Compositions based on 1,1,2-trichlorotrifluoroethane for industrial washing
US4620946A · kind A · utility
1Cited by
6References
8Claims
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Key dates
| Filing date | Mar 5, 1985 |
| Grant date | Nov 4, 1986 |
| Priority date | — |
| Expiry date | Mar 5, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G5/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions suitable to be used for washing of industrial materials, comprising, by weight: PA0 63-99% of 1,1,2-trichloro-1,2,2-trifluoroethane PA0 0.5-25% of water PA0 0.5-12% of a mixture consisting of 80-97% by weight of a compound of formula (I) and of 20-3% by weight of a compound of formula (II) EQU R--C.sub.6 H.sub.5 --SO.sub.3 H.A (I) PA0 wherein: PA1 R=an alkyl group C.sub.9 -C.sub.15 PA1 A=an aliphatic or cyclic amine EQU X--(CO).sub.n --OH (II) PA0 wherein: PA1 n=0 or 1 PA1 X=an alkyl or an alkenyl group, C.sub.6 -C.sub.25.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.