The castor based quaternaries of the instant invention are prepared by condensing a castor fatty acid with the amino protons of a diamine containing a tertiary amino group at one end to form an intermediate product and then quaternizing the intermediate product.
The invention relates to novel compounds, to aqueous, in particular surfactant-containing formulations containing the novel compounds and to the use of the novel compounds as thickening agents of aqueous, in particular surfactant-containing formulations.