BR9701967A - Paper making process - Google Patents

Paper making process

Info

Publication number
BR9701967A
BR9701967A BR9701967A BR9701967A BR9701967A BR 9701967 A BR9701967 A BR 9701967A BR 9701967 A BR9701967 A BR 9701967A BR 9701967 A BR9701967 A BR 9701967A BR 9701967 A BR9701967 A BR 9701967A
Authority
BR
Brazil
Prior art keywords
making process
paper making
paper
making
Prior art date
Application number
BR9701967A
Other languages
Portuguese (pt)
Inventor
Jane B Wong Shing
Ramasubramanyam Nagarajan
Original Assignee
Nalco Chemical Co
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=24573387&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9701967(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of BR9701967A publication Critical patent/BR9701967A/en

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
    • 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
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • 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
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • 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
    • D21H17/675—Oxides, hydroxides or carbonates
    • 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
BR9701967A 1996-05-01 1997-04-30 Paper making process BR9701967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64167196A 1996-05-01 1996-05-01

Publications (1)

Publication Number Publication Date
BR9701967A true BR9701967A (en) 1998-09-15

Family

ID=24573387

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9701967A BR9701967A (en) 1996-05-01 1997-04-30 Paper making process

Country Status (9)

Country Link
EP (1) EP0805234B1 (en)
AU (1) AU729008B2 (en)
BR (1) BR9701967A (en)
CA (1) CA2204050C (en)
DE (1) DE69713677T2 (en)
ES (1) ES2176553T3 (en)
ID (1) ID16844A (en)
MY (1) MY123120A (en)
NO (1) NO326449B1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6238521B1 (en) 1996-05-01 2001-05-29 Nalco Chemical Company Use of diallyldimethylammonium chloride acrylamide dispersion copolymer in a papermaking process
US6235205B1 (en) 1996-10-03 2001-05-22 Cytec Technology Corp. Aqueous dispersions
US6310124B1 (en) 1996-10-03 2001-10-30 Cytec Technology, Corp. Aqueous dispersions
US6262168B1 (en) 1998-03-11 2001-07-17 Cytec Technology Corp. Aqueous dispersions
US7306700B1 (en) 1998-04-27 2007-12-11 Akzo Nobel Nv Process for the production of paper
EP0953680A1 (en) * 1998-04-27 1999-11-03 Akzo Nobel N.V. A process for the production of paper
KR100403840B1 (en) * 1998-04-27 2003-11-01 악조 노벨 엔.브이. A process for the production of paper
KR100278510B1 (en) 1998-08-24 2001-03-02 한성욱 Water-soluble polymer dispersion for fine particle retention containing colloidal silica and preparation method thereof
US6331229B1 (en) * 1999-09-08 2001-12-18 Nalco Chemical Company Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers
US6846384B2 (en) 2000-08-07 2005-01-25 Akzo Nobel N.V. Process for sizing paper
WO2003050354A1 (en) * 2001-12-12 2003-06-19 Green Technology Inc. Use of hydrophillic polymer dispersion containing a colloidal silica or an inorganic flocculant as retention and drainage aids in paper making process
AU2002310569A1 (en) * 2002-05-27 2003-12-12 Green Technology Inc. Process for preparing a dispersion polymer
KR100681327B1 (en) * 2002-10-31 2007-02-15 주식회사 오병 High concentrated liquid slurry of bentonite comprising colloidal silica and preparation process thereof
DE10307201A1 (en) * 2003-02-20 2004-05-19 Voith Paper Patent Gmbh Fiber suspension from recycled paper, for the production of writing and printing papers, has a feed of bulking agent before the final refining beating stage for improved retention
CN1323211C (en) * 2004-06-21 2007-06-27 徐清明 Paper making mineral composite retention aid and preparing process and application thereof
US8088250B2 (en) 2008-11-26 2012-01-03 Nalco Company Method of increasing filler content in papermaking
US8747617B2 (en) 2007-09-12 2014-06-10 Nalco Company Controllable filler prefloculation using a dual polymer system
US8172983B2 (en) * 2007-09-12 2012-05-08 Nalco Company Controllable filler prefloculation using a dual polymer system
US9752283B2 (en) 2007-09-12 2017-09-05 Ecolab Usa Inc. Anionic preflocculation of fillers used in papermaking
US8778140B2 (en) * 2007-09-12 2014-07-15 Nalco Company Preflocculation of fillers used in papermaking
PT106170A (en) * 2012-02-20 2013-08-20 Fapajal Fabrica De Papel Do Tojal S A PROCESS OF FIXATION OF CALCIUM CARBONATE LOADS IN CREPED LIGHT PAPERS (TISSU) WITHOUT NEGATIVE IMPACT ON PAPER CHARACTERISTICS
EP3625177B1 (en) 2017-05-16 2023-10-04 Kemira Oyj Method for producing polymer solutions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913775A (en) * 1986-01-29 1990-04-03 Allied Colloids Ltd. Production of paper and paper board
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board
US5178730A (en) * 1990-06-12 1993-01-12 Delta Chemicals Paper making
SE9504081D0 (en) * 1995-11-15 1995-11-15 Eka Nobel Ab A process for the production of paper

Also Published As

Publication number Publication date
ID16844A (en) 1997-11-13
ES2176553T3 (en) 2002-12-01
NO972022L (en) 1997-11-03
DE69713677D1 (en) 2002-08-08
EP0805234B1 (en) 2002-07-03
CA2204050A1 (en) 1997-11-01
DE69713677T2 (en) 2002-10-31
MX9703180A (en) 1998-05-31
NO326449B1 (en) 2008-12-08
CA2204050C (en) 2006-06-20
EP0805234A3 (en) 1999-07-21
AU1915897A (en) 1997-11-06
EP0805234A2 (en) 1997-11-05
AU729008B2 (en) 2001-01-25
MY123120A (en) 2006-05-31
NO972022D0 (en) 1997-04-30

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/04/1997, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2257 DE 08-04-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.