C - Chemistry – Metallurgy – 23 – G
Patent
C - Chemistry, Metallurgy
23
G
6/218, 260/651.3
C23G 5/02 (2006.01) C07C 17/42 (2006.01) C23G 5/028 (2006.01)
Patent
CA 1145105
10. MD.30902 ABSTRACT A solvent composition comprising 1,1,1-trichloroethane and a stabilizing amount of an epoxide of formula Image wherein R1 and R2 are hydrogen, alkyl of 1 to 4 carbon atoms, phenyl or benzyl, R3 is hydrogen or alkyl of 1 to 4 carbon atoms, R4 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.
357733
Jones Richard B.
Mackrodt William C.
Winterton Neil
Barlow Charles Brian
Imperial Chemical Industries Plc
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