IPC Classification

Class code (prefix) Descriptions Number of results
C09F 1/00 Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins
C09F 1/02 Purification
C09F 1/04 Chemical modification, e.g. esterification
C09F 3/00 Obtaining spirits of turpentine
C09F 3/02 Obtaining spirits of turpentine as a by-product in the paper-pulping process
C09F 5/00 Obtaining drying-oils
C09F 5/02 Obtaining drying-oils from natural sources
C09F 5/04 Obtaining drying-oils from natural sources from cashew nuts
C09F 5/06 Obtaining drying-oils by dehydration of hydroxylated fatty acids or oils
C09F 5/08 Obtaining drying-oils by esterification of fatty acids
C09F 5/10 Refining
C09F 5/12 Refining by distillation
C09F 7/00 Chemical modification of drying-oils
C09F 7/02 Chemical modification of drying-oils by oxidising
C09F 7/04 Chemical modification of drying-oils by voltolising
C09F 7/06 Chemical modification of drying-oils by polymerisation
C09F 7/08 Chemical modification of drying-oils by isomerisation
C09F 7/10 Chemical modification of drying-oils by re-esterification
C09F 7/12 Apparatus therefor
C09F 9/00 Compounds to be used as driers (siccatives)
C09F 11/00 Preparation of French polish