NO324301B1 - Hydrofile dispersjons-polymerer for papiranvendelser - Google Patents
Hydrofile dispersjons-polymerer for papiranvendelser Download PDFInfo
- Publication number
- NO324301B1 NO324301B1 NO19974381A NO974381A NO324301B1 NO 324301 B1 NO324301 B1 NO 324301B1 NO 19974381 A NO19974381 A NO 19974381A NO 974381 A NO974381 A NO 974381A NO 324301 B1 NO324301 B1 NO 324301B1
- Authority
- NO
- Norway
- Prior art keywords
- polymer
- dispersion
- group
- mol
- retention
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title abstract description 95
- 239000006185 dispersion Substances 0.000 title description 79
- 230000014759 maintenance of location Effects 0.000 claims abstract description 43
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000178 monomer Substances 0.000 claims abstract description 17
- 239000004815 dispersion polymer Substances 0.000 claims abstract description 16
- 125000002091 cationic group Chemical group 0.000 claims abstract description 12
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 9
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims abstract description 3
- 150000001768 cations Chemical class 0.000 claims abstract description 3
- 229920003169 water-soluble polymer Polymers 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 33
- 229920001577 copolymer Polymers 0.000 claims description 20
- 239000000701 coagulant Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 229920002472 Starch Polymers 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- WQHCGPGATAYRLN-UHFFFAOYSA-N chloromethane;2-(dimethylamino)ethyl prop-2-enoate Chemical group ClC.CN(C)CCOC(=O)C=C WQHCGPGATAYRLN-UHFFFAOYSA-N 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 2
- DOKHEARVIDLSFF-UHFFFAOYSA-N prop-1-en-1-ol Chemical group CC=CO DOKHEARVIDLSFF-UHFFFAOYSA-N 0.000 claims description 2
- 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 1
- 238000001035 drying Methods 0.000 claims 1
- 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 abstract description 3
- -1 anionic salt Chemical class 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 47
- 230000000694 effects Effects 0.000 description 29
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 24
- 239000000123 paper Substances 0.000 description 17
- 239000004816 latex Substances 0.000 description 14
- 229920000126 latex Polymers 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- CCTFAOUOYLVUFG-UHFFFAOYSA-N 2-(1-amino-1-imino-2-methylpropan-2-yl)azo-2-methylpropanimidamide Chemical compound NC(=N)C(C)(C)N=NC(C)(C)C(N)=N CCTFAOUOYLVUFG-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 5
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 5
- 235000011130 ammonium sulphate Nutrition 0.000 description 5
- 239000008394 flocculating agent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 229920006317 cationic polymer Polymers 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012764 mineral filler Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 102000011045 Chloride Channels Human genes 0.000 description 2
- 108010062745 Chloride Channels Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 229940050176 methyl chloride Drugs 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004908 Emulsion polymer Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- CEJFYGPXPSZIID-UHFFFAOYSA-N chloromethylbenzene;2-(dimethylamino)ethyl prop-2-enoate Chemical group ClCC1=CC=CC=C1.CN(C)CCOC(=O)C=C CEJFYGPXPSZIID-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 239000012224 working solution Substances 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
-
- 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
-
- 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
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- 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
- D21H17/20—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
- D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
-
- 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
- D21H17/66—Salts, e.g. alums
Landscapes
- Paper (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71928396A | 1996-09-24 | 1996-09-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO974381D0 NO974381D0 (no) | 1997-09-23 |
| NO974381L NO974381L (no) | 1998-03-25 |
| NO324301B1 true NO324301B1 (no) | 2007-09-17 |
Family
ID=24889470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19974381A NO324301B1 (no) | 1996-09-24 | 1997-09-23 | Hydrofile dispersjons-polymerer for papiranvendelser |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0831177B1 (fr) |
| AU (1) | AU3918297A (fr) |
| BR (1) | BR9704862A (fr) |
| CA (1) | CA2216242C (fr) |
| DE (1) | DE69737945T2 (fr) |
| ES (1) | ES2290960T3 (fr) |
| ID (1) | ID18321A (fr) |
| MY (1) | MY136998A (fr) |
| NO (1) | NO324301B1 (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6310124B1 (en) | 1996-10-03 | 2001-10-30 | Cytec Technology, Corp. | Aqueous dispersions |
| US6235205B1 (en) | 1996-10-03 | 2001-05-22 | Cytec Technology Corp. | Aqueous dispersions |
| US6162328A (en) * | 1997-09-30 | 2000-12-19 | Hercules Incorporated | Method for surface sizing paper with cellulose reactive and cellulose non-reactive sizes, and paper prepared thereby |
| US6262168B1 (en) | 1998-03-11 | 2001-07-17 | Cytec Technology Corp. | Aqueous dispersions |
| US6036868A (en) * | 1998-07-23 | 2000-03-14 | Nalco Chemical Company | Use of hydrophilic dispersion polymers for oily wastewater clarification |
| AU766846B2 (en) * | 1999-01-15 | 2003-10-23 | Nalco Chemical Company | Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids |
| DE10061483A1 (de) † | 2000-12-08 | 2002-06-13 | Stockhausen Chem Fab Gmbh | Verfahren zur Herstellung von Wasser-in-Wasser-Polymerdispersionen |
| US7091273B2 (en) | 2002-05-07 | 2006-08-15 | Akzo Nobel N.V. | Process for preparing a polymer dispersion |
| US8299183B2 (en) | 2004-12-28 | 2012-10-30 | Akzo Nobel N.V. | Polymer dispersion and process for preparing a polymer dispersion |
| DE102022114642A1 (de) | 2022-06-10 | 2023-12-21 | Solenis Technologies Cayman, L.P. | Polymerdispersionen mit hohem molekulargewicht, hergestellt unter kontrollierten adiabatischen bedingungen |
| DE102022114644A1 (de) | 2022-06-10 | 2023-12-21 | Solenis Technologies Cayman, L.P. | Hochmolekulare polymerdispersionen mit metallfängern |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3327600A1 (de) * | 1983-07-30 | 1985-02-14 | Sandoz-Patent-GmbH, 7850 Lörrach | Copolymerisat- und tensidhaltige praeparate, deren herstellung und verwendung |
| US4795531A (en) * | 1987-09-22 | 1989-01-03 | Nalco Chemical Company | Method for dewatering paper |
| JP3113698B2 (ja) * | 1991-06-01 | 2000-12-04 | 住友精化株式会社 | 水溶性カチオン系重合体の製造方法 |
| JPH0532722A (ja) * | 1991-07-30 | 1993-02-09 | Hymo Corp | カチオン性水溶性重合体分散液の製造方法 |
| US5891304A (en) * | 1996-07-22 | 1999-04-06 | Nalco Chemical Company | Use of hydrophilic dispersion polymers for coated broke treatment |
-
1997
- 1997-09-23 NO NO19974381A patent/NO324301B1/no not_active IP Right Cessation
- 1997-09-23 AU AU39182/97A patent/AU3918297A/en not_active Abandoned
- 1997-09-23 CA CA 2216242 patent/CA2216242C/fr not_active Expired - Fee Related
- 1997-09-23 ES ES97116538T patent/ES2290960T3/es not_active Expired - Lifetime
- 1997-09-23 MY MYPI9704423 patent/MY136998A/en unknown
- 1997-09-23 DE DE69737945T patent/DE69737945T2/de not_active Revoked
- 1997-09-23 EP EP97116538A patent/EP0831177B1/fr not_active Revoked
- 1997-09-23 ID IDP973261A patent/ID18321A/id unknown
- 1997-09-24 BR BR9704862A patent/BR9704862A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0831177A2 (fr) | 1998-03-25 |
| CA2216242C (fr) | 2006-03-14 |
| NO974381D0 (no) | 1997-09-23 |
| ES2290960T3 (es) | 2008-02-16 |
| ID18321A (id) | 1998-03-26 |
| EP0831177A3 (fr) | 2000-01-05 |
| MX9707246A (es) | 1998-08-30 |
| DE69737945T2 (de) | 2007-12-06 |
| AU3918297A (en) | 1998-03-26 |
| DE69737945D1 (de) | 2007-09-06 |
| CA2216242A1 (fr) | 1998-03-24 |
| MY136998A (en) | 2008-12-31 |
| BR9704862A (pt) | 1999-01-19 |
| EP0831177B1 (fr) | 2007-07-25 |
| NO974381L (no) | 1998-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |