BR112017027022A2 - - Google Patents
Info
- Publication number
- BR112017027022A2 BR112017027022A2 BR112017027022A BR112017027022A BR112017027022A2 BR 112017027022 A2 BR112017027022 A2 BR 112017027022A2 BR 112017027022 A BR112017027022 A BR 112017027022A BR 112017027022 A BR112017027022 A BR 112017027022A BR 112017027022 A2 BR112017027022 A2 BR 112017027022A2
- Authority
- BR
- Brazil
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
-
- 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
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
-
- 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
- D21H21/32—Bleaching agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15306543.8 | 2015-09-30 | ||
EP15306543 | 2015-09-30 | ||
EP16305924.9 | 2016-07-18 | ||
EP16305924 | 2016-07-18 | ||
PCT/EP2016/073350 WO2017055504A1 (en) | 2015-09-30 | 2016-09-29 | Methods for bleaching aqueous pulps and compositions for use in these methods |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112017027022A2 true BR112017027022A2 (de) | 2018-08-21 |
BR112017027022B1 BR112017027022B1 (pt) | 2023-04-18 |
Family
ID=57208245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017027022-6A BR112017027022B1 (pt) | 2015-09-30 | 2016-09-29 | Método para formação de uma composição para branqueamento de massas celulósicas aquosas, composição e kit de ingredientes |
Country Status (8)
Country | Link |
---|---|
US (1) | US20180155871A1 (de) |
EP (1) | EP3356596A1 (de) |
JP (1) | JP7013246B2 (de) |
KR (1) | KR20180061089A (de) |
CN (2) | CN107709657A (de) |
BR (1) | BR112017027022B1 (de) |
CA (1) | CA2989264A1 (de) |
WO (1) | WO2017055504A1 (de) |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127241A (en) * | 1964-03-31 | Preparation of magnesium hydroxide | ||
US2168228A (en) * | 1936-12-28 | 1939-08-01 | Carey Philip Mfg Co | Suspension of magnesium hydroxide and materials and process for making same |
US2231327A (en) * | 1937-09-25 | 1941-02-11 | Morton Salt Co | Preparation of magnesium products |
US2255422A (en) * | 1939-02-23 | 1941-09-09 | Dow Chemical Co | Process for the production of magnesium hydroxide |
US3301633A (en) * | 1964-01-24 | 1967-01-31 | Dow Chemical Co | Process for production of magnesium hydroxide and calcium chloride |
GB1262655A (en) * | 1968-09-20 | 1972-02-02 | Canadian Ind | Bleaching of wood pulp |
SE335053B (de) * | 1969-05-13 | 1971-05-10 | Mo Och Domsjoe Ab | |
HU183533B (en) * | 1981-07-30 | 1984-05-28 | Bela Racz | Process for producing aquous bitumen-composition |
SE470065C (sv) * | 1991-04-30 | 1996-01-15 | Eka Nobel Ab | Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning |
CA2211223C (en) * | 1995-02-17 | 2002-04-30 | Ahlstrom Machinery Oy | Method of pretreating pulp to be bleached with peroxide |
FI112958B (fi) | 1997-12-19 | 2004-02-13 | Kemira Oyj | Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö |
DE10040178A1 (de) * | 2000-08-17 | 2002-03-07 | Wacker Chemie Gmbh | Verdickungsmittel auf der Basis von Vinylalkohol-Mischpolymerisaten |
BRPI0709113A2 (pt) * | 2006-03-23 | 2011-06-28 | Hercules Inc | papel aperfeiçoado para revestimento material prensado de gesso |
GB2514840A (en) * | 2013-06-07 | 2014-12-10 | Imerys Minerals Ltd | Compositions for bleaching pulps and their use |
FR3007044B1 (fr) * | 2013-06-13 | 2016-01-15 | Air Liquide | Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium |
-
2016
- 2016-09-29 EP EP16787737.2A patent/EP3356596A1/de active Pending
- 2016-09-29 WO PCT/EP2016/073350 patent/WO2017055504A1/en active Application Filing
- 2016-09-29 CN CN201680037901.5A patent/CN107709657A/zh active Pending
- 2016-09-29 KR KR1020177037776A patent/KR20180061089A/ko not_active Application Discontinuation
- 2016-09-29 CA CA2989264A patent/CA2989264A1/en active Pending
- 2016-09-29 BR BR112017027022-6A patent/BR112017027022B1/pt active IP Right Grant
- 2016-09-29 US US15/735,964 patent/US20180155871A1/en not_active Abandoned
- 2016-09-29 JP JP2017566320A patent/JP7013246B2/ja active Active
- 2016-09-29 CN CN202410441658.XA patent/CN118308895A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20180155871A1 (en) | 2018-06-07 |
CA2989264A1 (en) | 2017-04-06 |
CN107709657A (zh) | 2018-02-16 |
JP2018534439A (ja) | 2018-11-22 |
WO2017055504A1 (en) | 2017-04-06 |
EP3356596A1 (de) | 2018-08-08 |
JP7013246B2 (ja) | 2022-02-15 |
KR20180061089A (ko) | 2018-06-07 |
CN118308895A (zh) | 2024-07-09 |
BR112017027022B1 (pt) | 2023-04-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/09/2016, OBSERVADAS AS CONDICOES LEGAIS |