |
| Grant date | Dec 7, 1982 |
| Priority date | — |
| Expiry date | Jul 28, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A solvent composition comprising 1,1,1-trichloroethane and a stabilizing amount of an epoxide of formula ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen, alkyl of 1 to 4 carbon atoms, phenyl or benzyl, PA1 R.sub.3 is hydrogen or alkyl of 1 to 4 carbon atoms, PA1 R.sub.4 is alkyl of 1 to 4 carbon atoms and n is 0 or 1. Preferably the or each alkyl group contains 1 or 2 carbon atoms; examples of useful epoxides are ethyl trans-2,3-epoxybutyrate, ethyl 3,4-epoxy-3-methylvalerate and ethyl beta-methyl-beta-phenylglycidate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.