The factors which affect the magnitude of the extremes on the kinetic adsorption curve were determined by the method of numerical modeling. A decrease in the adsorbate reserve in adsorption from a restricted volume, a decrease in the change in the temperature of the adsorbent, and attenuation of the decrease in the intracrystalline diffusion coefficient with an increase in the degree of filling decrease the intensity of the extremes on the kinetic adsorption curves. In contrast to the decrease in the differential heat of adsorption with the degree of filling, these factors are not necessary conditions for the appearance of extremes on the kinetic adsorption curves. The extremes can be eliminated by altering any factor, but extremes appear again with a corresponding change in the other factors.