CH583821A5CH718775ACH718775ACH583821A5CH 583821 A5CH583821 A5CH 583821A5CH 718775 ACH718775 ACH 718775ACH 718775 ACH718775 ACH 718775ACH 583821 A5CH583821 A5CH 583821A5
Authority
CH
Switzerland
Application number
CH718775A
Original Assignee
Unilever Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever NvfiledCriticalUnilever Nv
Publication of CH583821A5publicationCriticalpatent/CH583821A5/xx
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
D—TEXTILES; PAPER
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
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
D21H17/33—Synthetic macromolecular compounds
D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
D21H17/47—Condensation polymers of aldehydes or ketones
D21H17/48—Condensation polymers of aldehydes or ketones with phenols