Cooperative Patent Classification


Version: 2017.02
CPC
COOPERATIVE PATENT CLASSIFICATION
C11B
PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVING FATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES, INCLUDING EXTRACTION FROM WASTE MATERIALS; ESSENTIAL OILS; PERFUMES (drying-oils C09F) [2013-01]
NOTE

  • In this subclass, boron and silicon are considered as metals
C11B 1/00
Production of fats or fatty oils from raw materials [2013-01]
C11B 1/02
.
Pretreatment [2013-01]
C11B 1/025
. .
{by enzymes or microorganisms, living or dead} [2013-01]
C11B 1/04
. .
of vegetable raw material {(C11B 1/025 takes precedence)} [2013-01]
C11B 1/06
.
by pressing [2013-01]
C11B 1/08
. .
by hot pressing [2013-01]
C11B 1/10
.
by extracting [2013-01]
C11B 1/102
. .
{in counter-current; utilisation of an equipment wherein the material is conveyed by a screw} [2013-01]
C11B 1/104
. .
{using super critical gases or vapours} [2015-10]
C11B 1/106
. .
{using ultra-sounds} [2013-01]
C11B 1/108
. .
{after-treatment, e.g. of miscellae} [2013-01]
C11B 1/12
.
by melting out [2013-01]
C11B 1/14
. .
with hot water or aqueous solutions [2013-01]
C11B 1/16
. .
with steam [2013-01]
C11B 3/00
Refining fats or fatty oils [2013-01]
C11B 3/001
.
{by a combination of two or more of the means hereafter} [2013-01]
C11B 3/003
.
{by enzymes or microorganisms, living or dead} [2013-01]
C11B 3/005
.
{by wave energy or electric current, e.g. electrodialysis} [2013-01]
C11B 3/006
.
{by extraction} [2013-01]
C11B 3/008
.
{by filtration, e.g. including ultra filtration, dialysis (C11B 3/005 takes precedence)} [2013-01]
C11B 3/02
.
by chemical reaction {(C11B 3/003 takes precedence)} [2013-01]
C11B 3/04
. .
with acids [2013-01]
C11B 3/06
. .
with bases [2013-01]
C11B 3/08
. .
with oxidising agents [2013-01]
C11B 3/10
.
by adsorption [2013-01]
NOTE

  • When classifying in this group, classification is also made in group B01D 15/08 insofar as subject matter of general interest relating to chromatography is concerned.
C11B 3/12
.
by distillation [2013-01]
C11B 3/14
. .
with the use of indifferent gases or vapours, e.g. steam [2013-01]
C11B 3/16
.
by mechanical means [2013-01]
C11B 5/00
Preserving by using additives, e.g. anti-oxidants [2016-05]
NOTE

  • In groups C11B 5/0007 - C11B 5/0092, in the absence of an indication to the contrary, a composition is classified in the last appropriate place
C11B 5/0007
.
{Organic substances} [2013-01]
C11B 5/0014
.
{Hydrocarbons} [2013-01]
C11B 5/0021
.
{containing oxygen} [2013-01]
C11B 5/0028
. .
{Carboxylic acids; Their derivates} [2013-01]
C11B 5/0035
. .
{Phenols; Their halogenated and aminated derivates, their salts, their esters with carboxylic acids} [2013-01]
C11B 5/0042
.
{containing nitrogen} [2013-01]
C11B 5/005
. .
{Amines or imines (C11B 5/0035 takes precedence)} [2013-01]
C11B 5/0057
. .
{Amides or imides} [2013-01]
C11B 5/0064
. .
{Heterocyclic compounds containing nitrogen in the ring} [2013-01]
C11B 5/0071
.
{containing halogens, sulfur or phosphorus (halogenated phenols C11B 5/0035)} [2013-01]
C11B 5/0078
.
{Metal hydrides or organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon link} [2013-01]
C11B 5/0085
.
{Substances of natural origin of unknown constitution, f.i. plant extracts} [2013-01]
C11B 5/0092
.
{Mixtures} [2013-01]
C11B 7/00
Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils [2016-05]
NOTE

  • In groups C11B 7/0008 - C11B 7/0091, in the absence of an indication to the contrary an invention is classified in the last appropriate place
C11B 7/0008
.
{by differences of solubilities, e.g. by extraction, by separation from a solution by means of anti-solvents (addition of a minor amount of solvent intended to lower the melting point C11B 7/0083, C11B 7/0091)} [2013-01]
C11B 7/0016
. .
{in hydrocarbons or halogenated hydrocarbons (in pressure liquefied gases C11B 7/005)} [2013-01]
C11B 7/0025
. .
{in solvents containing oxygen in their molecule} [2013-01]
C11B 7/0033
. .
{in solvents containing other heteroatoms in their molecule} [2013-01]
C11B 7/0041
. .
{in mixtures of individualized solvents (water is not taken into account)} [2013-01]
C11B 7/005
. .
{in solvents used at superatmospheric pressures} [2013-01]
C11B 7/0058
. .
{in solvents or mixtures of solvents of different natures or compositions used in succession} [2013-01]
C11B 7/0066
. .
{between two or more non-miscible solvent phases} [2013-01]
C11B 7/0075
.
{by differences of melting or solidifying points} [2013-01]
C11B 7/0083
.
{with addition of auxiliary substances, e.g. cristallisation promotors, filter aids, melting point depressors, (if a characterised solution is formed C11B 7/0008)} [2013-01]
C11B 7/0091
.
{non-solvents, e.g. water wherein the fat or oil is dispersed account a more washing out of fractions is not taken into} [2013-01]
C11B 9/00
Essential oils; Perfumes (synthesis of chemical substances C07) [2013-01]
C11B 9/0003
.
{Compounds of unspecified constitution defined by the chemical reaction for their preparation} [2013-01]
C11B 9/0007
.
{Aliphatic compounds} [2013-01]
C11B 9/0011
. .
{containing S} [2013-01]
C11B 9/0015
. .
{containing oxygen as the only heteroatom} [2013-01]
C11B 9/0019
. . .
{carbocylic acids; Salts or esters thereof} [2013-01]
C11B 9/0023
. .
{containing nitrogen as the only heteroatom} [2013-01]
C11B 9/0026
.
{compounds containing an alicyclic ring not condensed with another ring} [2013-01]
C11B 9/003
. .
{the ring containing less than six carbon atoms} [2013-01]
C11B 9/0034
. .
{the ring containing six carbon atoms} [2013-01]
C11B 9/0038
. .
{the ring containing more than six carbon atoms} [2013-01]
C11B 9/0042
.
{compounds containing condensed hydrocarbon rings} [2013-01]
C11B 9/0046
. .
{containing only two condensed rings} [2013-01]
C11B 9/0049
. . .
{the condensed rings sharing two common C atoms} [2013-01]
C11B 9/0053
. . . .
{both rings being six-membered} [2013-01]
C11B 9/0057
. . .
{Spiro compounds} [2013-01]
C11B 9/0061
.
{compounds containing a six-membered aromatic ring not condensed with another ring} [2013-01]
C11B 9/0065
. .
{Nitriles} [2013-01]
C11B 9/0069
.
{Heterocyclic compounds} [2013-01]
C11B 9/0073
. .
{containing only O or S as heteroatoms} [2013-01]
C11B 9/0076
. . .
{the hetero rings containing less than six atoms} [2013-01]
C11B 9/008
. . .
{the hetero rings containing six atoms} [2013-01]
C11B 9/0084
. . .
{the hetero rings containing more than six atoms} [2013-01]
C11B 9/0088
. . .
{Spiro compounds} [2013-01]
C11B 9/0092
. .
{containing only N as heteroatom} [2013-01]
C11B 9/0096
. .
{containing at least two different heteroatoms, at least one being nitrogen} [2013-01]
C11B 9/02
.
Recovery or refining of essential oils from raw materials [2013-01]
C11B 9/022
. .
{Refining} [2013-01]
C11B 9/025
. .
{Recovery by solvent extraction} [2013-01]
C11B 9/027
. .
{Recovery of volatiles by distillation or stripping} [2013-01]
C11B 11/00
Recovery or refining of other fatty substances, e.g. lanolin, waxes (synthetic waxes C07, C08; mineral waxes C10G) [2013-01]
C11B 11/005
.
{Lanolin; Woolfat} [2013-01]
C11B 13/00
Recovery of fats, fatty oils, or fatty acids from waste materials (mechanical separation from waste water C02F, E03F) [2013-01]
C11B 13/005
.
{of residues of the fabrication of wood-cellulose (in particular tall-oil)} [2013-01]
C11B 13/02
.
from soap stock [2013-01]
C11B 13/04
.
from spent adsorption materials [2013-01]
C11B 15/00
Solidifying fatty oils, fats, or waxes by physical processes [2013-01]