BR0012251A - Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga - Google Patents

Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga

Info

Publication number
BR0012251A
BR0012251A BR0012251-3A BR0012251A BR0012251A BR 0012251 A BR0012251 A BR 0012251A BR 0012251 A BR0012251 A BR 0012251A BR 0012251 A BR0012251 A BR 0012251A
Authority
BR
Brazil
Prior art keywords
retention
increase
pulp
molecular weight
high molecular
Prior art date
Application number
BR0012251-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Phillip W Carter
Patrick Gerard Murray
Larry E Brammer Jr
Andrew J Dunham
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
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of BR0012251A publication Critical patent/BR0012251A/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/32—Polymerisation in water-in-oil emulsions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56—Acrylamide; Methacrylamide
    • 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
BR0012251-3A 1999-07-07 2000-06-28 Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga BR0012251A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/349,054 US6313246B1 (en) 1999-07-07 1999-07-07 High molecular weight zwitterionic polymers
PCT/US2000/017841 WO2001004201A1 (en) 1999-07-07 2000-06-28 High molecular weight zwitterionic polymers

Publications (1)

Publication Number Publication Date
BR0012251A true BR0012251A (pt) 2002-03-26

Family

ID=23370724

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012251-3A BR0012251A (pt) 1999-07-07 2000-06-28 Polìmero zwiteriÈnico solúvel em água de alto peso molecular, e, métodos para aumentar a retenção e a drenagem em suspensões de polpa fibrosas durante o processamento da referida polpa, para remover sólidos suspensos e clarificar água branca no processo de fabricação de papel, e para aumentar a retenção de carga

Country Status (14)

Country Link
US (2) US6313246B1 (US06590051-20030708-C00010.png)
EP (1) EP1198503A4 (US06590051-20030708-C00010.png)
JP (2) JP4132017B2 (US06590051-20030708-C00010.png)
KR (1) KR100596068B1 (US06590051-20030708-C00010.png)
CN (1) CN100334149C (US06590051-20030708-C00010.png)
AR (1) AR024673A1 (US06590051-20030708-C00010.png)
AU (1) AU5776000A (US06590051-20030708-C00010.png)
BR (1) BR0012251A (US06590051-20030708-C00010.png)
CA (1) CA2377859C (US06590051-20030708-C00010.png)
MX (1) MXPA02000149A (US06590051-20030708-C00010.png)
NO (1) NO20020033L (US06590051-20030708-C00010.png)
NZ (1) NZ516417A (US06590051-20030708-C00010.png)
TW (1) TWI254728B (US06590051-20030708-C00010.png)
WO (1) WO2001004201A1 (US06590051-20030708-C00010.png)

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Also Published As

Publication number Publication date
US6313246B1 (en) 2001-11-06
WO2001004201A1 (en) 2001-01-18
JP4132017B2 (ja) 2008-08-13
KR100596068B1 (ko) 2006-07-03
US6590051B1 (en) 2003-07-08
EP1198503A1 (en) 2002-04-24
AR024673A1 (es) 2002-10-23
CN1359408A (zh) 2002-07-17
EP1198503A4 (en) 2005-03-02
KR20020034153A (ko) 2002-05-08
NO20020033L (no) 2002-03-05
CA2377859C (en) 2010-10-19
TWI254728B (en) 2006-05-11
CA2377859A1 (en) 2001-01-18
CN100334149C (zh) 2007-08-29
NZ516417A (en) 2003-09-26
JP2008174897A (ja) 2008-07-31
MXPA02000149A (es) 2002-07-02
AU5776000A (en) 2001-01-30
NO20020033D0 (no) 2002-01-04
JP2003504476A (ja) 2003-02-04

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B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]