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US 4,137,180 AGranted
Fabric treatment materials
AssigneeLever Brothers Company
InventorsAppaya R. Naik, Klaus H. Todt, Martin A. Wells
Life of this patent
Estimating the term…
Abstract
Fabric softening is provided by cationic diesters of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each an alkyl or hydroxyalkyl group containing from 1 to 4 carbon atoms, or a benzyl group, R.sub.4 and R.sub.5 are each alkyl chains containing from 11 to 23 carbon atoms, and X.sup.- is a water soluble anion. Mixtures of these diesters with the corresponding monoesters are described together with preparative methods.
Claims21
A chemical compound which is substantially free of the corresponding monoester having the formula:
- ##STR4## wherein R.sub.1, R.sub.2 and R.sub.3 are each an alkyl or hydroxy alkyl group containing from 1 to 4 carbon atoms, or a benzyl group;
- R.sub.4 and R.sub.5 are each an alkyl or alkenyl chain containing from 11 to 23 carbon atoms;
- and X.sup.- is a water soluble anion.
Dependencies are inferred from the claim text.