As a quaternary cationics,amine cake has such properties as wetting,adsorption and emulsification,and brings a good effect by oil coating compound fertilizer when it is added into oil.
In a recent paper of his own he tried to calculate how many stable crystals incorporating four chemical elements (so-called quaternaries) might be potentially manufacturable.
In some books, too, you will find the tertiary and quaternary taken out and replaced by periods of different lengths called the Palaeogene and Neogene.