Abstract: The invention relates to methods for preparing a concentrated cannabinoid product optionally also containing an array of terpenes, flavonoids, and other phytoconstituents from a cannabinoid-containing extract feed. The cannabinoid-containing extract feed is contacted with an adsorbent to produce a pre-treated extract which is then subjected to one or more filtration steps, and recovering the concentrated cannabinoid product utilizing an extractant or an evaporator.

Abstract: a system for determining the extent of overlap between two primary polygons which are simply connected and have vertices of known coordinate values. Each of the sides in each polygon is first defined in terms of parameters which have limits of constant values as shown by block 14 in FIG. 2. Then, as set forth in block 15 in FIG. 2, a determination is made as to whether each of the sides in one of the polygons intersects any side in the other polygon by respectively equating the parametric definitions of each of the sides in the first polygon with the parametric definitions of each of the sides in the second polygon. A pair of sides so equated will intersect if each side has a resultant parameter within said limits. Routines are provided for determining when intersections will be non-degenerate, and when they will be degenerate, and when there will be no intersections thus indicating that the polygons either completely overlap or have no overlap at all.