NO792432L - Fremgangsmaate for fremstilling av flokkuleringsmidler - Google Patents
Fremgangsmaate for fremstilling av flokkuleringsmidlerInfo
- Publication number
- NO792432L NO792432L NO792432A NO792432A NO792432L NO 792432 L NO792432 L NO 792432L NO 792432 A NO792432 A NO 792432A NO 792432 A NO792432 A NO 792432A NO 792432 L NO792432 L NO 792432L
- Authority
- NO
- Norway
- Prior art keywords
- column
- solution
- monomers
- stated
- irradiation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 24
- 239000008394 flocculating agent Substances 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title description 3
- 239000000178 monomer Substances 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 48
- 239000000243 solution Substances 0.000 claims description 41
- 238000011049 filling Methods 0.000 claims description 29
- 239000007864 aqueous solution Substances 0.000 claims description 26
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 13
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims description 3
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 3
- 150000003973 alkyl amines Chemical class 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 150000001253 acrylic acids Chemical class 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 125000005395 methacrylic acid group Chemical class 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000006116 polymerization reaction Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- -1 dialkyl-aminoalkyl methacrylates Chemical class 0.000 description 6
- 230000002028 premature Effects 0.000 description 6
- 239000012071 phase Substances 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 1
- VMSBGXAJJLPWKV-UHFFFAOYSA-N 2-ethenylbenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1C=C VMSBGXAJJLPWKV-UHFFFAOYSA-N 0.000 description 1
- VJOWMORERYNYON-UHFFFAOYSA-N 5-ethenyl-2-methylpyridine Chemical compound CC1=CC=C(C=C)C=N1 VJOWMORERYNYON-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-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
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 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 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- WURBFLDFSFBTLW-UHFFFAOYSA-N benzil Chemical group C=1C=CC=CC=1C(=O)C(=O)C1=CC=CC=C1 WURBFLDFSFBTLW-UHFFFAOYSA-N 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 150000003333 secondary alcohols Chemical group 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2321—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by moving liquid and gas in counter current
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2322—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles using columns, e.g. multi-staged columns
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
- B01F23/237612—Oxygen
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23765—Nitrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/20—Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
- H01J2237/2001—Maintaining constant desired temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/20—Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
- H01J2237/2002—Controlling environment of sample
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/26—Electron or ion microscopes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymerisation Methods In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7822883A FR2431876A2 (fr) | 1978-07-24 | 1978-07-24 | Procede de preparation de solutions aqueuses de monomeres olefiniques en vue d'une photopolymerisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO792432L true NO792432L (no) | 1980-01-25 |
Family
ID=9211509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO792432A NO792432L (no) | 1978-07-24 | 1979-07-23 | Fremgangsmaate for fremstilling av flokkuleringsmidler |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4294676A (fr) |
| EP (1) | EP0008246A1 (fr) |
| JP (1) | JPS584687B2 (fr) |
| AT (1) | AT369391B (fr) |
| AU (1) | AU532382B2 (fr) |
| BR (1) | BR7904697A (fr) |
| CA (1) | CA1123375A (fr) |
| DK (1) | DK309279A (fr) |
| ES (1) | ES482758A1 (fr) |
| FI (1) | FI65267C (fr) |
| FR (1) | FR2431876A2 (fr) |
| HU (1) | HU182660B (fr) |
| NO (1) | NO792432L (fr) |
| RO (1) | RO78872B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508687A (en) * | 1983-06-20 | 1985-04-02 | Houghton Richard W | Degassing/brine tank for pool chlorinating system |
| US5358611A (en) * | 1993-05-17 | 1994-10-25 | Rohm And Haas Company | Method of reducing impurities in aqueous monomer solutions |
| EP1077079B1 (fr) * | 1999-08-18 | 2014-05-21 | Tsukishima Kankyo Engineering Ltd. | Colonne de contact liquide-vapeur et son utilisation |
| US7485672B2 (en) * | 2001-08-02 | 2009-02-03 | Johnson & Johnson Vision Care, Inc. | Process for the synthesis of soluble, high molecular weight polymers |
| US7879267B2 (en) | 2001-08-02 | 2011-02-01 | J&J Vision Care, Inc. | Method for coating articles by mold transfer |
| GB0202990D0 (en) * | 2002-02-08 | 2002-03-27 | Ciba Spec Chem Water Treat Ltd | Apparatus and method for degassing liquids |
| DE10235643A1 (de) * | 2002-08-02 | 2004-02-19 | Cognis Deutschland Gmbh & Co. Kg | Überwachung der Stabilität von vinylogen Verbindungen |
| JP4713167B2 (ja) * | 2005-01-21 | 2011-06-29 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3912607A (en) * | 1969-10-22 | 1975-10-14 | Rhone Progil | Process for obtaining high molecular weight water-soluble acrylic polymers and copolymers using radiation |
| DE2545290A1 (de) * | 1975-10-09 | 1977-04-21 | Roehm Gmbh | Verfahren zum polymerisieren mittels uv-licht |
| DE2546279A1 (de) * | 1975-10-16 | 1977-04-21 | Bayer Ag | Verfahren und vorrichtung zum loesen von feststoffen in loesungsmitteln |
| FR2348227A1 (fr) * | 1976-04-14 | 1977-11-10 | Rhone Poulenc Ind | Perfectionnement aux procedes de preparation de polymeres acryliques hydrosolubles par photopolymerisation |
-
1978
- 1978-07-24 FR FR7822883A patent/FR2431876A2/fr active Granted
-
1979
- 1979-06-26 EP EP79400423A patent/EP0008246A1/fr not_active Withdrawn
- 1979-07-10 US US06/056,337 patent/US4294676A/en not_active Expired - Lifetime
- 1979-07-19 AU AU49059/79A patent/AU532382B2/en not_active Ceased
- 1979-07-20 JP JP54091725A patent/JPS584687B2/ja not_active Expired
- 1979-07-21 RO RO98241A patent/RO78872B/ro unknown
- 1979-07-23 CA CA332,346A patent/CA1123375A/fr not_active Expired
- 1979-07-23 DK DK309279A patent/DK309279A/da not_active Application Discontinuation
- 1979-07-23 FI FI792298A patent/FI65267C/fi not_active IP Right Cessation
- 1979-07-23 NO NO792432A patent/NO792432L/no unknown
- 1979-07-23 ES ES482758A patent/ES482758A1/es not_active Expired
- 1979-07-23 HU HU79RO1031A patent/HU182660B/hu unknown
- 1979-07-23 AT AT0507079A patent/AT369391B/de not_active IP Right Cessation
- 1979-07-23 BR BR7904697A patent/BR7904697A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI65267B (fi) | 1983-12-30 |
| CA1123375A (fr) | 1982-05-11 |
| FR2431876B2 (fr) | 1982-02-12 |
| HU182660B (en) | 1984-02-28 |
| EP0008246A1 (fr) | 1980-02-20 |
| DK309279A (da) | 1980-01-25 |
| JPS5562903A (en) | 1980-05-12 |
| RO78872A (fr) | 1983-02-15 |
| AU4905979A (en) | 1980-01-31 |
| US4294676A (en) | 1981-10-13 |
| BR7904697A (pt) | 1980-05-27 |
| ES482758A1 (es) | 1980-07-01 |
| FI792298A (fi) | 1980-01-25 |
| RO78872B (ro) | 1983-02-28 |
| ATA507079A (de) | 1982-05-15 |
| JPS584687B2 (ja) | 1983-01-27 |
| AU532382B2 (en) | 1983-09-29 |
| FI65267C (fi) | 1984-04-10 |
| FR2431876A2 (fr) | 1980-02-22 |
| AT369391B (de) | 1982-12-27 |
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