NO175648B - - Google Patents

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Publication number
NO175648B
NO175648B NO895166A NO895166A NO175648B NO 175648 B NO175648 B NO 175648B NO 895166 A NO895166 A NO 895166A NO 895166 A NO895166 A NO 895166A NO 175648 B NO175648 B NO 175648B
Authority
NO
Norway
Prior art keywords
polymer
sieve
retention
dewatering
suspension
Prior art date
Application number
NO895166A
Other languages
English (en)
Norwegian (no)
Other versions
NO895166D0 (no
NO175648C (no
NO895166L (no
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10635686&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO175648(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of NO895166D0 publication Critical patent/NO895166D0/no
Publication of NO895166L publication Critical patent/NO895166L/no
Publication of NO175648B publication Critical patent/NO175648B/no
Publication of NO175648C publication Critical patent/NO175648C/no

Links

Classifications

    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
    • D21H23/16—Addition before or during pulp beating or refining
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers

Landscapes

  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
NO895166A 1988-04-22 1989-12-21 Fremgangsmåte for fremstilling av papir og kartong NO175648C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888809588A GB8809588D0 (en) 1988-04-22 1988-04-22 Processes for the production of paper & paper board
PCT/GB1989/000433 WO1989010447A1 (fr) 1988-04-22 1989-04-24 Procedes de production de papier et de carton

Publications (4)

Publication Number Publication Date
NO895166D0 NO895166D0 (no) 1989-12-21
NO895166L NO895166L (no) 1989-12-21
NO175648B true NO175648B (fr) 1994-08-01
NO175648C NO175648C (no) 1994-11-09

Family

ID=10635686

Family Applications (1)

Application Number Title Priority Date Filing Date
NO895166A NO175648C (no) 1988-04-22 1989-12-21 Fremgangsmåte for fremstilling av papir og kartong

Country Status (8)

Country Link
EP (1) EP0366764B1 (fr)
JP (1) JPH02504049A (fr)
CA (1) CA1329683C (fr)
DE (1) DE68910639T2 (fr)
FI (1) FI95827C (fr)
GB (1) GB8809588D0 (fr)
NO (1) NO175648C (fr)
WO (1) WO1989010447A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110878A (en) * 1991-05-14 1992-05-05 E. I. Du Pont De Nemours And Company Dry polyamide-epichlorohydrin resin power for strengthening wet paper
US5571380A (en) * 1992-01-08 1996-11-05 Nalco Chemical Company Papermaking process with improved retention and maintained formation
ES2624249T3 (es) 2011-06-20 2017-07-13 Basf Se Fabricación de papel y cartón.
CN103608516B (zh) * 2011-06-20 2016-11-16 巴斯夫欧洲公司 生产纸和纸板

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2345922A1 (de) * 1973-09-12 1975-04-17 Bayer Ag Papierhilfsmittel
FI272374A (fr) * 1973-10-01 1975-04-02 Calgon Corp
EP0202780B2 (fr) * 1985-04-25 1998-12-09 Ciba Specialty Chemicals Water Treatments Limited Procédés de floculation
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board

Also Published As

Publication number Publication date
FI95827B (fi) 1995-12-15
WO1989010447A1 (fr) 1989-11-02
EP0366764A1 (fr) 1990-05-09
DE68910639D1 (de) 1993-12-16
FI895957A0 (fi) 1989-12-13
NO895166D0 (no) 1989-12-21
NO175648C (no) 1994-11-09
CA1329683C (fr) 1994-05-24
JPH02504049A (ja) 1990-11-22
EP0366764B1 (fr) 1993-11-10
NO895166L (no) 1989-12-21
FI95827C (fi) 1996-03-25
GB8809588D0 (en) 1988-05-25
DE68910639T2 (de) 1994-02-24

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