| 1/00 | Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins |
| 1/02 | Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins Purification |
| 1/04 | Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins Chemical modification, e.g. esterification |
| 3/00 | Obtaining spirits of turpentine |
| 3/02 | Obtaining spirits of turpentine as a by-product in the paper-pulping process |
| 5/00 | Obtaining drying-oils |
| 5/02 | Obtaining drying-oils from natural sources |
| 5/04 | Obtaining drying-oils from natural sources from cashew nuts |
| 5/06 | Obtaining drying-oils by dehydration of hydroxylated fatty acids or oils |
| 5/08 | Obtaining drying-oils by esterification of fatty acids |
| 5/10 | Obtaining drying-oils Refining |
| 5/12 | Obtaining drying-oils Refining by distillation |
| 7/00 | Chemical modification of drying-oils (factice C08H
) |
| 7/02 | Chemical modification of drying-oils (factice C08H
) by oxidising |
| 7/04 | Chemical modification of drying-oils (factice C08H
) by voltolising |
| 7/06 | Chemical modification of drying-oils (factice C08H
) by polymerisation |
| 7/08 | Chemical modification of drying-oils (factice C08H
) by isomerisation |
| 7/10 | Chemical modification of drying-oils (factice C08H
) by re-esterification |
| 7/12 | Chemical modification of drying-oils (factice C08H
) Apparatus therefor |
| 9/00 | Compounds to be used as driers (siccatives) |