Stabilization of chlorinated aliphatic hydrocarbons and use of stabilized composition in cleaning articles
US4356038A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1980 |
| Grant date | Oct 26, 1982 |
| Priority date | — |
| Expiry date | Jul 16, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A solvent composition for cleaning metal and other articles which comprises 1,1,1-trichloroethane having dissolved therein a stabilizing amount of a mixture of stabilizing components comprising (i) tertiary butanol (ii) nitromethane and (iii) 1-or 2-nitropropane or nitroethane, in which mixture the specified stabilizing components are present in the mole fraction percent ranges encompassed by Contour K in FIG. 1 of the drawings in the case where component (iii) is 1-or 2-nitropropane or by Contour A in FIG. 2 of the drawing in the case where component (iii) is nitroethane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.