Enchantment Brewing (3.5e Feat)
From D&D Wiki
Enchantment Brewing [Item Creation]
Can take enchantments and turn into oils
Prerequisite: Caster level 7, Brew Potion
Benefit: Starting at Caster Level 7, you can take an enchantment and treat it as a spell when creating potions and oils. The cost is enchantment level + Caster Level x 100.