PT91611A - A process for the production of paper - Google Patents

A process for the production of paper

Info

Publication number
PT91611A
PT91611A PT91611A PT9161189A PT91611A PT 91611 A PT91611 A PT 91611A PT 91611 A PT91611 A PT 91611A PT 9161189 A PT9161189 A PT 9161189A PT 91611 A PT91611 A PT 91611A
Authority
PT
Portugal
Prior art keywords
dewatering
paper
production
forming
improved
Prior art date
Application number
PT91611A
Other languages
English (en)
Other versions
PT91611B (pt
Inventor
Hans Erik Johansson
Original Assignee
Eka Nobel Ab
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=20373187&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT91611(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab
Publication of PT91611A publication Critical patent/PT91611A/pt
Publication of PT91611B publication Critical patent/PT91611B/pt

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
    • 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
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • 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
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Making Paper Articles (AREA)
  • Polarising Elements (AREA)
  • Electronic Switches (AREA)
PT91611A 1988-09-01 1989-09-01 Processo para a producao de papel PT91611B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8803065A SE467627B (sv) 1988-09-01 1988-09-01 Saett vid framstaellning av papper

Publications (2)

Publication Number Publication Date
PT91611A true PT91611A (pt) 1990-03-30
PT91611B PT91611B (pt) 1995-05-31

Family

ID=20373187

Family Applications (1)

Application Number Title Priority Date Filing Date
PT91611A PT91611B (pt) 1988-09-01 1989-09-01 Processo para a producao de papel

Country Status (13)

Country Link
EP (1) EP0357574B1 (pt)
JP (1) JP2521539B2 (pt)
AT (1) ATE99010T1 (pt)
AU (1) AU605997B2 (pt)
BR (1) BR8904283A (pt)
CA (1) CA1334324C (pt)
DE (1) DE68911626T2 (pt)
ES (1) ES2048323T3 (pt)
FI (1) FI90448C (pt)
NO (1) NO171567C (pt)
NZ (1) NZ230427A (pt)
PT (1) PT91611B (pt)
SE (1) SE467627B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795531A (en) * 1987-09-22 1989-01-03 Nalco Chemical Company Method for dewatering paper
US4927498A (en) * 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking
SE500367C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler och förfarande för framställning av papper
US5496440A (en) * 1991-07-02 1996-03-05 Eka Nobel Ab Process for the manufacture of paper
DE4437118A1 (de) * 1994-10-05 1996-04-11 Technocell Dekor Gmbh & Co Kg Basispapier für dekorative Beschichtungssysteme
SE9502184D0 (sv) * 1995-06-15 1995-06-15 Eka Nobel Ab A process for the production of paper
US5846384A (en) * 1995-06-15 1998-12-08 Eka Chemicals Ab Process for the production of paper
US5595630A (en) * 1995-08-31 1997-01-21 E. I. Du Pont De Nemours And Company Process for the manufacture of paper
SE9504081D0 (sv) * 1995-11-15 1995-11-15 Eka Nobel Ab A process for the production of paper
US7169261B2 (en) 1999-05-04 2007-01-30 Akzo Nobel N.V. Silica-based sols
BRPI0010239B1 (pt) * 1999-05-04 2016-10-25 Akzo Nobel Nv sols baseados em sílica
US6379501B1 (en) 1999-12-14 2002-04-30 Hercules Incorporated Cellulose products and processes for preparing the same
WO2003083212A1 (fr) * 2002-04-03 2003-10-09 Seiko Pmc Corporation Procede de production de papier et agent pour ameliorer le rendement d'un tel procede
FI121119B (fi) † 2003-04-15 2010-07-15 Kemira Oyj Menetelmä paperin valmistamiseksi
US8245359B2 (en) 2006-12-28 2012-08-21 Tokyo Kinzoku Industry Co., Ltd. Clip
CN103556532B (zh) * 2013-10-31 2016-01-20 东莞理文造纸厂有限公司 一种造纸用助留剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8403062L (sv) * 1984-06-07 1985-12-08 Eka Ab Forfarande vid papperstillverkning
SE451739B (sv) * 1985-04-03 1987-10-26 Eka Nobel Ab Papperstillverkningsforfarande och pappersprodukt varvid som avvattnings- och retentionsforbettrande kemikalie anvends katjonisk polyakrylamid och en speciell oorganisk kolloid
SE8701252D0 (sv) * 1987-03-03 1987-03-25 Eka Nobel Ab Sett vid framstellning av papper
US4795531A (en) * 1987-09-22 1989-01-03 Nalco Chemical Company Method for dewatering paper
US4927498A (en) * 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking
SE461156B (sv) * 1988-05-25 1990-01-15 Eka Nobel Ab Saett foer framstaellning av papper varvid formning och avvattning aeger rum i naervaro av en aluminiumfoerening, ett katjoniskt retentionsmedel och en polymer kiselsyra

Also Published As

Publication number Publication date
CA1334324C (en) 1995-02-14
NZ230427A (en) 1991-06-25
NO171567C (no) 1993-03-31
JP2521539B2 (ja) 1996-08-07
FI894075A0 (fi) 1989-08-30
PT91611B (pt) 1995-05-31
JPH0299692A (ja) 1990-04-11
ATE99010T1 (de) 1994-01-15
NO893500D0 (no) 1989-08-31
AU4084089A (en) 1990-03-29
DE68911626D1 (de) 1994-02-03
BR8904283A (pt) 1990-04-17
DE68911626T2 (de) 1994-04-07
FI90448B (fi) 1993-10-29
SE467627B (sv) 1992-08-17
NO893500L (no) 1990-03-02
AU605997B2 (en) 1991-01-24
EP0357574A3 (en) 1991-10-23
EP0357574B1 (en) 1993-12-22
FI894075A (fi) 1990-03-02
EP0357574A2 (en) 1990-03-07
SE8803065D0 (sv) 1988-09-01
ES2048323T3 (es) 1994-03-16
FI90448C (fi) 1994-02-10
SE8803065L (sv) 1990-03-02
NO171567B (no) 1992-12-21

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FI892475A (fi) Menetelmä paperin valmistamiseksi
PT91611A (pt) A process for the production of paper
ES2005790A6 (es) Un procedimiento para producir papel.
ES2046040T3 (es) Un procedimiento para la produccion de papel.
ES2010430A6 (es) Procedimiento para fabricar papel
SE8902927D0 (sv) A process for the production of paper

Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19941110

MM4A Annulment/lapse due to non-payment of fees, searched and examined patent

Free format text: MAXIMUM VALIDITY LIMIT REACHED

Effective date: 20091110