Dimers used for the manufacturing of polyamides for nylons and polyamides for hot melts, polyester fibers, polymers, coatings, lubricants, greases, plasticizers, epoxy resins, corrosion inhibitors, ink resins, hot melt adhesives and urethane elastomers; trimer acids used for the manufacturing of lubricants, fuel additives, corrosion inhibitors, coatings and sealants, water treatment chemicals, oil well chemicals, metal working compounds, curing agents and epoxy agents