There had been concerns that a number of investors would block the restructuring, which was proposed less than a year after a previous agreement with the firm's creditors.
Last week 90 per cent of lenders gave their support to the refinancing plan.
Ineos refinancing given green light
INEOS, the UK's largest private company, which owns the Grangemouth oil refinery in Falkirk, has won backing for its latest 1 billion (£877m) refinancing.