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US 4,069,265 AGranted
Stabilization of 1,1,1-trichloroethane with a four component system
AssigneeDynamit Nobel Aktiengesellschaft
InventorsHermann Richtzenhain, Rudolf Stephan
Life of this patent
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Abstract
A stabilized 1,1,1-trichloroethane composition containing, as stabilizer therefor, a mixture consisting of a nitrile, 1,4-dioxane, and nitromethane.
Claims5
A stabilized 1,1,1-trichloroethane composition consisting essentially of 1,1,1-trichloroethane, 0.05 to 2.0 weight percent of nitrile, 0.05 to 3.0 weight percent of 1,4-dioxane, 0.1 to 2.0 weight percent nitromethane and ethylenediamine, said ethylenediamine being present in an amount of at least 0.01 weight percent, based upon the weight of said 1,1,1-trichloroethane.
Dependencies are inferred from the claim text.