1. CPC Sections
  2. CPC Section C
  3. CPC Class C09
  4. CPC Subclass C09F
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
C09F
NATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE [2024-01]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
C09F 1/00
Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins [2013-01]
C09F 1/02
.
Purification [2013-01]
C09F 1/04
.
Chemical modification, e.g. esterification (resin soaps C11D) [2013-01]
C09F 3/00
Obtaining spirits of turpentine [2013-01]
C09F 3/02
.
as a by-product in the paper-pulping process [2013-01]
C09F 5/00
Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G) [2013-01]
C09F 5/02
.
from natural sources [2013-01]
C09F 5/04
. .
from cashew nuts [2013-01]
C09F 5/06
.
by dehydration of hydroxylated fatty acids or oils [2013-01]
C09F 5/08
.
by esterification of fatty acids [2013-01]
C09F 5/10
.
Refining [2013-01]
C09F 5/12
. .
by distillation [2013-01]
C09F 7/00
Chemical modification of drying oils (modifying by copolymerisation C08F; polycondensation C08G; factice C08H) [2013-01]
C09F 7/02
.
by oxidising [2013-01]
C09F 7/04
.
by voltolising [2013-01]
C09F 7/06
.
by polymerisation [2013-01]
C09F 7/08
.
by isomerisation [2013-01]
C09F 7/10
.
by re-esterification [2013-01]
C09F 7/12
.
Apparatus therefor [2013-01]
C09F 9/00
Compounds to be used as driers, i.e. siccatives [2024-01]
C09F 11/00
Preparation of French polish [2013-01]