NZ338029A - Method for producing high dry-strength paper, pulpboard and cardboard - Google Patents

Method for producing high dry-strength paper, pulpboard and cardboard

Info

Publication number
NZ338029A
NZ338029A NZ338029A NZ33802998A NZ338029A NZ 338029 A NZ338029 A NZ 338029A NZ 338029 A NZ338029 A NZ 338029A NZ 33802998 A NZ33802998 A NZ 33802998A NZ 338029 A NZ338029 A NZ 338029A
Authority
NZ
New Zealand
Prior art keywords
pulpboard
cardboard
producing high
paper
dry
Prior art date
Application number
NZ338029A
Other languages
English (en)
Inventor
Rainer Dyllick-Brenzinger
Primoz Lorencak
Hubert Meixner
Peter Baumann
Ellen Kruger
Andreas Stange
Martin Rubenacker
Original Assignee
Basf Ag
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=7825332&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NZ338029(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Ag filed Critical Basf Ag
Publication of NZ338029A publication Critical patent/NZ338029A/xx

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
    • 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
    • D21H21/14—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 characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
    • 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
    • D21H17/41—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
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
    • 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
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/56—Polyamines; Polyimines; Polyester-imides
    • 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

Landscapes

  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
NZ338029A 1997-04-04 1998-03-26 Method for producing high dry-strength paper, pulpboard and cardboard NZ338029A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19713755A DE19713755A1 (de) 1997-04-04 1997-04-04 Verfahren zur Herstellung von Papier, Pappe und Karton mit hoher Trockenfestigkeit
PCT/EP1998/001786 WO1998045536A1 (de) 1997-04-04 1998-03-26 Verfahren zur herstellung von papier, pappe und karton mit hoher trockenfestigkeit

Publications (1)

Publication Number Publication Date
NZ338029A true NZ338029A (en) 2000-04-28

Family

ID=7825332

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ338029A NZ338029A (en) 1997-04-04 1998-03-26 Method for producing high dry-strength paper, pulpboard and cardboard

Country Status (13)

Country Link
US (1) US6616807B1 (enExample)
EP (1) EP0972110B2 (enExample)
JP (1) JP2001518988A (enExample)
KR (1) KR20010006002A (enExample)
AT (1) ATE268410T1 (enExample)
AU (1) AU730063B2 (enExample)
CA (1) CA2284931C (enExample)
DE (2) DE19713755A1 (enExample)
ES (1) ES2222591T3 (enExample)
NZ (1) NZ338029A (enExample)
PT (1) PT972110E (enExample)
WO (1) WO1998045536A1 (enExample)
ZA (1) ZA982842B (enExample)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2367317A1 (en) 1999-04-01 2000-10-12 Basf Aktiengesellschaft Modification of starch with cationic polymers and use of modified starches as paper dry strength enhancer
AU1739301A (en) * 1999-11-01 2001-05-14 Leopack B.V. Moulded fibre products comprising modified starch and process for producing the same
US6824650B2 (en) * 2001-12-18 2004-11-30 Kimberly-Clark Worldwide, Inc. Fibrous materials treated with a polyvinylamine polymer
US7214633B2 (en) 2001-12-18 2007-05-08 Kimberly-Clark Worldwide, Inc. Polyvinylamine treatments to improve dyeing of cellulosic materials
US6723204B2 (en) * 2002-04-08 2004-04-20 Hercules Incorporated Process for increasing the dry strength of paper
DE10233524B4 (de) * 2002-07-23 2006-02-09 Mühle Rüningen GmbH & Co. KG Mittel zur Erhöhung der Aufnahmefähigkeit von Papiermasse für Stärke, Verfahren zur Herstellung, Verwendung sowie Verfahren zur Herstellung von Papier
US7494566B2 (en) * 2002-09-13 2009-02-24 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Composition for increasing cellulosic product strength and method of increasing cellulosic product strength
US7090745B2 (en) * 2002-09-13 2006-08-15 University Of Pittsburgh Method for increasing the strength of a cellulosic product
US20050109476A1 (en) * 2003-07-21 2005-05-26 Muhle Runingen Gmbh & Co. Kg Medium for increasing the absorption capacity of paper pulp for starch
EP1725616A2 (en) * 2004-02-27 2006-11-29 University Of Pittsburgh Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery
WO2007071566A1 (en) * 2005-12-22 2007-06-28 Clariant International Ltd Dry strength system for the production of paper and board
WO2007136756A2 (en) * 2006-05-18 2007-11-29 Hercules Incorporated Michael addition adducts as additives for paper and papermaking
EP1865105B1 (en) * 2006-06-09 2009-09-16 Coöperatie Avebe U.A. Process for making paper using cationic amylopectin starch
WO2008035368A2 (en) * 2006-06-26 2008-03-27 Biltube India Limited Core board
US7875676B2 (en) 2006-09-07 2011-01-25 Ciba Specialty Chemicals Corporation Glyoxalation of vinylamide polymer
PT2178929E (pt) 2007-08-02 2012-03-16 Hercules Inc Polímeros modificados contendo vinilamina como aditivos na produção de papel
US8088250B2 (en) 2008-11-26 2012-01-03 Nalco Company Method of increasing filler content in papermaking
AR071441A1 (es) * 2007-11-05 2010-06-23 Ciba Holding Inc N- vinilamida glioxilada
EP2148003A1 (en) 2008-07-22 2010-01-27 Mühle Rüningen GmbH & Co. KG Process for the production of a modified starch containing product, modified starch containing product obtainable by that process and use thereof in paper manufacture
EP2315875B1 (de) * 2008-08-18 2014-03-05 Basf Se Verfahren zur erhöhung der trockenfestigkeit von papier, pappe und karton
CN102119180B (zh) * 2009-01-30 2014-06-25 赫尔克里士公司 造纸中用作添加剂的含季乙烯胺的聚合物
CA2763508C (en) * 2009-06-16 2018-07-17 Basf Se Method for increasing the dry strength of paper, paperboard, and cardboard
MX340374B (es) * 2009-11-06 2016-07-07 Solenis Technologies Cayman Lp Aplicación superficial de polímeros y mezclas de polímeros para mejorar la resistencia del papel.
AU2011237628B2 (en) * 2010-04-07 2013-09-19 Solenis Technologies Cayman, L.P. Stable and aqueous compositions of polyvinylamines with cationic starch, and utility for papermaking
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
EP2635645B1 (en) 2010-11-05 2017-07-05 Solenis Technologies Cayman, L.P. Surface application of polymers to improve paper strength
US8980056B2 (en) 2010-11-15 2015-03-17 Kemira Oyj Composition and process for increasing the dry strength of a paper product
JP5714947B2 (ja) * 2011-03-16 2015-05-07 ニチハ株式会社 無機質板、及びその製造方法
CN103492425B (zh) 2011-04-14 2016-08-31 索理思科技开曼公司 含酰化乙烯胺的聚合物的制备方法及其作为造纸添加剂的应用
FI20115690A0 (fi) 2011-06-30 2011-06-30 Kemira Oyj Fiksatiivikoostumus, sakeamassakoostumus ja menetelmä hydrofobisten ja/tai anionisten aineiden kiinnittämiseksi kuituihin
WO2013026578A1 (en) 2011-08-25 2013-02-28 Ashland Licensing And Intellectual Property Llc Method for increasing the advantages of strength aids in the production of paper and paperboard
CA2854872C (en) 2011-11-10 2017-12-05 Hercules Incorporated Vinylamine containing copolymer microparticles as additives in papermaking
CA2858310C (en) 2011-12-06 2021-02-16 Basf Se Preparation of polyvinylamide cellulose reactive adducts
EP2809845B1 (en) * 2012-02-01 2019-01-16 Basf Se Process for the manufacture of paper and paperboard
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
EP3044365B1 (en) 2013-09-09 2018-05-23 Basf Se High molecular weight and high cationic chargeglyoxalatedpolyacrylamide copolymers, and their methods of manufacture and use
CN104452463B (zh) 2013-09-12 2017-01-04 艺康美国股份有限公司 造纸方法以及组合物
CN104452455B (zh) 2013-09-12 2019-04-05 艺康美国股份有限公司 造纸助剂组合物以及增加成纸灰分保留的方法
US9567708B2 (en) 2014-01-16 2017-02-14 Ecolab Usa Inc. Wet end chemicals for dry end strength in paper
US9885155B2 (en) 2014-04-16 2018-02-06 Solenis Technologies, L.P. Modified vinylamine containing polymers and their use in papermaking
SE539914C2 (sv) * 2014-04-29 2018-01-09 Stora Enso Oyj Process för framställning av åtminstone ett skikt hos ett papper eller en kartong samt ett papper eller en kartong som framställts enligt processen
US9920482B2 (en) 2014-10-06 2018-03-20 Ecolab Usa Inc. Method of increasing paper strength
US9702086B2 (en) * 2014-10-06 2017-07-11 Ecolab Usa Inc. Method of increasing paper strength using an amine containing polymer composition
US9783933B2 (en) 2015-04-10 2017-10-10 Solenis Technologies, L.P. Modified vinylamine-containing polymers and their use in papermaking
SE540115C2 (en) * 2016-09-21 2018-04-03 A paper or paperboard product comprising at least one ply containing high yield pulp and its production method
FI20185272A1 (en) * 2018-03-22 2019-09-23 Kemira Oyj Dry strength composition, its use and method for making of paper, board or the like
JP6696532B2 (ja) * 2018-06-18 2020-05-20 栗田工業株式会社 紙の製造方法
US11098453B2 (en) 2019-05-03 2021-08-24 First Quality Tissue, Llc Absorbent structures with high absorbency and low basis weight

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1110004A (en) † 1964-07-28 1968-04-18 Basf Ag Improved papers having high mechanical strength and their production
US3734820A (en) * 1971-09-22 1973-05-22 Calgon Corp Cationic dextran graft copolymers as dry strength additives for paper
US3854970A (en) * 1973-08-13 1974-12-17 Nalco Chemical Co Cationic starch and condensates for making the same
US4097427A (en) * 1977-02-14 1978-06-27 Nalco Chemical Company Cationization of starch utilizing alkali metal hydroxide, cationic water-soluble polymer and oxidant for improved wet end strength
US4146515A (en) * 1977-09-12 1979-03-27 Nalco Chemical Company Making a lightly oxidized starch additive by adding a cationic polymer to starch slurry prior to heating the slurry
DE3128478A1 (de) * 1981-07-18 1983-02-03 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von linearen, basischen polymerisaten
US5201998A (en) * 1982-05-28 1993-04-13 Ciba-Geigy Corporation Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids
DE3534273A1 (de) * 1985-09-26 1987-04-02 Basf Ag Verfahren zur herstellung von vinylamin-einheiten enthaltenden wasserloeslichen copolymerisaten und deren verwendung als nass- und trockenverfestigungsmittel fuer papier
DE3627594A1 (de) * 1986-08-14 1988-02-18 Basf Ag Leimungsmittel fuer papier auf basis feinteiliger waessriger dispersionen
DE3702712A1 (de) * 1987-01-30 1988-08-11 Basf Ag Leimungsmittel fuer papier auf basis feinteiliger waessriger dispersionen
DE3706525A1 (de) * 1987-02-28 1988-09-08 Basf Ag Verfahren zur herstellung von papier, pappe und karton mit hoher trockenfestigkeit
DE3724646A1 (de) * 1987-07-25 1989-02-02 Basf Ag Verfahren zur herstellung von papier, pappe und karton mit hoher trockenfestigkeit
US5338406A (en) * 1988-10-03 1994-08-16 Hercules Incorporated Dry strength additive for paper
DE3909004A1 (de) * 1989-03-18 1990-09-27 Basf Ag Verwendung von nicht hydrolysierten n-vinylformamid-einheiten enthaltenden copolymerisaten bei der papierherstellung
US5496440A (en) * 1991-07-02 1996-03-05 Eka Nobel Ab Process for the manufacture of paper
US5382324A (en) * 1993-05-27 1995-01-17 Henkel Corporation Method for enhancing paper strength
US5516852A (en) * 1993-11-12 1996-05-14 W. R. Grace & Co.-Conn. Method of producing water-soluble cationic copolymers
US5700893A (en) * 1993-11-12 1997-12-23 Betzdearborn Inc. Water-soluble cationic copolymers and their use as flocculants and drainage aids
US5720888A (en) * 1993-11-12 1998-02-24 Betzdearborn Inc. Water-soluble cationic copolymers and their use as flocculants
DE4438708A1 (de) * 1994-10-29 1996-05-02 Basf Ag Verfahren zur kationischen Modifizierung von Stärke und Verwendung der kationisch modifizierten Stärke
DE19537088A1 (de) * 1995-10-05 1997-04-10 Basf Ag Verfahren zur Herstellung von trockenfest und naßfest ausgerüstetem Papier
DE19627553A1 (de) * 1996-07-09 1998-01-15 Basf Ag Verfahren zur Herstellung von Papier und Karton
DE19716821A1 (de) * 1997-04-22 1998-10-29 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
US5942087A (en) * 1998-02-17 1999-08-24 Nalco Chemical Company Starch retention in paper and board production

Also Published As

Publication number Publication date
AU730063B2 (en) 2001-02-22
CA2284931A1 (en) 1998-10-15
PT972110E (pt) 2004-10-29
EP0972110A1 (de) 2000-01-19
JP2001518988A (ja) 2001-10-16
EP0972110B2 (de) 2009-03-11
DE19713755A1 (de) 1998-10-08
KR20010006002A (ko) 2001-01-15
ATE268410T1 (de) 2004-06-15
ES2222591T3 (es) 2005-02-01
EP0972110B1 (de) 2004-06-02
WO1998045536A1 (de) 1998-10-15
AU7427598A (en) 1998-10-30
DE59811513D1 (de) 2004-07-08
ZA982842B (en) 1999-01-20
US6616807B1 (en) 2003-09-09
CA2284931C (en) 2010-02-16

Similar Documents

Publication Publication Date Title
NZ338029A (en) Method for producing high dry-strength paper, pulpboard and cardboard
AU3107293A (en) Enhancement of paper dry strength by anionic and cationic guar combination
NZ509528A (en) A process to improve the drainage rate and retention of fines during papermaking
WO1999055962A3 (en) A process for the production of paper
AU5399094A (en) Production of filled paper
AU5830096A (en) A process for production of paper and a polymer mixture for use in the process
ZA971221B (en) Production of filled paper and compositions for use in this.
MXPA03004961A (es) Proceso de polimerizacion.
DK0835343T3 (da) Fyldstof til anvendelse ved papirfremstilling og fremgangsmåde til fremstilling deraf
MY108781A (en) Papermaking process with improved retention and drainage.
WO1989006638A3 (en) Retention and drainage aid for papermaking
ATE283298T1 (de) Polymerdispersion und verfahren zu deren herstellung
AU2003250139A1 (en) Method for the production of paper, paperboard, and cardboard
PL340419A1 (en) Modified starch composition for removing solid particles from aqueous dispersions
CA2206143A1 (fr) Procede pour ameliorer la retention dans un procede de fabrication du papier, et agent de retention
ID22692A (id) Memproduksi kertas, karton dan kardus
AU2003209450A1 (en) Paper and materials and processes for its production
AU4084089A (en) A process for the production of paper
TWI263719B (en) Cellulosic product and process for its production
BR0015768A (pt) Métodos e aparelho para fabricação de papel ou papelão e o papel ou papelão obtidos
MX2007006724A (es) Un proceso para la produccion de papel.
ES2010430A6 (es) Procedimiento para fabricar papel
DK64092D0 (enExample)
AU5283599A (en) The use of modified starch products as retention agents in the production of paper
ID25782A (id) Campuran koloid asam silika dalam sistem mikropartikel yang digunakan dalam pembuatan kertas

Legal Events

Date Code Title Description
RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
ERR Error or correction

Free format text: THE OWNER HAS BEEN CORRECTED TO 3004745, BASF SE, CARL-BOSCH-STRASSE 38, 67056 LUDWIGSHAFEN, DE

Effective date: 20141118