• All sections
• C - Chemistry; metallurgy
• C11B - Producing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes; essential oils; perfumes
• C11B 3/14 - Refining fats or fatty oils by distillation with the use of indifferent gases or vapours, e.g. steam

Patent holdings for IPC class C11B 3/14

Total number of patents in this class: 188

10-year publication summary

Principal owners for this class