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BOILING; BOILING APPARATUS; [N: EVAPORATION; EVAPORATION APPARATUS]
Definition statement
This subclass/group covers:

Documents where evaporation of liquid without separation takes place.

Relationship between large subject matter area

Semi-conductor fabrication involving evaporation step process is classified in H01L 21/00.

Coating by vacuum evaporation is classified in C23C 14/00

Informative references
Attention is drawn to the following places, which may be of interest for search:
selective catalytic reduction (SCR)
feeding chemical reactors, in particular reformer
Boiling; Boiling apparatus for physical or chemical purposes (preparation of starch C08B 30/00; sugar industry C13; steam generation F22; domestic boilers F24); [N: Evaporation in general]
Definition statement
This subclass/group covers:

- Boiling; Boiling apparatus for physical or chemical purposes, e.g. preventing foaming, preventing bumping

- Evaporation

Informative references
Attention is drawn to the following places, which may be of interest for search:
preparation of starch
boiling in sugar industry
C13
boiling for steam generation
F22
domestic boilers
F24
[N: Evaporation or evaporation apparatus for physical or chemical purposes, e.g. evaporation of liquids for gas phase reactions (separation by evaporation B01D; evaporation in chemical vapor deposition or similar processes C23C; cooling by evaporation F01P 9/02; evaporation of fuels to be fed to combustion apparatus, e.g. burners F23D; refrigeration involving evaporation F25B; drying involving evaporation F26B; evaporation for preparing samples for analysis G01N)]
Definition statement
This subclass/group covers:

Evaporation or evaporation apparatus for physical or chemical purposes, e.g

evaporation of liquids for gas phase reactions, evaporator for organic materials

Informative references
Attention is drawn to the following places, which may be of interest for search:
evaporation for separation
chemical vapour deposition
cooling by evaporation
evaporation of fuels to be fed
refrigeration by evaporation
drying by evaporation
evaporation for preparing samples for analysis
Boiling apparatus provided with reflux condenser
References relevant to classification in this group
This subclass/group does not cover:
Condensation in separation
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Last Modified: 10/11/2013