Ingevity Corporation has announced a general price increase for tall oil fatty acid, distilled tall oil and derivative products, and for rosin-based resins associated with its industrial specialties portfolio. The increase is due to continued supply and demand imbalance, which is expected to be exacerbated by the upcoming closure of a US paper mill previously supplying feedstock to Ingevity, along with competitive pressures on feedstock related to the impact of biofuel regulations. The spe...