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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
Search Symbol
CPC
COOPERATIVE PATENT CLASSIFICATION
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NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE [2013‑01]
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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]
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Obtaining spirits of turpentine [2013‑01]
C09F 3/02
.
as a by-product in the paper-pulping process [2013‑01]
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Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G) [2013‑01]
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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]
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C09F 5/10
.
Refining [2013‑01]
C09F 5/12
. .
by distillation [2013‑01]
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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 (siccatives) [2013‑01]
C09F 11/00
Preparation of French polish [2013‑01]
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Last Modified: 10/10/2013