BR9704862A - Paper making process - Google Patents

Paper making process

Info

Publication number
BR9704862A
BR9704862A BR9704862A BR9704862A BR9704862A BR 9704862 A BR9704862 A BR 9704862A BR 9704862 A BR9704862 A BR 9704862A BR 9704862 A BR9704862 A BR 9704862A BR 9704862 A BR9704862 A BR 9704862A
Authority
BR
Brazil
Prior art keywords
making process
paper making
paper
making
Prior art date
Application number
BR9704862A
Other languages
Portuguese (pt)
Inventor
Jane B Wong Shing
John R Hurlock
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=24889470&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9704862(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 BR9704862A publication Critical patent/BR9704862A/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
    • 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
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch 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
    • D21H17/37—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
    • D21H17/66—Salts, e.g. alums
BR9704862A 1996-09-24 1997-09-24 Paper making process BR9704862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71928396A 1996-09-24 1996-09-24

Publications (1)

Publication Number Publication Date
BR9704862A true BR9704862A (en) 1999-01-19

Family

ID=24889470

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9704862A BR9704862A (en) 1996-09-24 1997-09-24 Paper making process

Country Status (9)

Country Link
EP (1) EP0831177B1 (en)
AU (1) AU3918297A (en)
BR (1) BR9704862A (en)
CA (1) CA2216242C (en)
DE (1) DE69737945T2 (en)
ES (1) ES2290960T3 (en)
ID (1) ID18321A (en)
MY (1) MY136998A (en)
NO (1) NO324301B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6310124B1 (en) 1996-10-03 2001-10-30 Cytec Technology, Corp. Aqueous dispersions
US6235205B1 (en) 1996-10-03 2001-05-22 Cytec Technology Corp. Aqueous dispersions
US6162328A (en) * 1997-09-30 2000-12-19 Hercules Incorporated Method for surface sizing paper with cellulose reactive and cellulose non-reactive sizes, and paper prepared thereby
US6262168B1 (en) 1998-03-11 2001-07-17 Cytec Technology Corp. Aqueous dispersions
US6036868A (en) * 1998-07-23 2000-03-14 Nalco Chemical Company Use of hydrophilic dispersion polymers for oily wastewater clarification
EP1082493B1 (en) * 1999-01-15 2005-03-23 Nalco Chemical Company Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids
DE10061483A1 (en) 2000-12-08 2002-06-13 Stockhausen Chem Fab Gmbh Process for the preparation of water-in-water polymer dispersions
US7091273B2 (en) 2002-05-07 2006-08-15 Akzo Nobel N.V. Process for preparing a polymer dispersion
US8299183B2 (en) 2004-12-28 2012-10-30 Akzo Nobel N.V. Polymer dispersion and process for preparing a polymer dispersion
WO2022094171A1 (en) * 2020-10-30 2022-05-05 Kemira Oyj Stable cationic polyacrylamide dispersions and use thereof in papermaking
DE102022114644A1 (en) 2022-06-10 2023-12-21 Solenis Technologies Cayman, L.P. HIGH MOLECULAR POLYMER DISPERSIONS WITH METAL CATCHERS
DE102022114642A1 (en) 2022-06-10 2023-12-21 Solenis Technologies Cayman, L.P. HIGH MOLECULAR WEIGHT POLYMER DISPERSIONS PRODUCED UNDER CONTROLLED ADIABATIC CONDITIONS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327600A1 (en) * 1983-07-30 1985-02-14 Sandoz-Patent-GmbH, 7850 Lörrach PREPARATIONS CONTAINING COPOLYMERS AND TENSIDES, THEIR PRODUCTION AND USE
US4795531A (en) * 1987-09-22 1989-01-03 Nalco Chemical Company Method for dewatering paper
JP3113698B2 (en) * 1991-06-01 2000-12-04 住友精化株式会社 Method for producing water-soluble cationic polymer
JPH0532722A (en) * 1991-07-30 1993-02-09 Hymo Corp Production of cationic water-soluble polymer dispersion
US5891304A (en) * 1996-07-22 1999-04-06 Nalco Chemical Company Use of hydrophilic dispersion polymers for coated broke treatment

Also Published As

Publication number Publication date
ES2290960T3 (en) 2008-02-16
DE69737945D1 (en) 2007-09-06
EP0831177A2 (en) 1998-03-25
NO974381L (en) 1998-03-25
DE69737945T2 (en) 2007-12-06
ID18321A (en) 1998-03-26
MY136998A (en) 2008-12-31
EP0831177A3 (en) 2000-01-05
NO324301B1 (en) 2007-09-17
CA2216242A1 (en) 1998-03-24
NO974381D0 (en) 1997-09-23
AU3918297A (en) 1998-03-26
EP0831177B1 (en) 2007-07-25
MX9707246A (en) 1998-08-30
CA2216242C (en) 2006-03-14

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B25D Requested change of name of applicant approved
B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B25G Requested change of headquarter approved
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
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 24/09/1997, 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 2272 DE 22-07-2014 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.