Water-insoluble compounds, e.g. fillers or pigments

Full Title

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution > Inorganic compounds > Water-insoluble compounds, e.g. fillers or pigments

Classification Context

Section:

TEXTILES; PAPER

Class:

PAPER-MAKING; PRODUCTION OF CELLULOSE

Subclass:

PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES ,; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS OR SUBCLASS; PAPER NOT OTHERWISE PROVIDED FOR

Child Classifications

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• D21H 17/68 siliceous, e.g. clays
• D21H 17/69 modified, e.g. by association with other compositions prior to incorporation in the pulp or paper