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BOILING; BOILING APPARATUS; { EVAPORATION; EVAPORATION APPARATUS}
Definition statement
This subclass/group covers:

Documents where evaporation of liquid without separation takes place.

Relationship between large subject matter areas

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) ; {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
boiling for steam generation
domestic boilers
{ 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 feeded 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, i.e. transformation of a liquid into gaseous form to be introduced in a further step (mainly reaction), e.g evaporation of liquids for gas phase reactions, evaporator for organic materials

Relationship between large subject matter areas

In B01B 1/00 there is no separation of component while in B01D 1/00 there is separation of component.

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
Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Evaporation
surface phenomenon of a liquid occuring at any temperature
Boiling
phenomenon happening throughout the bulk of the a liquid. It only happens when the temperature is above the boiling point of that substance
Boiling apparatus provided with reflux condenser
References relevant to classification in this group
This subclass/group does not cover:
Condensation in separation
Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Reflux condenser
Condenser where the hot solvent vapors of a liquid being heated, are cooled and allowed to drip back
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Last Modified: 10/11/2013