Key Takeaways NGVT wrapped the sale of North Charleston CTO refinery assets and most Industrial Specialties to Mainstream.Ingevity receives $110M at closing, with up to $19M in contingent consideration tied to future performance.It is aligned to NGVT's move to exit CTO assets and focus on Pavement Technologies.Ingevity Corporation (NGVT) has announced the completion of the divestiture of its North Charleston Crude Tall Oil (CTO) refinery assets and the majority of its Performance Chemicals Industrial Specia ...