AU2010266518B2 - Papermaking and products made thereby with high solids glyoxalated-polyacrylamide and silicon-containing microparticle - Google Patents
Papermaking and products made thereby with high solids glyoxalated-polyacrylamide and silicon-containing microparticle Download PDFInfo
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- AU2010266518B2 AU2010266518B2 AU2010266518A AU2010266518A AU2010266518B2 AU 2010266518 B2 AU2010266518 B2 AU 2010266518B2 AU 2010266518 A AU2010266518 A AU 2010266518A AU 2010266518 A AU2010266518 A AU 2010266518A AU 2010266518 B2 AU2010266518 B2 AU 2010266518B2
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- 239000011859 microparticle Substances 0.000 title claims abstract description 126
- 229920002401 polyacrylamide Polymers 0.000 title claims abstract description 111
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000010703 silicon Substances 0.000 title claims abstract description 73
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 73
- 239000007787 solid Substances 0.000 title abstract description 47
- 229920000642 polymer Polymers 0.000 claims abstract description 90
- 230000014759 maintenance of location Effects 0.000 claims abstract description 39
- 239000000725 suspension Substances 0.000 claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 114
- 239000000377 silicon dioxide Substances 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 48
- 125000002091 cationic group Chemical group 0.000 claims description 46
- 229920005601 base polymer Polymers 0.000 claims description 43
- 239000000835 fiber Substances 0.000 claims description 40
- 230000008569 process Effects 0.000 claims description 40
- 239000000178 monomer Substances 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 35
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 33
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 31
- 239000000440 bentonite Substances 0.000 claims description 30
- 229910000278 bentonite Inorganic materials 0.000 claims description 30
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 29
- 229940015043 glyoxal Drugs 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
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- 150000001408 amides Chemical group 0.000 claims description 7
- 239000008119 colloidal silica Substances 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 claims description 5
- 239000007900 aqueous suspension Substances 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- NPPUWKCCXAPWKH-UHFFFAOYSA-M (4-ethenylphenyl)-trimethylazanium;chloride Chemical compound [Cl-].C[N+](C)(C)C1=CC=C(C=C)C=C1 NPPUWKCCXAPWKH-UHFFFAOYSA-M 0.000 claims description 3
- OHDSHGBRKMRPHC-UHFFFAOYSA-N 2-(4-ethenylphenyl)-n,n-dimethylethanamine Chemical compound CN(C)CCC1=CC=C(C=C)C=C1 OHDSHGBRKMRPHC-UHFFFAOYSA-N 0.000 claims description 3
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 claims description 3
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical group C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 claims description 3
- ZWAPMFBHEQZLGK-UHFFFAOYSA-N 5-(dimethylamino)-2-methylidenepentanamide Chemical compound CN(C)CCCC(=C)C(N)=O ZWAPMFBHEQZLGK-UHFFFAOYSA-N 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- IHBKAGRPNRKYAO-UHFFFAOYSA-M methyl sulfate;trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium Chemical compound COS([O-])(=O)=O.CC(=C)C(=O)OCC[N+](C)(C)C IHBKAGRPNRKYAO-UHFFFAOYSA-M 0.000 claims description 3
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- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 9
- 239000000706 filtrate Substances 0.000 description 9
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
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- 229910052708 sodium Inorganic materials 0.000 description 4
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
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- 238000004132 cross linking Methods 0.000 description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
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- 239000011591 potassium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LPNSCOVIJFIXTJ-UHFFFAOYSA-N 2-methylidenebutanamide Chemical compound CCC(=C)C(N)=O LPNSCOVIJFIXTJ-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 2
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- 238000012546 transfer Methods 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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
- D21H17/20—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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/13—Silicon-containing compounds
-
- 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
- D21H17/63—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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22110709P | 2009-06-29 | 2009-06-29 | |
| US61/221,107 | 2009-06-29 | ||
| PCT/US2010/039951 WO2011002677A1 (en) | 2009-06-29 | 2010-06-25 | Papermaking and products made thereby with high solids glyoxalated-polyacrylamide and silicon-containing microparticle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2010266518A1 AU2010266518A1 (en) | 2012-02-02 |
| AU2010266518B2 true AU2010266518B2 (en) | 2013-01-10 |
Family
ID=43379447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2010266518A Ceased AU2010266518B2 (en) | 2009-06-29 | 2010-06-25 | Papermaking and products made thereby with high solids glyoxalated-polyacrylamide and silicon-containing microparticle |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20100326615A1 (de) |
| EP (1) | EP2449175A4 (de) |
| CN (1) | CN102482851A (de) |
| AU (1) | AU2010266518B2 (de) |
| BR (1) | BRPI1010049A2 (de) |
| CA (1) | CA2766790A1 (de) |
| MX (1) | MX2011013980A (de) |
| NZ (1) | NZ597064A (de) |
| WO (1) | WO2011002677A1 (de) |
| ZA (1) | ZA201109249B (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132383B (zh) * | 2011-11-25 | 2017-04-12 | 纳尔科公司 | 在造纸中用于改善纸强度助剂性能的浆料预处理 |
| PT2809845T (pt) | 2012-02-01 | 2019-03-22 | Basf Se | Processo para o fabrico de papel e cartão |
| CN104093902B (zh) * | 2012-02-01 | 2017-09-08 | 巴斯夫欧洲公司 | 纸和纸板的制造方法 |
| EP3044365B1 (de) * | 2013-09-09 | 2018-05-23 | Basf Se | Glyoxalatpolyacrylamidcopolymere mit hohem molekulargewicht und hoher kationenladung sowie deren verfahren zur herstellung und verwendung |
| US9347181B2 (en) | 2013-11-22 | 2016-05-24 | Kemira Oyj | Method for increasing paper strength |
| CN106147354A (zh) * | 2015-04-23 | 2016-11-23 | 埃科莱布美国股份有限公司 | 一种涂料防粘剂组合物及其应用 |
| CN105155339A (zh) * | 2015-08-05 | 2015-12-16 | 天津科技大学 | 一种微粒助留助滤方法 |
| US10458068B2 (en) * | 2016-02-16 | 2019-10-29 | Kemira Oyj | Method for producing paper |
| CA3033044C (en) * | 2016-09-15 | 2024-02-20 | Kemira Oyj | Paper product and method for increasing the strength thereof |
| RU2753445C2 (ru) * | 2016-09-16 | 2021-08-16 | Соленис Текнолоджиз, Л.П. | Повышенная эффективность обезвоживания в бумагоделательных системах с использованием микрофибриллированной целлюлозы |
| WO2018063273A1 (en) * | 2016-09-30 | 2018-04-05 | Kemira Oyj | Drainage system and process for manufacturing paper product or the like |
| US10954633B2 (en) | 2016-09-30 | 2021-03-23 | Kemira Oyj | Process for making paper, paperboard or the like |
| KR20220149758A (ko) * | 2020-03-18 | 2022-11-08 | 케미라 오와이제이 | 폴리아크릴아미드의 현장 글리옥실화 방법 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020062938A1 (en) * | 2000-09-20 | 2002-05-30 | Caroline Westman | Process for the production of paper |
| US20030079848A1 (en) * | 1999-12-02 | 2003-05-01 | Jonni Ahlgren | Method for production of paper |
| US20060270801A1 (en) * | 2005-05-25 | 2006-11-30 | Georgia-Pacific Resins, Inc. | Glyoxalated inter-copolymers with high and adjustable charge density |
| US20080308242A1 (en) * | 2007-06-15 | 2008-12-18 | Buckman Laboratories International, Inc. | High Solids Glyoxalated Polyacrylamide |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3556932A (en) * | 1965-07-12 | 1971-01-19 | American Cyanamid Co | Water-soluble,ionic,glyoxylated,vinylamide,wet-strength resin and paper made therewith |
| EP0017353B2 (de) * | 1979-03-28 | 1992-04-29 | Ciba Specialty Chemicals Water Treatments Limited | Herstellung von Papier und Pappe |
| SE432951B (sv) * | 1980-05-28 | 1984-04-30 | Eka Ab | Pappersprodukt innehallande cellulosafibrer och ett bindemedelssystem som omfattar kolloidal kiselsyra och katjonisk sterkelse samt forfarande for framstellning av pappersprodukten |
| SE8403062L (sv) * | 1984-06-07 | 1985-12-08 | Eka Ab | Forfarande vid papperstillverkning |
| US4605702A (en) * | 1984-06-27 | 1986-08-12 | American Cyanamid Company | Temporary wet strength resin |
| GB8602121D0 (en) * | 1986-01-29 | 1986-03-05 | Allied Colloids Ltd | Paper & paper board |
| SE500387C2 (sv) * | 1989-11-09 | 1994-06-13 | Eka Nobel Ab | Silikasoler, förfarande för framställning av silikasoler samt användning av solerna i pappersframställning |
| SE501214C2 (sv) * | 1992-08-31 | 1994-12-12 | Eka Nobel Ab | Silikasol samt förfarande för framställning av papper under användande av solen |
| US6077394A (en) * | 1998-03-31 | 2000-06-20 | Callaway Chemical Corporation | Retention and drainage in alkaline fine paper |
| FR2777918B1 (fr) * | 1998-04-27 | 2000-06-23 | Rhodia Chimie Sa | Procede de fabrication de papier utilisant un nouveau systeme de retention comprenant de la bentonite et un galactomanne cationique |
| EP1398413A2 (de) * | 1998-06-12 | 2004-03-17 | Fort James Corporation | Verfahren zur Herstellung einer Papierbahn mit grossem internen Leervolumen aus Altpapierfasern und damit erhaltenes Produkt |
| PE20001258A1 (es) * | 1998-12-07 | 2000-11-08 | Hercules Inc | Poliacrilamidas glioxalatadas como agentes fortalecedores de papel |
| US7189776B2 (en) * | 2001-06-12 | 2007-03-13 | Akzo Nobel N.V. | Aqueous composition |
| US7641766B2 (en) * | 2004-01-26 | 2010-01-05 | Nalco Company | Method of using aldehyde-functionalized polymers to enhance paper machine dewatering |
| WO2006068964A2 (en) * | 2004-12-21 | 2006-06-29 | Hercules Incorporated | Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems |
| US7955473B2 (en) * | 2004-12-22 | 2011-06-07 | Akzo Nobel N.V. | Process for the production of paper |
| JP2010528196A (ja) * | 2007-05-23 | 2010-08-19 | アクゾ ノーベル ナムローゼ フェンノートシャップ | セルロース系製造物の製造方法 |
-
2010
- 2010-06-25 WO PCT/US2010/039951 patent/WO2011002677A1/en active Application Filing
- 2010-06-25 MX MX2011013980A patent/MX2011013980A/es not_active Application Discontinuation
- 2010-06-25 BR BRPI1010049A patent/BRPI1010049A2/pt not_active Application Discontinuation
- 2010-06-25 CA CA2766790A patent/CA2766790A1/en not_active Abandoned
- 2010-06-25 NZ NZ597064A patent/NZ597064A/xx not_active IP Right Cessation
- 2010-06-25 CN CN2010800385292A patent/CN102482851A/zh active Pending
- 2010-06-25 AU AU2010266518A patent/AU2010266518B2/en not_active Ceased
- 2010-06-25 EP EP10794581.8A patent/EP2449175A4/de not_active Withdrawn
- 2010-06-25 US US12/823,421 patent/US20100326615A1/en not_active Abandoned
-
2011
- 2011-12-15 ZA ZA2011/09249A patent/ZA201109249B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030079848A1 (en) * | 1999-12-02 | 2003-05-01 | Jonni Ahlgren | Method for production of paper |
| US20020062938A1 (en) * | 2000-09-20 | 2002-05-30 | Caroline Westman | Process for the production of paper |
| US20060270801A1 (en) * | 2005-05-25 | 2006-11-30 | Georgia-Pacific Resins, Inc. | Glyoxalated inter-copolymers with high and adjustable charge density |
| US20080308242A1 (en) * | 2007-06-15 | 2008-12-18 | Buckman Laboratories International, Inc. | High Solids Glyoxalated Polyacrylamide |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2766790A1 (en) | 2011-01-06 |
| EP2449175A1 (de) | 2012-05-09 |
| WO2011002677A1 (en) | 2011-01-06 |
| AU2010266518A1 (en) | 2012-02-02 |
| ZA201109249B (en) | 2012-08-29 |
| BRPI1010049A2 (pt) | 2016-04-12 |
| NZ597064A (en) | 2012-11-30 |
| MX2011013980A (es) | 2012-04-02 |
| US20100326615A1 (en) | 2010-12-30 |
| EP2449175A4 (de) | 2013-12-04 |
| CN102482851A (zh) | 2012-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |