WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

C09F　NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE

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 (resin soaps C11D)

C09F 3/00 Obtaining spirits of turpentine

C09F 3/02 ・as a by-product in the paper-pulping process

C09F 5/00 Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G)

C09F 5/02 ・from natural sources

C09F 5/04 ・・from cashew nuts

C09F 5/06 ・by dehydration of hydroxylated fatty acids or oils

C09F 5/08 ・by esterification of fatty acids

C09F 5/10 ・Refining

C09F 5/12 ・・by distillation

C09F 7/00 Chemical modification of drying oils (modifying by copolymerisation C08F; polycondensation C08G; factice C08H)

C09F 7/02 ・by oxidising

C09F 7/04 ・by voltolising

C09F 7/06 ・by polymerisation

C09F 7/08 ・by isomerisation

C09F 7/10 ・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