C09F1/00	7	Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins	C09F1/00	C09F1/00		1375
C09F1/02	8	Purification	C09F1/02	C09F1/02		273
C09F1/04	8	Chemical modification, e.g. esterification (resin soaps C11D)	C09F1/04	C09F1/04		921
C09F3/00	7	Obtaining spirits of turpentine	C09F3/00	C09F3/00		123
C09F3/02	8	as a by-product in the paper-pulping process	C09F3/02	C09F3/02		34
C09F5/00	7	Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G)	C09F5/00	C09F5/00		111
C09F5/02	8	from natural sources	C09F5/02	C09F5/02		10
C09F5/04	9	from cashew nuts	C09F5/04	C09F5/04		13
C09F5/06	8	by dehydration of hydroxylated fatty acids or oils	C09F5/06	C09F5/06		195
C09F5/08	8	by esterification of fatty acids	C09F5/08	C09F5/08		29
C09F5/10	8	Refining	C09F5/10	C09F5/10		12
C09F5/12	9	by distillation	C09F5/12	C09F5/12		1
C09F7/00	7	Chemical modification of drying oils (modifying by copolymerisation C08F; polycondensation C08G; factice C08H)	C09F7/00	C09F7/00		195
C09F7/02	8	by oxidising	C09F7/02	C09F7/02		57
C09F7/04	8	by voltolising	C09F7/04	C09F7/04		7
C09F7/06	8	by polymerisation	C09F7/06	C09F7/06		120
C09F7/08	8	by isomerisation	C09F7/08	C09F7/08		35
C09F7/10	8	by re-esterification	C09F7/10	C09F7/10		36
C09F7/12	8	Apparatus therefor	C09F7/12	C09F7/12		9
C09F9/00	7	Compounds to be used as driers, i.e. siccatives	C09F9/00	C09F9/00		580
C09F11/00	7	Preparation of French polish	C09F11/00	C09F11/00		32
