1. CPC Sections
  2. CPC Section C
  3. CPC Class C11
  4. CPC Subclass C11C
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
C11C
FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM [2020-05]
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.
C11C 1/00
Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids (recovery of fatty acids from waste materials C11B 13/00) [2013-01]
C11C 1/002
.
{Sources of fatty acids, e.g. natural glycerides, characterised by the nature, the quantities or the distribution of said acids} [2013-01]
C11C 1/005
.
{Splitting up mixtures of fatty acids into their constituents (processes intended for both fats and fatty acids C11B 7/00)} [2013-01]
C11C 1/007
.
{using organic solvents} [2013-01]
C11C 1/02
.
from fats or fatty oils [2013-01]
C11C 1/025
. .
{by saponification and release of fatty acids} [2013-01]
C11C 1/04
. .
by hydrolysis [2013-01]
C11C 1/045
. . .
{using enzymes or microorganisms, living or dead} [2013-01]
C11C 1/06
. . .
using solid catalysts [2013-01]
C11C 1/08
.
Refining [2013-01]
C11C 1/10
. .
by distillation [2013-01]
C11C 1/103
. . .
{after or with the addition of chemicals} [2013-01]
C11C 1/106
. . . .
{inert gases or vapors} [2013-01]
C11C 3/00
Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom (sulfonated fats or oils C07C 309/62; factice C08H; drying oils C09F) [2013-01]
C11C 3/003
.
{by esterification of fatty acids with alcohols (C11C 3/02 takes precedence)} [2013-01]
C11C 3/006
.
{by oxidation} [2013-01]
C11C 3/02
.
by esterification of fatty acids with glycerol [2013-01]
C11C 3/025
. .
{with a stoechiometric excess of glycerol} [2013-01]
C11C 3/04
.
by esterification of fats or fatty oils [2013-01]
C11C 3/06
. .
with glycerol [2013-01]
C11C 3/08
. .
with fatty acids [2013-01]
C11C 3/10
. .
Ester interchange [2013-01]
C11C 3/12
.
by hydrogenation [2013-01]
C11C 3/123
. .
{using catalysts based principally on nickel or derivates} [2013-01]
C11C 3/126
. .
{using catalysts based principally on other metals or derivates} [2013-01]
C11C 3/14
.
by isomerisation {(isomerisation induced by hydrogenation C11C 3/12)} [2015-10]
C11C 5/00
Candles [2013-01]
C11C 5/002
.
{Ingredients} [2013-01]
C11C 5/004
. .
{dyes, pigments; products giving a coloured flame} [2013-01]
C11C 5/006
.
{wicks, related accessories} [2013-01]
C11C 5/008
.
{Candles characterised by their form; Composite candles, e.g. candles containing zones of different composition, inclusions, or the like} [2013-01]
C11C 5/02
.
Apparatus for preparation thereof [2013-01]
C11C 5/021
. .
{by compressing solid materials in a mould without heating} [2013-01]
C11C 5/023
. .
{by casting or melting in a mould} [2013-01]
C11C 5/025
. .
{by dipping a wick in a melt} [2013-01]
C11C 5/026
. .
{by a continuous process, e.g. by extrusion by conveying a melt together with the wick through a solidification zone} [2013-01]
C11C 5/028
. .
{by shaping a preform, e.g. forming the butts, trimming} [2013-01]