D
TEXTILES; PAPER
D
TEXTILES; PAPER
D21
PAPER-MAKING; PRODUCTION OF CELLULOSE
D21
PAPER-MAKING; PRODUCTION OF CELLULOSE
D21H
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H17/00
Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
D21H17/00
Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
D21H17/20
Macromolecular organic compounds
D21H17/20
Macromolecular organic compounds
D21H17/33
Synthetic macromolecular compounds
D21H17/33
Synthetic macromolecular compounds
D21H17/34
obtained by reactions only involving carbon-to-carbon unsaturated bonds
D21H17/34
obtained by reactions only involving carbon-to-carbon unsaturated bonds
D21H17/41
containing ionic groups
D21H17/41
containing ionic groups
D21H17/44
cationic
D21H17/44
cationic
D21H17/45
Nitrogen-containing groups
D21H17/45
Nitrogen-containing groups