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US 3,957,893 AGranted
Stabilization of methyl chloroform
AssigneeDiamond Shamrock Corporation
InventorsNorman L. Beckers, Edward A. Rowe
Life of this patent
Estimating the term…
Abstract
The tendency for methyl chloroform to decompose in the presence of metals, particularly aluminum, is inhibited by a stabilizer mixture comprising an epoxide, a nitroalkane and either propylene glycol mono-methyl ether, dioxepane or a mixture thereof.
Claims2
A stabilized composition which consists essentially of methyl chloroform containing
- a. 0.1 to 2.0 percent by weight of a nitroalkane of from 1 to 3 carbon atoms,
- b. 0.05 to 0.5 percent by weight of an aliphatic epoxide selected from the group consisting of butylene oxide, propylene oxide, epichlorohydrin, and methyl glycidyl ether, and
- c. 0.1 to 3.0 percent by weight of propylene glycol monomethyl ether.
Dependencies are inferred from the claim text.