DE69529306T2 - Papierherstellung - Google Patents
PapierherstellungInfo
- Publication number
- DE69529306T2 DE69529306T2 DE69529306T DE69529306T DE69529306T2 DE 69529306 T2 DE69529306 T2 DE 69529306T2 DE 69529306 T DE69529306 T DE 69529306T DE 69529306 T DE69529306 T DE 69529306T DE 69529306 T2 DE69529306 T2 DE 69529306T2
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- stock
- thick
- added
- coagulant
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
- D21H23/765—Addition of all compounds to 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
- 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
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Polarising Elements (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9410920A GB9410920D0 (en) | 1994-06-01 | 1994-06-01 | Manufacture of paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69529306D1 DE69529306D1 (de) | 2003-02-06 |
| DE69529306T2 true DE69529306T2 (de) | 2003-10-16 |
Family
ID=10755980
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69529306T Expired - Fee Related DE69529306T2 (de) | 1994-06-01 | 1995-06-01 | Papierherstellung |
| DE69522410T Active DE69522410T8 (de) | 1994-06-01 | 1995-06-01 | Papierherstellung |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69522410T Active DE69522410T8 (de) | 1994-06-01 | 1995-06-01 | Papierherstellung |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US5676796A (enExample) |
| EP (2) | EP0711371B2 (enExample) |
| JP (1) | JP3696243B2 (enExample) |
| KR (1) | KR100386407B1 (enExample) |
| AT (2) | ATE230456T1 (enExample) |
| AU (1) | AU704904B2 (enExample) |
| BR (1) | BR9506247A (enExample) |
| CA (1) | CA2168092C (enExample) |
| DE (2) | DE69529306T2 (enExample) |
| DK (2) | DK1039026T3 (enExample) |
| ES (2) | ES2161893T5 (enExample) |
| FI (1) | FI121314B (enExample) |
| GB (1) | GB9410920D0 (enExample) |
| IL (1) | IL113972A (enExample) |
| IN (1) | IN190290B (enExample) |
| MX (1) | MX9600431A (enExample) |
| NO (1) | NO323485B1 (enExample) |
| NZ (1) | NZ287497A (enExample) |
| PT (1) | PT711371E (enExample) |
| TW (1) | TW275655B (enExample) |
| WO (1) | WO1995033097A1 (enExample) |
| ZA (1) | ZA954454B (enExample) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827398A (en) * | 1996-02-13 | 1998-10-27 | Allied Colloids Limited | Production of filled paper |
| US6113741A (en) * | 1996-12-06 | 2000-09-05 | Eka Chemicals Ab | Process for the production of paper |
| US5900116A (en) | 1997-05-19 | 1999-05-04 | Sortwell & Co. | Method of making paper |
| CA2290473C (en) | 1997-05-19 | 2006-09-12 | Sortwell & Co. | Method of water treatment using zeolite crystalloid coagulants |
| ATE550298T1 (de) * | 1997-06-09 | 2012-04-15 | Akzo Nobel Nv | Verfahren zur herstellung von polysilikat- mikrogelen |
| US5989392A (en) * | 1997-09-10 | 1999-11-23 | Nalco Chemical Company | Method of using polyammonium quaternary for controlling anionic trash and pitch deposition in pulp containing broke |
| US6474354B2 (en) | 1997-09-18 | 2002-11-05 | Alberta Research Council Inc. | On-line sensor for colloidal substances |
| US5942087A (en) * | 1998-02-17 | 1999-08-24 | Nalco Chemical Company | Starch retention in paper and board production |
| FR2779452B1 (fr) † | 1998-06-04 | 2000-08-11 | Snf Sa | Procede de fabrication de papier et carton et nouveaux agents de retention et d'egouttage correspondants, et papiers et cartons ainsi obtenus |
| US6511579B1 (en) * | 1998-06-12 | 2003-01-28 | Fort James Corporation | Method of making a paper web having a high internal void volume of secondary fibers and a product made by the process |
| FR2779752B1 (fr) * | 1998-06-12 | 2000-08-11 | Snf Sa | Procede de fabrication de papier et carton et nouveaux agents de retention correspondants, et papiers et cartons ainsi obtenus |
| US6719881B1 (en) * | 1998-09-22 | 2004-04-13 | Charles R. Hunter | Acid colloid in a microparticle system used in papermaking |
| ID29633A (id) * | 1998-09-22 | 2001-09-06 | Calgon Corp | Koloid asam dalam sistem mikropartikel yang digunakan dalam pembuatan kertas |
| CN1231639C (zh) * | 1998-09-22 | 2005-12-14 | 卡尔贡公司 | 在造纸过程中使用的微粒体系中的二氧化硅-酸性胶体混合物 |
| WO2000034581A1 (en) * | 1998-12-10 | 2000-06-15 | CALGON CORPORATION a corporation of the State of Delaware | Polyampholyte coagulant in the papermaking process |
| US6103065A (en) * | 1999-03-30 | 2000-08-15 | Basf Corporation | Method for reducing the polymer and bentonite requirement in papermaking |
| TW483970B (en) * | 1999-11-08 | 2002-04-21 | Ciba Spec Chem Water Treat Ltd | A process for making paper and paperboard |
| MY140287A (en) * | 2000-10-16 | 2009-12-31 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paperboard |
| GB0115411D0 (en) * | 2001-06-25 | 2001-08-15 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paper board |
| KR100449000B1 (ko) * | 2001-12-31 | 2004-09-16 | 한국조폐공사 | 습강지의 제조방법 |
| DE10236252B4 (de) * | 2002-08-07 | 2005-06-30 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton |
| DE20220979U1 (de) * | 2002-08-07 | 2004-10-14 | Basf Ag | Papierprodukt |
| JP4179913B2 (ja) * | 2003-03-31 | 2008-11-12 | ソマール株式会社 | 紙の製造方法 |
| DE10346750A1 (de) * | 2003-10-06 | 2005-04-21 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton |
| DE102004013007A1 (de) | 2004-03-16 | 2005-10-06 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton |
| FR2869625B1 (fr) * | 2004-04-29 | 2007-09-21 | Snf Sas Soc Par Actions Simpli | Procede de fabrication de papier et carton, nouveaux agents de retention et d'egouttage correspondants, et papiers et cartons ainsi obtenus |
| FR2869626A3 (fr) * | 2004-04-29 | 2005-11-04 | Snf Sas Soc Par Actions Simpli | Procede de fabrication de papier et carton, nouveaux agents de retention et d'egouttage correspondants, et papiers et cartons ainsi obtenus |
| DE102004044379B4 (de) | 2004-09-10 | 2008-01-10 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton und Verwendung einer Retentionsmittelkombination |
| KR101041508B1 (ko) * | 2004-12-22 | 2011-06-16 | 아크조 노벨 엔.브이. | 종이의 제조방법 |
| US7955473B2 (en) | 2004-12-22 | 2011-06-07 | Akzo Nobel N.V. | Process for the production of paper |
| DE102004063005A1 (de) * | 2004-12-22 | 2006-07-13 | Basf Ag | Verfahren zur Herstellung von Papier, Pappe und Karton |
| US8308902B2 (en) | 2004-12-29 | 2012-11-13 | Hercules Incorporated | Retention and drainage in the manufacture of paper |
| US20060142429A1 (en) * | 2004-12-29 | 2006-06-29 | Gelman Robert A | Retention and drainage in the manufacture of paper |
| US20060137843A1 (en) * | 2004-12-29 | 2006-06-29 | Sutman Frank J | Retention and drainage in the manufacture of paper |
| US20060142431A1 (en) * | 2004-12-29 | 2006-06-29 | Sutman Frank J | Retention and drainage in the manufacture of paper |
| US20060142430A1 (en) * | 2004-12-29 | 2006-06-29 | Harrington John C | Retention and drainage in the manufacture of paper |
| US20060142432A1 (en) * | 2004-12-29 | 2006-06-29 | Harrington John C | Retention and drainage in the manufacture of paper |
| US20060254464A1 (en) | 2005-05-16 | 2006-11-16 | Akzo Nobel N.V. | Process for the production of paper |
| US20060289139A1 (en) * | 2005-06-24 | 2006-12-28 | Fushan Zhang | Retention and drainage in the manufacture of paper |
| US20070131372A1 (en) * | 2005-12-09 | 2007-06-14 | Plouff Michael T | Phyllosilicate Slurry For Papermaking |
| PL1969183T3 (pl) * | 2005-12-30 | 2015-05-29 | Akzo Nobel Chemicals Int Bv | Sposób wytwarzania papieru |
| US8273216B2 (en) | 2005-12-30 | 2012-09-25 | Akzo Nobel N.V. | Process for the production of paper |
| CN101443363B (zh) * | 2006-04-24 | 2012-04-18 | 西巴控股有限公司 | 阳离子多糖及其制备和应用 |
| FI119481B (fi) * | 2006-09-05 | 2008-11-28 | M Real Oyj | Kationisilla polyelektrolyyteillä modifioidut selluloosahiukkaset, menetelmä niiden valmistamiseksi sekä käyttö paperin ja kartongin valmistuksessa |
| WO2008031728A1 (en) * | 2006-09-15 | 2008-03-20 | Ciba Holding Inc. | Process of manufacturing paper |
| DE102008000811A1 (de) | 2007-03-29 | 2008-10-09 | Basf Se | Verfahren zur Herstellung von Papier |
| FI122734B (fi) | 2007-05-21 | 2012-06-15 | Kemira Oyj | Prosessikemikaali käytettäväksi paperin tai kartongin valmistuksessa |
| US8124808B2 (en) * | 2008-10-06 | 2012-02-28 | Union Carbide Chemicals & Plastics Technology Llc | Transalkoxylation of nucleophilic compounds |
| GB0821527D0 (en) * | 2008-11-26 | 2008-12-31 | Ciba Holding Inc | Aqueous polysilicate composition, its preparation and its use in papermaking |
| CA2801736C (en) * | 2010-06-11 | 2018-07-10 | Imerys Talc America, Inc. | Method for contaminant removal in paper production |
| US9150442B2 (en) | 2010-07-26 | 2015-10-06 | Sortwell & Co. | Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent polymers for clay aggregation |
| JP5933550B2 (ja) | 2010-08-25 | 2016-06-08 | ソレニス・テクノロジーズ・ケイマン・エル・ピー | 紙および板紙の生産でパルプ化セルロース系材料中のデンプンの利点を増加させる方法 |
| US8721896B2 (en) | 2012-01-25 | 2014-05-13 | Sortwell & Co. | Method for dispersing and aggregating components of mineral slurries and low molecular weight multivalent polymers for mineral aggregation |
| CN104093902B (zh) * | 2012-02-01 | 2017-09-08 | 巴斯夫欧洲公司 | 纸和纸板的制造方法 |
| FI124202B (en) * | 2012-02-22 | 2014-04-30 | Kemira Oyj | A method for improving the process of making paper or paperboard using recycled fibrous material |
| EP2943615B1 (en) * | 2013-01-11 | 2021-03-10 | Solenis Technologies Cayman, L.P. | Process for the manufacture of paper and paperboard |
| US8858759B1 (en) * | 2013-07-10 | 2014-10-14 | Ecolab Usa Inc. | Enhancement of sheet dewatering using soy flour or soy protein |
| US10000393B2 (en) | 2015-01-14 | 2018-06-19 | Ecolab Usa Inc. | Enhancement of dewatering using soy flour or soy protein |
| JP6257700B2 (ja) * | 2016-05-30 | 2018-01-10 | ハリマ化成株式会社 | ピッチコントロール剤およびピッチコントロール方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8602121D0 (en) * | 1986-01-29 | 1986-03-05 | Allied Colloids Ltd | Paper & paper board |
| DE68905208T3 (de) * | 1988-03-28 | 2001-02-15 | Allied Colloids Ltd., Bradford | Herstellung von Papier und Pappe. |
| US5292404A (en) * | 1989-02-18 | 1994-03-08 | Chemische Fabrik Stockhausen Gmbh | Process for trash removal or pitch-like resin control in the paper manufacture |
| CA2020207C (en) * | 1990-06-29 | 1996-06-25 | Jack A. Rattee | Bonded paper pigments |
| US5185062A (en) * | 1991-01-25 | 1993-02-09 | Nalco Chemical Company | Papermaking process with improved retention and drainage |
| US5098520A (en) * | 1991-01-25 | 1992-03-24 | Nalco Chemcial Company | Papermaking process with improved retention and drainage |
| US5126014A (en) * | 1991-07-16 | 1992-06-30 | Nalco Chemical Company | Retention and drainage aid for alkaline fine papermaking process |
| JPH0657685A (ja) * | 1991-08-28 | 1994-03-01 | Arakawa Chem Ind Co Ltd | 紙の抄造法 |
| GB9127173D0 (en) * | 1991-12-21 | 1992-02-19 | Vinings Ind Inc | Method for controlling pitch |
| US5368692A (en) * | 1992-01-22 | 1994-11-29 | Vinings Industries Inc. | Method for controlling pitch |
| US5240561A (en) * | 1992-02-10 | 1993-08-31 | Industrial Progress, Inc. | Acid-to-alkaline papermaking process |
| FR2692292B1 (fr) * | 1992-06-11 | 1994-12-02 | Snf Sa | Procédé de fabrication d'un papier ou d'un carton à rétention améliorée. |
| ATE153402T1 (de) * | 1992-07-02 | 1997-06-15 | Ecc Int Ltd | Verfahren zur harzkontrolle in der papierherstellung |
| US5256252A (en) * | 1992-07-15 | 1993-10-26 | Nalco Chemical Company | Method for controlling pitch deposits using lipase and cationic polymer |
| CA2102742A1 (en) * | 1992-11-10 | 1994-05-11 | Kevin S. Dell | Use of dadmac/acrylamide copolymer on newsprint machines |
| US5266164A (en) * | 1992-11-13 | 1993-11-30 | Nalco Chemical Company | Papermaking process with improved drainage and retention |
| GB9301451D0 (en) * | 1993-01-26 | 1993-03-17 | Allied Colloids Ltd | Production of filled paper |
-
1994
- 1994-06-01 GB GB9410920A patent/GB9410920D0/en active Pending
-
1995
- 1995-05-31 ZA ZA954454A patent/ZA954454B/xx unknown
- 1995-06-01 CA CA002168092A patent/CA2168092C/en not_active Expired - Fee Related
- 1995-06-01 AU AU26228/95A patent/AU704904B2/en not_active Ceased
- 1995-06-01 IL IL11397295A patent/IL113972A/xx not_active IP Right Cessation
- 1995-06-01 DE DE69529306T patent/DE69529306T2/de not_active Expired - Fee Related
- 1995-06-01 EP EP95921014A patent/EP0711371B2/en not_active Expired - Lifetime
- 1995-06-01 EP EP00115209A patent/EP1039026B1/en not_active Revoked
- 1995-06-01 KR KR1019960700477A patent/KR100386407B1/ko not_active Expired - Fee Related
- 1995-06-01 AT AT00115209T patent/ATE230456T1/de not_active IP Right Cessation
- 1995-06-01 US US08/592,394 patent/US5676796A/en not_active Expired - Lifetime
- 1995-06-01 ES ES95921014T patent/ES2161893T5/es not_active Expired - Lifetime
- 1995-06-01 DK DK00115209T patent/DK1039026T3/da active
- 1995-06-01 NZ NZ287497A patent/NZ287497A/en not_active IP Right Cessation
- 1995-06-01 JP JP50053096A patent/JP3696243B2/ja not_active Expired - Lifetime
- 1995-06-01 DK DK95921014T patent/DK0711371T3/da active
- 1995-06-01 AT AT95921014T patent/ATE204937T1/de active
- 1995-06-01 DE DE69522410T patent/DE69522410T8/de active Active
- 1995-06-01 ES ES00115209T patent/ES2188463T3/es not_active Expired - Lifetime
- 1995-06-01 BR BR9506247A patent/BR9506247A/pt not_active IP Right Cessation
- 1995-06-01 WO PCT/GB1995/001260 patent/WO1995033097A1/en not_active Ceased
- 1995-06-01 PT PT95921014T patent/PT711371E/pt unknown
- 1995-06-01 IN IN656MA1995 patent/IN190290B/en unknown
- 1995-06-05 TW TW084105618A patent/TW275655B/zh not_active IP Right Cessation
-
1996
- 1996-01-29 FI FI960397A patent/FI121314B/fi not_active IP Right Cessation
- 1996-01-31 MX MX9600431A patent/MX9600431A/es unknown
- 1996-01-31 NO NO19960415A patent/NO323485B1/no not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69529306T2 (de) | Papierherstellung | |
| DE69711697T2 (de) | Verfahren zur papierherstellung und materialen | |
| EP0223223B1 (de) | Verfahren zur Herstellung von Papier und Karton | |
| DE69709062T2 (de) | Herstellung von gefülltem papier, zusammensetzungen und deren verwendung | |
| DE69406957T2 (de) | Herstellung von gefülltem Papier | |
| DE69206735T2 (de) | Verfahren zur Papierherstellung | |
| DE69128563T2 (de) | Geladene Mikrokugeln aus organischen Polymeren für die Herstellung von Papier | |
| DE69409808T2 (de) | Papierherstellung | |
| DE68915542T2 (de) | Wasserhalt- und drainagemittel bei der papierherstellung. | |
| DE69713677T2 (de) | Papierherstellungsverfahren | |
| DE69410361T2 (de) | Zusammensetzungen und Verfahren zur Verbesserung zur Trennung von Feststoffen aus Dispersionen von Teilchen in Flüssigkeit | |
| DE69106014T2 (de) | Behandlung von wiedergewonnenem Papier mit Überzug. | |
| DE60007549T2 (de) | Herstellung von papier und pappe | |
| DE60029141T2 (de) | Verfahren zur papierherstellung | |
| DE3644072A1 (de) | Beschwertes papier | |
| DE60008427T2 (de) | Herstellung von papier und pappe | |
| DE69227466T2 (de) | Entwässerung von wässrigen suspensionen | |
| DE20220979U1 (de) | Papierprodukt | |
| DE60130451T2 (de) | Papierfaserstoff und flockungsmittel, die ein saures wässriges aluminumoxidsol enthalten | |
| DE69709675T2 (de) | Herstellung von papier und pappe | |
| DE102005043800A1 (de) | Verfahren zur Herstellung von Papier, Pappe und Karton | |
| DE69912954T3 (de) | Verfahren zur herstellung von papier und pappe | |
| EP1792010B1 (de) | Verfahren zur herstellung von papier, pappe und karton | |
| DE4436317C2 (de) | Verfahren zur Verbesserung der Retention von Mineral-Füllstoffen und Cellulosefasern auf einem Cellulose-Faserbogen | |
| DE69737945T2 (de) | Hydrophile Dispersionspolymere für Papieranwendungen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8339 | Ceased/non-payment of the annual fee |