Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution

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 17/01 Waste products, e.g. sludge
• D21H 17/02 Material of vegetable origin
• D21H 17/03 Non-macromolecular organic compounds
• D21H 17/2 Macromolecular organic compounds
• D21H 17/6 Waxes
• D21H 17/61 Bitumen
• D21H 17/62 Rosin; Derivatives thereof
• D21H 17/63 Inorganic compounds