JPH0527650B2 - - Google Patents
Info
- Publication number
- JPH0527650B2 JPH0527650B2 JP60047594A JP4759485A JPH0527650B2 JP H0527650 B2 JPH0527650 B2 JP H0527650B2 JP 60047594 A JP60047594 A JP 60047594A JP 4759485 A JP4759485 A JP 4759485A JP H0527650 B2 JPH0527650 B2 JP H0527650B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- polymer
- dispersing
- particles
- air
- 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 - Lifetime
Links
- 229920000642 polymer Polymers 0.000 claims description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 107
- 239000002245 particle Substances 0.000 claims description 75
- 239000006185 dispersion Substances 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 17
- 229920003169 water-soluble polymer Polymers 0.000 claims description 9
- 238000005054 agglomeration Methods 0.000 claims description 6
- 230000002776 aggregation Effects 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000004815 dispersion polymer Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims 1
- 230000008520 organization Effects 0.000 claims 1
- 239000011236 particulate material Substances 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- 239000003570 air Substances 0.000 description 41
- 238000004090 dissolution Methods 0.000 description 11
- 239000007787 solid Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003995 emulsifying agent Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000005549 size reduction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229920000926 Galactomannan Polymers 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920000161 Locust bean gum Polymers 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 235000010420 locust bean gum Nutrition 0.000 description 1
- 239000000711 locust bean gum Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- DYUWTXWIYMHBQS-UHFFFAOYSA-N n-prop-2-enylprop-2-en-1-amine Chemical compound C=CCNCC=C DYUWTXWIYMHBQS-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008400 supply water Substances 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
- 238000005406 washing Methods 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/54—Mixing liquids with solids wetting solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/80—Falling particle mixers, e.g. with repeated agitation along a vertical axis
- B01F25/85—Falling particle mixers, e.g. with repeated agitation along a vertical axis wherein the particles fall onto a film that flows along the inner wall of a mixer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/10—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US588793 | 1984-03-12 | ||
| US06/588,793 US4603156A (en) | 1984-03-12 | 1984-03-12 | Method of dispersing dry, water-soluble polymers in water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6157624A JPS6157624A (ja) | 1986-03-24 |
| JPH0527650B2 true JPH0527650B2 (US07935154-20110503-C00006.png) | 1993-04-21 |
Family
ID=24355323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60047594A Granted JPS6157624A (ja) | 1984-03-12 | 1985-03-12 | 乾燥ポリマ−の水への分散方法及び装置 |
Country Status (11)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4529794A (en) * | 1984-03-29 | 1985-07-16 | Diatec Polymers | Method of rapidly dissolving polymers in water |
| US4845192A (en) * | 1984-03-29 | 1989-07-04 | Diatec Polymers | Method of rapidly dissolving polymer gels in water |
| US4778280A (en) * | 1986-06-25 | 1988-10-18 | Stranco, Inc. | Mixing apparatus |
| GB2211433B (en) * | 1987-10-27 | 1991-10-16 | Balfour Mfg | Mixing method |
| GB8902883D0 (en) * | 1989-02-09 | 1989-03-30 | North West Water Authority | Improvements in or relating to mixing devices |
| DE4132066A1 (de) * | 1990-09-27 | 1992-04-02 | Dennis G Pardikes | Mischvorrichtung fuer trockene polymere und elektrolyte |
| US5161887A (en) * | 1991-10-04 | 1992-11-10 | Jeffrey Goldberg | Process for producing an aqueous solution of difficult-to-dissolve, fine particle size particulate material |
| US5328261A (en) * | 1993-10-04 | 1994-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for dissolving powder in a liquid |
| EP0760382A3 (en) * | 1995-09-01 | 1997-09-10 | Dennis G Pardikes | System for processing dry polymers |
| US5599101A (en) * | 1995-09-01 | 1997-02-04 | Pardikes; Dennis G. | Dry polymer processing system |
| US6642351B1 (en) | 2000-06-26 | 2003-11-04 | Cytec Technology Corp. | Dispersal of polyacrylamides |
| FR2922214B1 (fr) | 2007-10-12 | 2010-03-12 | Spcm Sa | Dispositif pour la dispersion dans l'eau de polymeres hydrosolubles, et procede mettant en oeuvre le dispositif |
| FR2922123B1 (fr) * | 2007-10-12 | 2010-03-12 | Spcm Sa | Installation pour la floculation de boues chargees de matieres en suspension, procede mettant en oeuvre l'installation |
| CN102256696B (zh) * | 2008-12-16 | 2016-06-08 | Hrd有限公司 | 蜡的高剪切氧化 |
| US20160287477A1 (en) * | 2015-04-03 | 2016-10-06 | Keith KATZ | Medication-dispensing device |
| US10406530B2 (en) | 2015-07-23 | 2019-09-10 | Urschel Laboratories, Inc. | Material processing machines and methods of use |
| US9751093B2 (en) * | 2015-10-16 | 2017-09-05 | Cimarron Land & Cattle Company, LLC | Effluent treatment system |
| FR3063229B1 (fr) * | 2017-02-24 | 2021-10-15 | Snf Sas | Equipement pour dissoudre des polymeres hydrosolubles ou hydrogonflants dans une solution aqueuse et utilisation de l'equipement |
| US10213753B2 (en) * | 2017-03-16 | 2019-02-26 | UGSI Chemical Feed, Inc. | High-capacity polymer system and method of preparing polymeric mixtures |
| CN107413238B (zh) * | 2017-07-31 | 2020-07-14 | 蒙城县金冠面粉有限责任公司 | 粉料加湿器及粉料加湿方法 |
| US10737226B2 (en) | 2018-10-26 | 2020-08-11 | David O. Trahan | High efficiency powder dispersion and blend system and method for use in well completion operations |
| FR3129606B1 (fr) * | 2021-11-29 | 2023-10-27 | Snf Sa | Dispositif de dispersion de polymeres hydrosolubles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4897152A (US07935154-20110503-C00006.png) * | 1972-03-24 | 1973-12-11 | ||
| JPS4930630A (US07935154-20110503-C00006.png) * | 1972-07-22 | 1974-03-19 | ||
| JPS5381548A (en) * | 1976-12-09 | 1978-07-19 | Toyobo Co Ltd | Process for continuous dissolution of high-molecular powder |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US28576A (en) * | 1860-06-05 | Vines Harwell | Improvement in cultivators | |
| US28474A (en) * | 1860-05-29 | Samuel Hall | Coupling for shafting | |
| NL55853C (nl) * | 1937-09-22 | 1944-02-15 | Scholten Chemische Fab | Inrichting voor het oplossen van vaste stoffen (bij voorkeur colloidaal oplossende stoffen) door ze op een vloeistoffilm te laten vallen |
| NL133871C (US07935154-20110503-C00006.png) * | 1966-03-22 | |||
| US3852191A (en) * | 1971-04-23 | 1974-12-03 | Supraton Bruchmann & Zucker Kg | Process and apparatus for the production of a dispersion or solution from comminuted solid substances and a dispersion medium or solvent |
| IE47019B1 (en) * | 1977-07-12 | 1983-11-30 | Blue Circle Ind Ltd | Producing dispersions of polymeric material and preflocculated fillers for use in papermaking |
| US4113688A (en) * | 1977-12-14 | 1978-09-12 | Hercules Incorporated | Process for rapidly dissolving gels of water-soluble polymers by extrusion, cutting and then slurrying under high shearing forces |
| DE2935007C2 (de) * | 1979-08-30 | 1985-02-21 | Wachter Kg Hindelang Baustoffwerk Bautechnik, 8973 Hindelang | Vorrichtung zum kontinuierlichen Herstellen und Fördern von Putzmörtel o.dgl. |
| DE3228843C2 (de) * | 1982-08-02 | 1984-11-29 | Chemische Fabrik Stockhausen GmbH, 4150 Krefeld | Verfahren zum schnellen Auflösen von wasserlöslichen Polymeren |
| US4499214A (en) * | 1983-05-03 | 1985-02-12 | Diachem Industries, Inc. | Method of rapidly dissolving polymers in water |
| US4529794A (en) * | 1984-03-29 | 1985-07-16 | Diatec Polymers | Method of rapidly dissolving polymers in water |
-
1984
- 1984-03-12 US US06/588,793 patent/US4603156A/en not_active Expired - Fee Related
-
1985
- 1985-01-18 CA CA000472447A patent/CA1243249A/en not_active Expired
- 1985-02-26 ZA ZA851452A patent/ZA851452B/xx unknown
- 1985-03-11 NO NO850949A patent/NO850949L/no unknown
- 1985-03-11 FI FI850953A patent/FI850953L/fi not_active Application Discontinuation
- 1985-03-11 AU AU39706/85A patent/AU564212B2/en not_active Ceased
- 1985-03-12 EP EP85102831A patent/EP0154978B1/en not_active Expired
- 1985-03-12 DE DE8585102831T patent/DE3574943D1/de not_active Expired - Lifetime
- 1985-03-12 JP JP60047594A patent/JPS6157624A/ja active Granted
- 1985-03-12 ES ES541183A patent/ES541183A0/es active Granted
- 1985-03-12 BR BR8501088A patent/BR8501088A/pt unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4897152A (US07935154-20110503-C00006.png) * | 1972-03-24 | 1973-12-11 | ||
| JPS4930630A (US07935154-20110503-C00006.png) * | 1972-07-22 | 1974-03-19 | ||
| JPS5381548A (en) * | 1976-12-09 | 1978-07-19 | Toyobo Co Ltd | Process for continuous dissolution of high-molecular powder |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA851452B (en) | 1985-10-30 |
| AU3970685A (en) | 1985-09-19 |
| BR8501088A (pt) | 1985-11-05 |
| DE3574943D1 (de) | 1990-02-01 |
| NO850949L (no) | 1985-09-13 |
| EP0154978A3 (en) | 1987-06-10 |
| ES8603295A1 (es) | 1985-12-16 |
| EP0154978A2 (en) | 1985-09-18 |
| JPS6157624A (ja) | 1986-03-24 |
| US4603156A (en) | 1986-07-29 |
| AU564212B2 (en) | 1987-08-06 |
| FI850953L (fi) | 1985-09-13 |
| CA1243249A (en) | 1988-10-18 |
| ES541183A0 (es) | 1985-12-16 |
| EP0154978B1 (en) | 1989-12-27 |
| FI850953A0 (fi) | 1985-03-11 |
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