| 1/00 | Production of fats or fatty oils from raw materials |
| 1/02 | Production of fats or fatty oils from raw materials Pretreatment |
| 1/04 | Production of fats or fatty oils from raw materials Pretreatment of vegetable raw material |
| 1/06 | Production of fats or fatty oils from raw materials by pressing |
| 1/08 | Production of fats or fatty oils from raw materials by pressing by hot pressing |
| 1/10 | Production of fats or fatty oils from raw materials by extracting |
| 1/12 | Production of fats or fatty oils from raw materials by melting out |
| 1/14 | Production of fats or fatty oils from raw materials by melting out with hot water or aqueous solutions |
| 1/16 | Production of fats or fatty oils from raw materials by melting out with steam |
| 3/00 | Refining fats or fatty oils |
| 3/02 | Refining fats or fatty oils by chemical reaction |
| 3/04 | Refining fats or fatty oils by chemical reaction with acids |
| 3/06 | Refining fats or fatty oils by chemical reaction with bases |
| 3/08 | Refining fats or fatty oils by chemical reaction with oxidising agents |
| 3/10 | Refining fats or fatty oils by adsorption |
| 3/12 | Refining fats or fatty oils by distillation |
| 3/14 | Refining fats or fatty oils by distillation with the use of indifferent gases or vapours, e.g. steam |
| 3/16 | Refining fats or fatty oils by mechanical means |
| 5/00 | Preserving by using additives, e.g. anti-oxidants |
| 7/00 | Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils |