NZ526331A - Improved kraft pulp yield by heat treatment of polysulphide liquors generated by oxidation - Google Patents
Improved kraft pulp yield by heat treatment of polysulphide liquors generated by oxidationInfo
- Publication number
- NZ526331A NZ526331A NZ526331A NZ52633102A NZ526331A NZ 526331 A NZ526331 A NZ 526331A NZ 526331 A NZ526331 A NZ 526331A NZ 52633102 A NZ52633102 A NZ 52633102A NZ 526331 A NZ526331 A NZ 526331A
- Authority
- NZ
- New Zealand
- Prior art keywords
- white liquor
- psgr
- liquor
- psuv
- polysulphide
- Prior art date
Links
- 229920001021 polysulfide Polymers 0.000 title claims description 130
- 238000010438 heat treatment Methods 0.000 title claims description 38
- 238000007254 oxidation reaction Methods 0.000 title claims description 36
- 230000003647 oxidation Effects 0.000 title claims description 34
- 239000002655 kraft paper Substances 0.000 title claims description 18
- 238000000034 method Methods 0.000 claims abstract description 79
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 55
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 43
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 43
- 239000004571 lime Substances 0.000 claims abstract description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 13
- 101150112468 OR51E2 gene Proteins 0.000 claims description 104
- 230000001590 oxidative effect Effects 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 238000004537 pulping Methods 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 13
- 238000009993 causticizing Methods 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 101000721757 Homo sapiens Olfactory receptor 51E2 Proteins 0.000 abstract description 12
- 102100025128 Olfactory receptor 51E2 Human genes 0.000 abstract description 12
- 238000000892 gravimetry Methods 0.000 description 16
- 239000002023 wood Substances 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 12
- 238000003860 storage Methods 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000010411 cooking Methods 0.000 description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 8
- 239000005864 Sulphur Substances 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 7
- 230000004913 activation Effects 0.000 description 5
- 235000014633 carbohydrates Nutrition 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007669 thermal treatment Methods 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000004676 glycans Polymers 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011122 softwood Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 102100030386 Granzyme A Human genes 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 2
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 240000009002 Picea mariana Species 0.000 description 2
- 235000017997 Picea mariana var. mariana Nutrition 0.000 description 2
- 235000018000 Picea mariana var. semiprostrata Nutrition 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 125000003172 aldehyde group Chemical group 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 235000019988 mead Nutrition 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- HEDOODBJFVUQMS-UHFFFAOYSA-N n-[2-(5-methoxy-1h-indol-3-yl)ethyl]-n-methylpropan-2-amine Chemical compound COC1=CC=C2NC=C(CCN(C)C(C)C)C2=C1 HEDOODBJFVUQMS-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- 235000005638 Austrian pine Nutrition 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 229930194542 Keto Natural products 0.000 description 1
- 235000008565 Pinus banksiana Nutrition 0.000 description 1
- 235000013264 Pinus jeffreyi Nutrition 0.000 description 1
- 244000019397 Pinus jeffreyi Species 0.000 description 1
- 235000008578 Pinus strobus Nutrition 0.000 description 1
- 235000008566 Pinus taeda Nutrition 0.000 description 1
- 241000218679 Pinus taeda Species 0.000 description 1
- 235000008585 Pinus thunbergii Nutrition 0.000 description 1
- 235000014030 Podocarpus spicatus Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 240000004885 Quercus rubra Species 0.000 description 1
- 235000009135 Quercus rubra Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant 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
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 150000004804 polysaccharides Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000003265 pulping liquor Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000017985 rocky mountain lodgepole pine Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
Landscapes
- Paper (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Alcoholic Beverages (AREA)
- Removal Of Specific Substances (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26351901P | 2001-01-24 | 2001-01-24 | |
| PCT/CA2002/000078 WO2002059417A2 (en) | 2001-01-24 | 2002-01-23 | Heat treatment of polysulphide containing white liquors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ526331A true NZ526331A (en) | 2004-09-24 |
Family
ID=23002095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ526331A NZ526331A (en) | 2001-01-24 | 2002-01-23 | Improved kraft pulp yield by heat treatment of polysulphide liquors generated by oxidation |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US20020144794A1 (de) |
| EP (1) | EP1356156B1 (de) |
| JP (1) | JP2004517231A (de) |
| CN (1) | CN1253631C (de) |
| AT (1) | ATE364104T1 (de) |
| AU (1) | AU2002227826B2 (de) |
| BR (1) | BR0206238B1 (de) |
| CA (1) | CA2430389C (de) |
| DE (1) | DE60220501D1 (de) |
| ES (1) | ES2287253T3 (de) |
| NO (1) | NO334374B1 (de) |
| NZ (1) | NZ526331A (de) |
| PT (1) | PT1356156E (de) |
| RU (1) | RU2289645C2 (de) |
| WO (1) | WO2002059417A2 (de) |
| ZA (1) | ZA200304338B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7867360B2 (en) * | 2004-07-13 | 2011-01-11 | Fpinnovations | Generation of active polysulphide with manganese and bismuth catalysts |
| JP4461000B2 (ja) * | 2004-11-25 | 2010-05-12 | 本田技研工業株式会社 | 等速ジョイント用グリース組成物及び等速ジョイント |
| RU2361026C1 (ru) * | 2008-04-07 | 2009-07-10 | Эдуард Львович Аким | Способ приготовления раствора для полисульфидной варки древесины |
| JP5822349B2 (ja) * | 2011-12-02 | 2015-11-24 | 公立大学法人首都大学東京 | 有機硫黄化合物の酸化触媒 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3470061A (en) * | 1967-03-03 | 1969-09-30 | Union Camp Corp | Sodium polysulfide pulping process and regeneration |
| US4024229A (en) * | 1970-11-06 | 1977-05-17 | The Mead Corporation | Production of polysulfide with PTFE coated catalyst |
| US5082526A (en) * | 1989-01-23 | 1992-01-21 | Pulp And Paper Research Institute Of Canada | Process of producing kraft pulping liquor by the oxidation of white liquor in the presence of lime mud |
| SE503605C2 (sv) * | 1992-01-09 | 1996-07-15 | Svenska Traeforskningsinst | Analysförfarande med UV-absorptionsmätning |
| RU2058188C1 (ru) * | 1993-06-17 | 1996-04-20 | Частное индивидуальное научно-производственное предприятие "Катализ" | Катализатор окисления сульфидной серы белого щелока |
| WO1997042372A1 (en) * | 1996-05-03 | 1997-11-13 | Quantum Technologies, Inc. | Method and apparatus for making polysulfides by oxidizing sulfides |
| US6339222B1 (en) * | 1998-11-12 | 2002-01-15 | Kvaerner Canada Inc. | Determination of ionic species concentration by near infrared spectroscopy |
-
2002
- 2002-01-23 RU RU2003124071/12A patent/RU2289645C2/ru not_active IP Right Cessation
- 2002-01-23 CA CA002430389A patent/CA2430389C/en not_active Expired - Fee Related
- 2002-01-23 EP EP02709938A patent/EP1356156B1/de not_active Revoked
- 2002-01-23 DE DE60220501T patent/DE60220501D1/de not_active Expired - Lifetime
- 2002-01-23 US US10/053,408 patent/US20020144794A1/en not_active Abandoned
- 2002-01-23 AU AU2002227826A patent/AU2002227826B2/en not_active Ceased
- 2002-01-23 AT AT02709938T patent/ATE364104T1/de not_active IP Right Cessation
- 2002-01-23 ES ES02709938T patent/ES2287253T3/es not_active Expired - Lifetime
- 2002-01-23 CN CNB028034147A patent/CN1253631C/zh not_active Expired - Fee Related
- 2002-01-23 NZ NZ526331A patent/NZ526331A/en not_active IP Right Cessation
- 2002-01-23 PT PT02709938T patent/PT1356156E/pt unknown
- 2002-01-23 JP JP2002559895A patent/JP2004517231A/ja active Pending
- 2002-01-23 BR BRPI0206238-0A patent/BR0206238B1/pt not_active IP Right Cessation
- 2002-01-23 WO PCT/CA2002/000078 patent/WO2002059417A2/en not_active Ceased
-
2003
- 2003-06-23 ZA ZA200304338A patent/ZA200304338B/en unknown
- 2003-07-15 NO NO20033200A patent/NO334374B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| PT1356156E (pt) | 2007-06-22 |
| EP1356156A2 (de) | 2003-10-29 |
| RU2003124071A (ru) | 2005-02-27 |
| CN1484721A (zh) | 2004-03-24 |
| WO2002059417A2 (en) | 2002-08-01 |
| CA2430389A1 (en) | 2002-08-01 |
| ZA200304338B (en) | 2004-06-23 |
| BR0206238B1 (pt) | 2014-11-18 |
| NO20033200D0 (no) | 2003-07-15 |
| JP2004517231A (ja) | 2004-06-10 |
| EP1356156B1 (de) | 2007-06-06 |
| DE60220501D1 (de) | 2007-07-19 |
| CN1253631C (zh) | 2006-04-26 |
| US20020144794A1 (en) | 2002-10-10 |
| ATE364104T1 (de) | 2007-06-15 |
| CA2430389C (en) | 2007-09-25 |
| NO20033200L (no) | 2003-07-15 |
| ES2287253T3 (es) | 2007-12-16 |
| NO334374B1 (no) | 2014-02-17 |
| AU2002227826B2 (en) | 2006-09-07 |
| WO2002059417A3 (en) | 2003-04-10 |
| RU2289645C2 (ru) | 2006-12-20 |
| BR0206238A (pt) | 2003-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PSEA | Patent sealed | ||
| RENW | Renewal (renewal fees accepted) | ||
| ASS | Change of ownership |
Owner name: FPINNOVATIONS, CA Free format text: OLD OWNER(S): PULP AND PAPER RESEARCH INSTITUTE OF CANADA |
|
| RENW | Renewal (renewal fees accepted) | ||
| RENW | Renewal (renewal fees accepted) | ||
| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 7 YEARS UNTIL 23 JAN 2022 BY AJ PARK Effective date: 20140808 |
|
| EXPY | Patent expired |