IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • C - Chemistrymetallurgy
  • 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 waxesessential oilsperfumes
C11B 1/00 Production of fats or fatty oils from raw materials
C11B 1/02 Pretreatment
C11B 1/04 Pretreatment of vegetable raw material
C11B 1/06 Production of fats or fatty oils from raw materials by pressing
C11B 1/08 Production of fats or fatty oils from raw materials by pressing by hot pressing
C11B 1/10 Production of fats or fatty oils from raw materials by extracting
C11B 1/12 Production of fats or fatty oils from raw materials by melting out
C11B 1/14 Production of fats or fatty oils from raw materials by melting out with hot water or aqueous solutions
C11B 1/16 Production of fats or fatty oils from raw materials by melting out with steam
C11B 3/00 Refining fats or fatty oils
C11B 3/02 Refining fats or fatty oils by chemical reaction
C11B 3/04 Refining fats or fatty oils by chemical reaction with acids
C11B 3/06 Refining fats or fatty oils by chemical reaction with bases
C11B 3/08 Refining fats or fatty oils by chemical reaction with oxidising agents
C11B 3/10 Refining fats or fatty oils by adsorption
C11B 3/12 Refining fats or fatty oils by distillation
C11B 3/14 Refining fats or fatty oils by distillation with the use of indifferent gases or vapours, e.g. steam
C11B 3/16 Refining fats or fatty oils by mechanical means
C11B 5/00 Preserving by using additives, e.g. anti-oxidants
C11B 7/00 Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
C11B 9/00 Essential oilsPerfumes
C11B 9/02 Recovery or refining of essential oils from raw materials
C11B 11/00 Recovery or refining of other fatty substances, e.g. lanolin or waxes
C11B 13/00 Recovery of fats, fatty oils or fatty acids from waste materials
C11B 13/02 Recovery of fats, fatty oils or fatty acids from waste materials from soap stock
C11B 13/04 Recovery of fats, fatty oils or fatty acids from waste materials from spent adsorption materials
C11B 15/00 Solidifying fatty oils, fats, or waxes by physical processes