BR9500843A - Processo para melhorar a soltura de pasta de papel - Google Patents
Processo para melhorar a soltura de pasta de papelInfo
- Publication number
- BR9500843A BR9500843A BR9500843A BR9500843A BR9500843A BR 9500843 A BR9500843 A BR 9500843A BR 9500843 A BR9500843 A BR 9500843A BR 9500843 A BR9500843 A BR 9500843A BR 9500843 A BR9500843 A BR 9500843A
- Authority
- BR
- Brazil
- Prior art keywords
- pulp
- release
- improve
- Prior art date
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
- D21H17/005—Microorganisms or enzymes
-
- 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
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
-
- 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
-
- 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
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/206,364 US5423946A (en) | 1994-03-07 | 1994-03-07 | Cationic anionic polyelectrolytes for enhancing the freeness of paper pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9500843A true BR9500843A (pt) | 1995-10-24 |
Family
ID=22766045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9500843A BR9500843A (pt) | 1994-03-07 | 1995-03-07 | Processo para melhorar a soltura de pasta de papel |
Country Status (10)
Country | Link |
---|---|
US (1) | US5423946A (pt) |
EP (1) | EP0671507B1 (pt) |
JP (1) | JPH07252795A (pt) |
KR (1) | KR0180263B1 (pt) |
AU (1) | AU682087B2 (pt) |
BR (1) | BR9500843A (pt) |
CA (1) | CA2143985C (pt) |
DE (1) | DE69536016D1 (pt) |
ES (1) | ES2336511T3 (pt) |
FI (1) | FI120007B (pt) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5501770A (en) * | 1994-08-12 | 1996-03-26 | Nalco Chemical Company | Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking |
WO1998006892A1 (en) * | 1996-08-16 | 1998-02-19 | International Paper Company | Enzymatic freeness enhancement |
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 |
US6939437B1 (en) | 1999-11-19 | 2005-09-06 | Buckman Laboratories International, Inc. | Paper making processes using enzyme and polymer combinations |
CA2391576C (en) * | 1999-11-19 | 2007-04-24 | Buckman Laboratories International, Inc. | Paper making processes using enzyme and polymer combinations |
WO2004101889A2 (en) * | 2003-05-06 | 2004-11-25 | Novozymes North America, Inc. | Use of hemicellulase composition in mechanical pulp production |
AU2005206565A1 (en) * | 2004-01-23 | 2005-08-04 | Buckman Laboratories International Inc | Process for making paper |
US20110108222A1 (en) * | 2009-11-11 | 2011-05-12 | International Paper Company | Effect of low dose xylanase on pulp in prebleach treatment process |
CA2796258C (en) * | 2010-04-15 | 2018-06-12 | Buckman Laboratories International, Inc. | Paper making processes and system using enzyme and cationic coagulant combination |
WO2013081955A1 (en) | 2011-12-01 | 2013-06-06 | Buckman Laboratories International, Inc. | Method and system for producing market pulp and products thereof |
RU2634239C2 (ru) | 2012-10-09 | 2017-10-24 | Соленис Текнолоджиз Кайман, Л.П. | Целлюлазная композиция, содержащая целлюлазу и полимеры для производства бумаги, предназначенная для применения в повышении прочности бумаги в сухом состоянии |
BR102015032911A2 (pt) * | 2015-12-29 | 2017-07-04 | Fibria Celulose S.A | Process for the production of pulp pulp, pulp pulp and its use, paper |
BR112019004915A2 (pt) | 2016-09-16 | 2019-06-25 | Basf Se | método de modificação de pasta de fabricação de papel, pasta de fibra modificada com enzima, pasta de fibra de madeira macia modificada com enzima, e, produto de pasta ou folha contínua de papel. |
AU2019236073A1 (en) * | 2018-03-15 | 2020-09-17 | Buckman Laboratories International, Inc. | Method and system for producing market pulp and products thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2604198B1 (fr) * | 1986-09-22 | 1989-07-07 | Du Pin Cellulose | Procede de traitement d'une pate papetiere par une solution enzymatique. |
DE3713739A1 (de) * | 1987-04-24 | 1988-11-17 | Roehm Gmbh | Verfahren zum verbessern der entwaesserbarkeit von biologischem klaerschlamm |
US5169497A (en) * | 1991-10-07 | 1992-12-08 | Nalco Chemical Company | Application of enzymes and flocculants for enhancing the freeness of paper making pulp |
US5266164A (en) * | 1992-11-13 | 1993-11-30 | Nalco Chemical Company | Papermaking process with improved drainage and retention |
-
1994
- 1994-03-07 US US08/206,364 patent/US5423946A/en not_active Expired - Lifetime
-
1995
- 1995-03-06 CA CA002143985A patent/CA2143985C/en not_active Expired - Fee Related
- 1995-03-07 KR KR1019950005025A patent/KR0180263B1/ko not_active IP Right Cessation
- 1995-03-07 JP JP7047638A patent/JPH07252795A/ja active Pending
- 1995-03-07 AU AU13685/95A patent/AU682087B2/en not_active Ceased
- 1995-03-07 BR BR9500843A patent/BR9500843A/pt not_active IP Right Cessation
- 1995-03-07 EP EP95103245A patent/EP0671507B1/en not_active Expired - Lifetime
- 1995-03-07 DE DE69536016T patent/DE69536016D1/de not_active Expired - Lifetime
- 1995-03-07 FI FI951058A patent/FI120007B/fi not_active IP Right Cessation
- 1995-03-07 ES ES95103245T patent/ES2336511T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2143985A1 (en) | 1995-09-08 |
EP0671507B1 (en) | 2009-11-04 |
CA2143985C (en) | 2006-11-28 |
FI951058A0 (fi) | 1995-03-07 |
EP0671507A3 (en) | 1996-01-24 |
KR0180263B1 (ko) | 1999-04-01 |
FI951058A (fi) | 1995-09-08 |
US5423946A (en) | 1995-06-13 |
KR950032643A (ko) | 1995-12-22 |
JPH07252795A (ja) | 1995-10-03 |
ES2336511T3 (es) | 2010-04-13 |
DE69536016D1 (de) | 2009-12-17 |
FI120007B (fi) | 2009-05-29 |
AU682087B2 (en) | 1997-09-18 |
EP0671507A2 (en) | 1995-09-13 |
AU1368595A (en) | 1995-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B25D | Requested change of name of applicant approved |
Owner name: ONDEO NALCO COMPANY (US) Free format text: ALTERADO DE: NALCO CHEMICAL COMPANY |
|
B25G | Requested change of headquarter approved |
Owner name: ONDEO NALCO COMPANY (US) Free format text: SEDE ALTERADA CONFORME SOLICITADO NA PETICAO NO 057709/RJ DE 02/12/2004. |
|
B25D | Requested change of name of applicant approved |
Owner name: NALCO COMPANY (US) Free format text: ALTERADO DE: ONDEO NALCO COMPANY |
|
B25G | Requested change of headquarter approved |
Owner name: NALCO COMPANY (US) Free format text: SEDE ALTERADA CONFORME SOLICITADO NA PETICAO NO 057709/RJ DE 02/12/2004. |
|
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2256 DE 01/04/2014 POR TER SIDO INDEVIDA. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 16A, 17A, 18A, 19A E 20A ANUIDADES. |
|
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 2606 DE 15-12-2020 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. |