CA2337195C - Dispersion of fine porous inorganic oxide particles and processes for preparing same - Google Patents
Dispersion of fine porous inorganic oxide particles and processes for preparing same Download PDFInfo
- Publication number
- CA2337195C CA2337195C CA002337195A CA2337195A CA2337195C CA 2337195 C CA2337195 C CA 2337195C CA 002337195 A CA002337195 A CA 002337195A CA 2337195 A CA2337195 A CA 2337195A CA 2337195 C CA2337195 C CA 2337195C
- Authority
- CA
- Canada
- Prior art keywords
- dispersion
- particles
- silica
- inorganic oxide
- pore volume
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000002245 particle Substances 0.000 title claims abstract description 241
- 239000006185 dispersion Substances 0.000 title claims abstract description 237
- 229910052809 inorganic oxide Inorganic materials 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 37
- 230000008569 process Effects 0.000 title claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 242
- 239000011148 porous material Substances 0.000 claims abstract description 88
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 39
- 239000000741 silica gel Substances 0.000 claims abstract description 39
- 239000002002 slurry Substances 0.000 claims abstract description 37
- 238000003801 milling Methods 0.000 claims abstract description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000006228 supernatant Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000012467 final product Substances 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 238000002459 porosimetry Methods 0.000 claims abstract description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 85
- 239000000377 silicon dioxide Substances 0.000 claims description 84
- 239000007787 solid Substances 0.000 claims description 47
- 239000000047 product Substances 0.000 claims description 16
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 12
- 239000012736 aqueous medium Substances 0.000 claims description 4
- 239000010954 inorganic particle Substances 0.000 claims 1
- -1 e.g. Substances 0.000 abstract description 14
- 239000002270 dispersing agent Substances 0.000 abstract description 6
- 239000000499 gel Substances 0.000 description 53
- 239000000523 sample Substances 0.000 description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 37
- 238000000576 coating method Methods 0.000 description 35
- 229910001868 water Inorganic materials 0.000 description 31
- 239000012071 phase Substances 0.000 description 21
- 238000009826 distribution Methods 0.000 description 16
- 239000000123 paper Substances 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 13
- 238000011068 loading method Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 239000008119 colloidal silica Substances 0.000 description 10
- 239000000017 hydrogel Substances 0.000 description 10
- 239000011230 binding agent Substances 0.000 description 9
- 229920006267 polyester film Polymers 0.000 description 9
- 238000009472 formulation Methods 0.000 description 7
- 239000002609 medium Substances 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 239000003039 volatile agent Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 239000004964 aerogel Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 238000005119 centrifugation Methods 0.000 description 5
- 239000008199 coating composition Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000011164 primary particle Substances 0.000 description 5
- 239000012798 spherical particle Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 238000001238 wet grinding Methods 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004581 coalescence Methods 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000007863 gel particle Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000013074 reference sample Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 101100078144 Mus musculus Msrb1 gene Proteins 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000611 regression analysis Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XREXPQGDOPQPAH-QKUPJAQQSA-K trisodium;[(z)-18-[1,3-bis[[(z)-12-sulfonatooxyoctadec-9-enoyl]oxy]propan-2-yloxy]-18-oxooctadec-9-en-7-yl] sulfate Chemical compound [Na+].[Na+].[Na+].CCCCCCC(OS([O-])(=O)=O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O)COC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O XREXPQGDOPQPAH-QKUPJAQQSA-K 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 101100276976 Drosophila melanogaster Drak gene Proteins 0.000 description 1
- 101100370058 Escherichia coli (strain K12) tolC gene Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000490 cosmetic additive Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000551 dentifrice Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910002028 silica xerogel Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004627 transmission electron microscopy Methods 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/141—Preparation of hydrosols or aqueous dispersions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Colloid Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11241698A | 1998-07-09 | 1998-07-09 | |
| US09/112,416 | 1998-07-09 | ||
| US09/343,842 US6380265B1 (en) | 1998-07-09 | 1999-06-30 | Dispersion of fine porous inorganic oxide particles and processes for preparing same |
| US09/343,842 | 1999-06-30 | ||
| PCT/US1999/015301 WO2000002814A1 (en) | 1998-07-09 | 1999-07-07 | Dispersion of fine porous inorganic oxide particles and processes for preparing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2337195A1 CA2337195A1 (en) | 2000-01-20 |
| CA2337195C true CA2337195C (en) | 2009-09-08 |
Family
ID=26809928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002337195A Expired - Fee Related CA2337195C (en) | 1998-07-09 | 1999-07-07 | Dispersion of fine porous inorganic oxide particles and processes for preparing same |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JP4628544B2 (enExample) |
| CN (1) | CN1217857C (enExample) |
| AU (1) | AU773624B2 (enExample) |
| BR (1) | BR9911919B1 (enExample) |
| CA (1) | CA2337195C (enExample) |
| CZ (1) | CZ2001110A3 (enExample) |
| EA (1) | EA003200B1 (enExample) |
| PL (1) | PL202088B1 (enExample) |
| TR (1) | TR200100018T2 (enExample) |
| TW (1) | TW593143B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190092642A1 (en) * | 2017-09-25 | 2019-03-28 | The Sherwin-Williams Company | Room temperature cure zirconate-silica sol-gel pretreatment for metal substrates |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380265B1 (en) * | 1998-07-09 | 2002-04-30 | W. R. Grace & Co.-Conn. | Dispersion of fine porous inorganic oxide particles and processes for preparing same |
| US7985400B2 (en) * | 2004-01-26 | 2011-07-26 | Lummus Technology Inc. | Method for making mesoporous or combined mesoporous and microporous inorganic oxides |
| DE102004006113A1 (de) * | 2004-02-06 | 2005-08-25 | Basell Polyolefine Gmbh | Verfahren zur Herstellung von Trägern für Katalysatoren |
| JP4494466B2 (ja) | 2005-05-31 | 2010-06-30 | パナソニック株式会社 | 蛍光ランプ及びその製造方法、並びに照明装置 |
| KR102013251B1 (ko) * | 2012-06-05 | 2019-08-22 | 다우 글로벌 테크놀로지스 엘엘씨 | 안정성이 개선된 수성 코팅 조성물 |
| JP6596880B2 (ja) * | 2015-03-31 | 2019-10-30 | 大日本印刷株式会社 | 内装用塗料 |
| CN108883934A (zh) * | 2016-02-02 | 2018-11-23 | M技术株式会社 | 微粒分散液的精密改性方法 |
| GB201913817D0 (en) * | 2019-09-25 | 2019-11-06 | Johnson Matthey Plc | Process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816574C2 (de) * | 1978-04-17 | 1988-09-29 | Merck Patent Gmbh, 6100 Darmstadt | Fluoreszenz-Indikatoren zur Verwendung in der Chromatographie und diese enthaltende Sorptionsmittel |
| JPH05170424A (ja) * | 1991-12-24 | 1993-07-09 | Nittetsu Mining Co Ltd | シリカゾルの製造方法 |
| JP3454554B2 (ja) * | 1993-12-28 | 2003-10-06 | 水澤化学工業株式会社 | 非晶質シリカ粒状体及びその製法 |
| JP3719686B2 (ja) * | 1995-07-13 | 2005-11-24 | 東ソー・シリカ株式会社 | 濾過剤用シリカゲル |
-
1999
- 1999-07-07 CZ CZ2001110A patent/CZ2001110A3/cs unknown
- 1999-07-07 CA CA002337195A patent/CA2337195C/en not_active Expired - Fee Related
- 1999-07-07 EA EA200100123A patent/EA003200B1/ru not_active IP Right Cessation
- 1999-07-07 PL PL346122A patent/PL202088B1/pl unknown
- 1999-07-07 JP JP2000559049A patent/JP4628544B2/ja not_active Expired - Lifetime
- 1999-07-07 BR BRPI9911919-6A patent/BR9911919B1/pt not_active IP Right Cessation
- 1999-07-07 AU AU52086/99A patent/AU773624B2/en not_active Expired
- 1999-07-07 CN CN998122831A patent/CN1217857C/zh not_active Expired - Lifetime
- 1999-07-07 TR TR2001/00018T patent/TR200100018T2/xx unknown
- 1999-07-19 TW TW088111587A patent/TW593143B/zh not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190092642A1 (en) * | 2017-09-25 | 2019-03-28 | The Sherwin-Williams Company | Room temperature cure zirconate-silica sol-gel pretreatment for metal substrates |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4628544B2 (ja) | 2011-02-09 |
| AU5208699A (en) | 2000-02-01 |
| EA200100123A1 (ru) | 2001-08-27 |
| CN1217857C (zh) | 2005-09-07 |
| CZ2001110A3 (cs) | 2002-05-15 |
| TW593143B (en) | 2004-06-21 |
| CN1323277A (zh) | 2001-11-21 |
| EA003200B1 (ru) | 2003-02-27 |
| JP2004513049A (ja) | 2004-04-30 |
| BR9911919B1 (pt) | 2009-01-13 |
| TR200100018T2 (tr) | 2002-01-21 |
| PL346122A1 (en) | 2002-01-28 |
| PL202088B1 (pl) | 2009-05-29 |
| CA2337195A1 (en) | 2000-01-20 |
| AU773624B2 (en) | 2004-05-27 |
| BR9911919A (pt) | 2001-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |