FI105701B - Menetelmä ja laitteisto massan käsittelemiseksi - Google Patents
Menetelmä ja laitteisto massan käsittelemiseksi Download PDFInfo
- Publication number
- FI105701B FI105701B FI955878A FI955878A FI105701B FI 105701 B FI105701 B FI 105701B FI 955878 A FI955878 A FI 955878A FI 955878 A FI955878 A FI 955878A FI 105701 B FI105701 B FI 105701B
- Authority
- FI
- Finland
- Prior art keywords
- cooking
- pulp
- tower
- treatment
- acid
- Prior art date
Links
- 238000011282 treatment Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 27
- 239000002253 acid Substances 0.000 claims abstract description 41
- 238000004061 bleaching Methods 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 230000014759 maintenance of location Effects 0.000 claims abstract 2
- 238000010411 cooking Methods 0.000 claims description 72
- 238000010306 acid treatment Methods 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000002829 reductive effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 abstract description 3
- 239000001913 cellulose Substances 0.000 abstract description 3
- 230000003313 weakening effect Effects 0.000 abstract 1
- 235000014347 soups Nutrition 0.000 description 34
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 18
- 239000004155 Chlorine dioxide Substances 0.000 description 9
- 150000007513 acids Chemical class 0.000 description 9
- 235000019398 chlorine dioxide Nutrition 0.000 description 9
- 150000002978 peroxides Chemical class 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 230000005465 channeling Effects 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Substances OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 206010067484 Adverse reaction Diseases 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 235000011167 hydrochloric acid Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009226 pathological process of alzheimers disease Effects 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- -1 sulfuric Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229920001221 xylan Polymers 0.000 description 1
- 150000004823 xylans Chemical group 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI955878A FI105701B (fi) | 1995-10-20 | 1995-12-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
| FI960214A FI104574B (fi) | 1995-10-20 | 1996-01-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
| DE69613989T DE69613989D1 (de) | 1995-10-20 | 1996-10-18 | Hochtemperatur-säurebehandlung von zellstoff beim bleichen |
| US09/051,678 US6306253B2 (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature prior to chlorine dioxide bleaching |
| CA002235325A CA2235325C (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
| EP96934841A EP0856080B1 (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
| PT96934841T PT856080E (pt) | 1995-10-20 | 1996-10-18 | Tratamento acido da pasta de papel a alta temperatura em combinacao com o branqueamento |
| AT96934841T ATE203291T1 (de) | 1995-10-20 | 1996-10-18 | Hochtemperatur-säurebehandlung von zellstoff beim bleichen |
| AU73016/96A AU7301696A (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
| ES96934841T ES2158355T3 (es) | 1995-10-20 | 1996-10-18 | Tratamiento acido de la pasta de papel a alta temperatura en relacion con el blanqueo. |
| BR9611258A BR9611258A (pt) | 1995-10-20 | 1996-10-18 | Tratamento ácido de polpa a alta temperatura em conexão com alvejamento |
| PCT/FI1996/000552 WO1997015713A1 (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
| US09/793,652 US20010020521A1 (en) | 1995-10-20 | 2001-02-27 | Acid treatment of pulp at high temperature in connection with bleaching |
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI955007A FI102193B (fi) | 1995-10-20 | 1995-10-20 | Menetelmä ja laitteisto massan käsittelemiseksi |
| FI955007 | 1995-10-20 | ||
| SE9504147 | 1995-11-21 | ||
| SE9504147A SE516693C2 (sv) | 1995-10-20 | 1995-11-21 | Förfarande och apparatsystem för behandling av cellulosamassa med syra för sänkande av dess kappatal |
| FI955878A FI105701B (fi) | 1995-10-20 | 1995-12-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
| FI955878 | 1995-12-07 | ||
| FI960214A FI104574B (fi) | 1995-10-20 | 1996-01-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
| FI960214 | 1996-01-17 | ||
| PCT/FI1996/000552 WO1997015713A1 (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
| FI9600552 | 1996-10-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI955878A0 FI955878A0 (fi) | 1995-12-07 |
| FI955878A FI955878A (fi) | 1997-04-21 |
| FI105701B true FI105701B (fi) | 2000-09-29 |
Family
ID=27444250
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI955878A FI105701B (fi) | 1995-10-20 | 1995-12-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
| FI960214A FI104574B (fi) | 1995-10-20 | 1996-01-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI960214A FI104574B (fi) | 1995-10-20 | 1996-01-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US6306253B2 (pt) |
| EP (1) | EP0856080B1 (pt) |
| AT (1) | ATE203291T1 (pt) |
| AU (1) | AU7301696A (pt) |
| BR (1) | BR9611258A (pt) |
| CA (1) | CA2235325C (pt) |
| DE (1) | DE69613989D1 (pt) |
| ES (1) | ES2158355T3 (pt) |
| FI (2) | FI105701B (pt) |
| PT (1) | PT856080E (pt) |
| WO (1) | WO1997015713A1 (pt) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6235392B1 (en) | 1996-08-23 | 2001-05-22 | Weyerhaeuser Company | Lyocell fibers and process for their preparation |
| US6221487B1 (en) | 1996-08-23 | 2001-04-24 | The Weyerhauser Company | Lyocell fibers having enhanced CV properties |
| US6306334B1 (en) | 1996-08-23 | 2001-10-23 | The Weyerhaeuser Company | Process for melt blowing continuous lyocell fibers |
| US6331354B1 (en) | 1996-08-23 | 2001-12-18 | Weyerhaeuser Company | Alkaline pulp having low average degree of polymerization values and method of producing the same |
| US6605350B1 (en) | 1996-08-23 | 2003-08-12 | Weyerhaeuser Company | Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same |
| US6210801B1 (en) | 1996-08-23 | 2001-04-03 | Weyerhaeuser Company | Lyocell fibers, and compositions for making same |
| FI119383B (fi) * | 1998-03-06 | 2008-10-31 | Andritz Oy | Menetelmä massan käsittelemiseksi |
| BE1012675A6 (fr) * | 1999-05-11 | 2001-02-06 | Solvay | Procede de blanchiment de pate a papier. |
| US6686039B2 (en) | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell pulps |
| US6686040B2 (en) | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell products |
| US6685856B2 (en) | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell products method |
| US6797113B2 (en) | 1999-02-24 | 2004-09-28 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell pulps method |
| US20030131958A1 (en) * | 2001-11-30 | 2003-07-17 | Thomas Jaschinski | Use of ozone for increasing the wet strength of paper and nonwoven |
| GB2382592A (en) * | 2001-11-30 | 2003-06-04 | Sca Hygiene Prod Gmbh | Use of ozone to enhance the wet strength of fibrous cellulosic material |
| US20050051288A1 (en) * | 2003-09-09 | 2005-03-10 | Caifang Yin | Extended retention and medium consistency pulp treatment |
| US8262850B2 (en) * | 2003-09-23 | 2012-09-11 | International Paper Company | Chemical activation and refining of southern pine kraft fibers |
| SE526241C2 (sv) * | 2003-12-18 | 2005-08-02 | Metso Paper Inc | Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning |
| WO2005121442A1 (ja) * | 2004-06-08 | 2005-12-22 | Nippon Paper Industries Co., Ltd. | パルプの漂白方法 |
| CA2605706C (en) | 2005-05-02 | 2011-07-05 | International Paper Company | Ligno cellulosic materials and the products made therefrom |
| US7914776B2 (en) * | 2005-10-07 | 2011-03-29 | Adolor Corporation | Solid dispersions of opioid antagonists |
| EP1811080A1 (en) * | 2006-01-24 | 2007-07-25 | Solvay SA | Process for the bleaching of mechanical paper pulp |
| FI123102B (fi) | 2006-03-31 | 2012-11-15 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
| FI122626B (fi) | 2006-03-31 | 2012-04-30 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
| FR2910027B1 (fr) * | 2006-12-13 | 2009-11-06 | Itt Mfg Enterprises Inc | Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature |
| US20100101743A1 (en) * | 2007-02-21 | 2010-04-29 | Solvay (Societe Anonyme) | Process for the bleaching of paper pulp |
| US8262856B2 (en) * | 2007-06-18 | 2012-09-11 | Andritz Inc. | Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone |
| US9511167B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Modified cellulose from chemical kraft fiber and methods of making and using the same |
| BRPI1012052A2 (pt) | 2009-05-28 | 2017-12-26 | Gp Cellulose Gmbh | fibras kraft hidrolisadas e quimicamente modificadas e métodos de produção e de branqueamento de fibras kraft |
| US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
| US9512563B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Surface treated modified cellulose from chemical kraft fiber and methods of making and using same |
| BR112015019882A2 (pt) | 2013-03-14 | 2017-07-18 | Gp Cellulose Gmbh | fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios |
| BR112015020000A2 (pt) | 2013-03-15 | 2017-07-18 | Gp Cellulose Gmbh | fibra kraft quimicamente modificada e métodos de fabricação da mesma |
| EP3541849B1 (en) | 2016-11-16 | 2023-11-15 | GP Cellulose GmbH | Modified cellulose from chemical fiber and methods of making and using the same |
| BR112019019725A2 (pt) | 2017-03-21 | 2020-04-14 | Int Paper Co | composição de polpa de controle de odor |
| JP7229904B2 (ja) * | 2019-11-29 | 2023-02-28 | 東京エレクトロン株式会社 | プラズマ処理装置における載置台のクリーニング方法およびプラズマ処理装置 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE225253C1 (pt) | 1969-02-25 | |||
| GB1062734A (en) | 1963-03-21 | 1967-03-22 | Mo Och Domsjoe Ab | Improvements in or relating to bleaching cellulose pulp |
| US3507743A (en) | 1965-02-23 | 1970-04-21 | Fmc Corp | Bleaching of wood pulps with reductive bleaching agents and thiourea |
| US3992248A (en) | 1969-05-19 | 1976-11-16 | Stadler Hurter Limited | Continuous feeding system for treatment towers |
| NO152907C (no) * | 1983-06-29 | 1985-12-11 | Peterson & Son As M | Fremgangsmaate til delignifisering av kjemisk masse. |
| SE452345B (sv) | 1984-04-02 | 1987-11-23 | Kamyr Ab | Anordning for fordelning av suspension vid dess inforande i behandlingskerl |
| US5089089A (en) * | 1984-12-31 | 1992-02-18 | Bear Island Paper Company | System for sulfonating mechanical pulp fibers |
| US5034095A (en) | 1989-06-01 | 1991-07-23 | Oji Paper Co., Ltd. | Apparatus and process for the delignification of cellulose pulp |
| FR2655668B1 (fr) * | 1989-12-11 | 1995-06-09 | Du Pin Cellulose | Procede de blanchiment de pates cellulosiques chimiques. |
| 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 |
| US5372679A (en) | 1992-06-08 | 1994-12-13 | Air Products And Chemicals, Inc. | Reactor system for treating cellulosic pulp at a constant upward flow velocity |
| DE69306974T3 (de) | 1992-11-27 | 2004-01-08 | Eka Chemicals Ab | Verfahren zur deligrifizierung von lignocellulosehaltigem zellstoff |
| ATE184060T1 (de) * | 1993-04-20 | 1999-09-15 | Eka Chemicals Ab | Verfahren zum bleichen von lignozellulose- enthaltendem zellstoff |
| BE1007700A3 (fr) * | 1993-11-04 | 1995-10-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
| FI98839B (fi) | 1994-03-16 | 1997-05-15 | Ahlstrom Machinery Oy | Menetelmä massan valkaisemiseksi |
| US5438737A (en) * | 1994-04-14 | 1995-08-08 | National Molding Corporation | Snap closure type buckle with quick release |
| SE502135C2 (sv) | 1994-08-16 | 1995-08-28 | Kvaerner Pulping Tech | Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg |
| FI102301B (fi) * | 1994-10-13 | 1998-11-13 | Andritz Oy | Menetelmä selluloosamassojen käsittelemiseksi |
| CA2211223C (en) | 1995-02-17 | 2002-04-30 | Ahlstrom Machinery Oy | Method of pretreating pulp to be bleached with peroxide |
-
1995
- 1995-12-07 FI FI955878A patent/FI105701B/fi active
-
1996
- 1996-01-07 FI FI960214A patent/FI104574B/fi active
- 1996-10-18 AU AU73016/96A patent/AU7301696A/en not_active Abandoned
- 1996-10-18 WO PCT/FI1996/000552 patent/WO1997015713A1/en active IP Right Grant
- 1996-10-18 BR BR9611258A patent/BR9611258A/pt not_active IP Right Cessation
- 1996-10-18 AT AT96934841T patent/ATE203291T1/de active
- 1996-10-18 ES ES96934841T patent/ES2158355T3/es not_active Expired - Lifetime
- 1996-10-18 EP EP96934841A patent/EP0856080B1/en not_active Expired - Lifetime
- 1996-10-18 PT PT96934841T patent/PT856080E/pt unknown
- 1996-10-18 US US09/051,678 patent/US6306253B2/en not_active Expired - Lifetime
- 1996-10-18 CA CA002235325A patent/CA2235325C/en not_active Expired - Fee Related
- 1996-10-18 DE DE69613989T patent/DE69613989D1/de not_active Expired - Lifetime
-
2001
- 2001-02-27 US US09/793,652 patent/US20010020521A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2235325A1 (en) | 1997-05-01 |
| US20010004005A1 (en) | 2001-06-21 |
| DE69613989D1 (de) | 2001-08-23 |
| PT856080E (pt) | 2001-11-30 |
| BR9611258A (pt) | 1999-07-13 |
| FI955878A0 (fi) | 1995-12-07 |
| WO1997015713A1 (en) | 1997-05-01 |
| ES2158355T3 (es) | 2001-09-01 |
| FI955878A (fi) | 1997-04-21 |
| EP0856080B1 (en) | 2001-07-18 |
| CA2235325C (en) | 2006-02-14 |
| AU7301696A (en) | 1997-05-15 |
| FI104574B (fi) | 2000-02-29 |
| FI960214A0 (fi) | 1996-01-17 |
| ATE203291T1 (de) | 2001-08-15 |
| US6306253B2 (en) | 2001-10-23 |
| US20010020521A1 (en) | 2001-09-13 |
| FI960214A (fi) | 1997-04-21 |
| EP0856080A1 (en) | 1998-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GB | Transfer or assigment of application |
Owner name: AHLSTROM CORPORATION |
|
| RF | Appeal filed | ||
| FCK | Appeal rejected |