FI66817C - Foerfarande foer framstaellning av klordioxid - Google Patents
Foerfarande foer framstaellning av klordioxid Download PDFInfo
- Publication number
- FI66817C FI66817C FI770851A FI770851A FI66817C FI 66817 C FI66817 C FI 66817C FI 770851 A FI770851 A FI 770851A FI 770851 A FI770851 A FI 770851A FI 66817 C FI66817 C FI 66817C
- Authority
- FI
- Finland
- Prior art keywords
- chlorine dioxide
- reaction medium
- methanol
- chlorate
- chloride
- Prior art date
Links
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 86
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 76
- 239000004155 Chlorine dioxide Substances 0.000 claims description 43
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 43
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 38
- 238000006243 chemical reaction Methods 0.000 claims description 28
- XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 26
- 239000012429 reaction media Substances 0.000 claims description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 19
- 239000011780 sodium chloride Substances 0.000 claims description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 15
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims description 12
- -1 alkali metal chlorate Chemical class 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 9
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 5
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 239000012431 aqueous reaction media Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 11
- 239000000460 chlorine Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 8
- 229910052801 chlorine Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 150000007519 polyprotic acids Polymers 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 238000009621 Solvay process Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 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
- 241001274216 Naso Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- 235000011149 sulphuric acid Nutrition 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
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1112376 | 1976-03-19 | ||
| GB1112376 | 1976-03-19 | ||
| GB1878376 | 1976-05-07 | ||
| GB1878376 | 1976-05-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI770851A FI770851A (fr) | 1977-09-20 |
| FI66817B FI66817B (fi) | 1984-08-31 |
| FI66817C true FI66817C (fi) | 1984-12-10 |
Family
ID=26248076
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI770851A FI66817C (fi) | 1976-03-19 | 1977-03-17 | Foerfarande foer framstaellning av klordioxid |
| FI770852A FI66818C (fi) | 1976-03-19 | 1977-03-17 | Framstaellning av klordioxid |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI770852A FI66818C (fi) | 1976-03-19 | 1977-03-17 | Framstaellning av klordioxid |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4081520A (fr) |
| JP (2) | JPS6055441B2 (fr) |
| AR (1) | AR214879A1 (fr) |
| AT (1) | AT394706B (fr) |
| BR (2) | BR7701679A (fr) |
| CA (3) | CA1079931A (fr) |
| ES (1) | ES457003A1 (fr) |
| FI (2) | FI66817C (fr) |
| FR (1) | FR2344497A1 (fr) |
| NZ (1) | NZ183623A (fr) |
| SE (2) | SE439916B (fr) |
Families Citing this family (67)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4325934A (en) * | 1980-09-22 | 1982-04-20 | Erco Industries Limited | Production of chlorine dioxide with conversion of by-product solid phase sodium acid sulphate to its neutral form |
| US4362707A (en) * | 1981-04-23 | 1982-12-07 | Diamond Shamrock Corporation | Preparation of chlorine dioxide with platinum group metal oxide catalysts |
| DE3478104D1 (en) * | 1983-06-10 | 1989-06-15 | Tenneco Canada Inc | Process for the production of chlorine dioxide |
| CA1181224A (fr) * | 1983-06-10 | 1985-01-22 | Maurice C.J. Fredette | Procede d'obtention de bioxyde de chlore a haut rendement |
| US4465658A (en) * | 1983-06-13 | 1984-08-14 | Erco Industries Limited | Chlorine dioxide process |
| US4486399A (en) * | 1983-07-01 | 1984-12-04 | Multifibre Process Limited | Method to reduce the potential salt cake content of chlorine dioxide generator spent acids |
| US4578261A (en) * | 1983-07-01 | 1986-03-25 | Multifibre Process Limited | Method to reduce the potential salt cake content of chlorine dioxide generator spent acids |
| US4473540A (en) * | 1983-07-07 | 1984-09-25 | Erco Industries Limited | High efficiency chlorine dioxide process |
| US4627969A (en) * | 1984-09-05 | 1986-12-09 | Tenneco Canada Inc. | Production of chlorine dioxide |
| SE460046B (sv) * | 1987-03-27 | 1989-09-04 | Eka Nobel Ab | Foerfarande foer framstaellning av klordioxid |
| JPH0448239Y2 (fr) * | 1987-05-27 | 1992-11-13 | ||
| US4886653A (en) * | 1988-03-25 | 1989-12-12 | Olin Corporation | Process and apparatus for producing an aqueous solution containing chlorine dioxide and chlorine |
| US4839152A (en) * | 1988-03-25 | 1989-06-13 | Olin Corporation | Process for producing an aqueous solution containing chlorine dioxide and chlorine |
| SE463669B (sv) * | 1988-06-17 | 1991-01-07 | Eka Nobel Ab | Foerfarande foer framstaellning av klordioxid |
| US5066477A (en) * | 1988-08-10 | 1991-11-19 | Tenneco Canada Inc. | Production of chlorine dioxide |
| SE463670B (sv) * | 1988-10-11 | 1991-01-07 | Eka Nobel Ab | Foerfarande foer framstaellning av klordioxid |
| SE464193B (sv) * | 1988-10-20 | 1991-03-18 | Eka Nobel Ab | Foerfarande foer framstaellning av klordioxid |
| SE463671B (sv) * | 1988-10-25 | 1991-01-07 | Eka Nobel Ab | Foerfarande foer framstaellning av klordioxid |
| SE8804251D0 (sv) * | 1988-11-24 | 1988-11-24 | Alby Klorat Ab | Saett att framstaella klordioxid |
| JPH02121091U (fr) * | 1989-03-17 | 1990-10-01 | ||
| SE465569B (sv) * | 1989-04-18 | 1991-09-30 | Eka Nobel Ab | Foerfarande foer framstaellning av klordioxid |
| CA1338503C (fr) * | 1989-09-29 | 1996-08-06 | Russell Ian Derrah | Preparation de dioxyde de chlore |
| JPH0385091U (fr) * | 1989-12-19 | 1991-08-28 | ||
| US5322598A (en) * | 1990-02-06 | 1994-06-21 | Olin Corporation | Chlorine dioxide generation using inert load of sodium perchlorate |
| CA2023452C (fr) * | 1990-03-05 | 1994-05-24 | Birgitta Sundblad | Procede de production du dioxyde de chlore |
| US5770171A (en) * | 1990-03-05 | 1998-06-23 | Eka Nobel Inc. | Process for production of chlorine dioxide |
| US5198080A (en) * | 1990-06-08 | 1993-03-30 | Tenneco Canada Inc. | Electrochemical processing of aqueous solutions |
| US5122240A (en) * | 1990-06-08 | 1992-06-16 | Tenneco Canada Inc. | Electrochemical processing of aqueous solutions |
| CA2019389A1 (fr) * | 1990-06-20 | 1991-12-20 | Maurice C.J. Fredette | Procede pour obtenir du dioxyde de chlore, a base de methanol |
| SE9002262D0 (sv) * | 1990-06-27 | 1990-06-27 | Eka Nobel Ab | Foerfarande foer framstaellning av klorioxid |
| CA2023733C (fr) * | 1990-08-21 | 1998-04-14 | Marek Lipsztajn | Production de dioxyde de chlore a partir de l'acide chlorique |
| US5284553A (en) * | 1990-08-22 | 1994-02-08 | Sterling Canada, Inc. | Chlorine dioxide generation from chloric acid |
| SE500043C2 (sv) * | 1990-08-31 | 1994-03-28 | Eka Nobel Ab | Förfarande för kontinuerlig framställning av klordioxid |
| SE500042C2 (sv) * | 1990-08-31 | 1994-03-28 | Eka Nobel Ab | Förfarande för kontinuerlig framställning av klordioxid |
| US5116595A (en) * | 1991-04-22 | 1992-05-26 | Tenneco Canada Inc. | Metathesis of acidic by-product of chlorine dioxide generating process |
| US5205995A (en) * | 1991-04-22 | 1993-04-27 | Sterling Canada Inc. | Metathesis of acidic by-product of chlorine dioxide generating apparatus |
| US5707546A (en) * | 1991-06-17 | 1998-01-13 | Rio Linda Chemical Co., Inc. | Generation and storage of chlorine dioxide in a non-aqueous medium |
| SE500107C2 (sv) * | 1991-06-26 | 1994-04-18 | Eka Nobel Ab | Förfarande för framställning av klordioxid |
| US5277768A (en) * | 1992-04-03 | 1994-01-11 | Sterling Canada, Inc. | Membrane cell washing |
| BR9307406A (pt) | 1992-11-09 | 1999-06-29 | Sterling Canada Inc | Processo para conversão de sesquissulfato de sódio em sulfato de sódio anídrico neutro processo para conversão de pasta de sesquissulfato de sódio e processo para produção de dióxido de cloro |
| US5376350A (en) * | 1992-12-10 | 1994-12-27 | Eka Nobel Ab | Plug flow process for the production of chlorine dioxide |
| US5380517B1 (en) * | 1993-02-26 | 1999-01-19 | Eka Nobel Inc | Process for continuously producing chlorine dioxide |
| US5487881A (en) * | 1993-02-26 | 1996-01-30 | Eka Nobel Inc. | Process of producing chlorine dioxide |
| US5478446A (en) * | 1993-07-02 | 1995-12-26 | Eka Nobel Inc. | Electrochemical process |
| US5407547A (en) * | 1993-10-06 | 1995-04-18 | Eka Nobel Ab | Process for production of acidified process streams |
| US5399332A (en) * | 1993-10-20 | 1995-03-21 | Sterling Canada, Inc. | Dynamic leaching procedure for metathesis |
| SE9502077L (sv) * | 1995-06-07 | 1996-08-22 | Eka Chemicals Ab | Sätt att framställa klordioxid |
| US6585950B1 (en) * | 1995-06-07 | 2003-07-01 | Eka Nobel Ab | Method of producing chlorine dioxide |
| US5676920A (en) * | 1996-08-20 | 1997-10-14 | Sterling Canada, Inc. | Chlorine dioxide generating process |
| US5792441A (en) * | 1996-10-11 | 1998-08-11 | Pulp And Paper Research Institute Of Canada | Fixed-resin bed technologies for the treatment of the chlorine dioxide generator effluent and feeds stream |
| CA2242685C (fr) * | 1997-08-01 | 2004-09-28 | Sterling Canada, Inc. | Procede de production de dioxyde de chlore a l'aide d'acide nitrique |
| CA2273667C (fr) | 1998-06-09 | 2009-03-17 | Sterling Canada, Inc. | Chlorite de metal alcalin de grande purete et mode d'obtention |
| US6322768B1 (en) | 1998-09-29 | 2001-11-27 | International Paper Company | Recovery of chlorine dioxide from gas streams |
| AU2001243982B2 (en) * | 2000-03-17 | 2004-05-06 | Superior Plus Lp | Advanced control strategies for chlorine dioxide generating processes |
| US20030138371A1 (en) * | 2002-01-18 | 2003-07-24 | Cdg Technology, Inc. | Method and apparatus for generating gaseous chlorine dioxide-chlorine mixtures |
| EP1750502A4 (fr) * | 2004-05-17 | 2011-09-07 | John Y Mason | Procede de traitement au dioxyde de chlore |
| CN100339309C (zh) * | 2005-08-11 | 2007-09-26 | 上海交通大学 | 无机类富勒烯结构二硫化钼的制备方法 |
| US9340422B2 (en) * | 2009-06-16 | 2016-05-17 | Akzo Nobel N.V. | Process for the production of chlorine dioxide |
| UY32927A (es) | 2009-10-12 | 2011-03-31 | Akzo Nobel Chemicals Int Bv | Proceso para la producción de dióxido de cloro |
| FI122623B (fi) | 2009-10-30 | 2012-04-30 | Kemira Oyj | Menetelmä klooridioksidin valmistamiseksi |
| JP5902400B2 (ja) | 2011-04-26 | 2016-04-13 | トヨタ自動車株式会社 | レーザ溶接装置、レーザ溶接方法、鋼板積層体の製造方法及び積層体のレーザ溶接による溶接構造 |
| US9517934B2 (en) | 2013-03-14 | 2016-12-13 | The United States Of America As Represented By The Secretary Of The Army | Process for the generation of chlorine dioxide |
| US10442711B2 (en) | 2013-03-15 | 2019-10-15 | Sabre Intellectual Property Holdings Llc | Method and system for the treatment of produced water and fluids with chlorine dioxide for reuse |
| US9238587B2 (en) | 2013-03-15 | 2016-01-19 | Sabre Intellectual Property Holdings Llc | Method and system for the treatment of water and fluids with chlorine dioxide |
| US9567216B2 (en) | 2014-02-12 | 2017-02-14 | Chemtreat, Inc. | Reducing agents for producing chlorine dioxide |
| FI129150B (fi) * | 2017-09-25 | 2021-08-13 | Andritz Oy | Menetelmä kemikaalitasapainon optimoimiseksi sellutehtaalla |
| US10626016B2 (en) | 2017-11-27 | 2020-04-21 | Brandeis University | Method and composition of humidity-controlled generation of chlorine dioxide in polymers and superabsorbent hydrogels |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE378289C (de) * | 1922-01-19 | 1923-07-09 | Koeln Rottweil Akt Ges | Verfahren zur Herstellung von Chlordioxyd |
| US2605168A (en) * | 1948-06-10 | 1952-07-29 | Degussa | Process for the preparation of chlorine dioxide |
| US2881052A (en) * | 1953-06-08 | 1959-04-07 | Allied Chem | Production of chlorine dioxide |
| US3933987A (en) * | 1966-10-24 | 1976-01-20 | Hooker Chemicals & Plastics Corporation | Simultaneous production of chlorine dioxide and a salt of a strong acid |
| US3933988A (en) * | 1966-10-24 | 1976-01-20 | Hooker Chemicals & Plastics Corporation | Method of simultaneously producing chlorine dioxide and a sulfate salt |
| JPS4859095A (fr) * | 1971-11-22 | 1973-08-18 |
-
1977
- 1977-02-21 CA CA272,252A patent/CA1079931A/fr not_active Expired
- 1977-02-21 CA CA272,176A patent/CA1080433A/fr not_active Expired
- 1977-02-21 CA CA272,251A patent/CA1080434A/fr not_active Expired
- 1977-02-22 US US05/770,360 patent/US4081520A/en not_active Expired - Lifetime
- 1977-03-16 NZ NZ183623A patent/NZ183623A/xx unknown
- 1977-03-17 FI FI770851A patent/FI66817C/fi not_active IP Right Cessation
- 1977-03-17 FI FI770852A patent/FI66818C/fi not_active IP Right Cessation
- 1977-03-18 SE SE7703152A patent/SE439916B/xx not_active IP Right Cessation
- 1977-03-18 AR AR266909A patent/AR214879A1/es active
- 1977-03-18 JP JP52029365A patent/JPS6055441B2/ja not_active Expired
- 1977-03-18 BR BR7701679A patent/BR7701679A/pt unknown
- 1977-03-18 JP JP2936677A patent/JPS52114493A/ja active Granted
- 1977-03-18 ES ES457003A patent/ES457003A1/es not_active Expired
- 1977-03-18 SE SE7703151A patent/SE452878B/xx not_active IP Right Cessation
- 1977-03-18 FR FR7708302A patent/FR2344497A1/fr active Granted
- 1977-03-21 AT AT0196177A patent/AT394706B/de not_active IP Right Cessation
- 1977-03-21 BR BR7701734A patent/BR7701734A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI66818B (fi) | 1984-08-31 |
| BR7701679A (pt) | 1978-01-24 |
| FI770852A (fr) | 1977-09-20 |
| JPS52114493A (en) | 1977-09-26 |
| FI66818C (fi) | 1984-12-10 |
| SE452878B (sv) | 1987-12-21 |
| NZ183623A (en) | 1979-07-11 |
| BR7701734A (pt) | 1978-01-24 |
| CA1080434A (fr) | 1980-07-01 |
| AR214879A1 (es) | 1979-08-15 |
| US4081520A (en) | 1978-03-28 |
| ES457003A1 (es) | 1978-01-16 |
| CA1079931A (fr) | 1980-06-24 |
| FI770851A (fr) | 1977-09-20 |
| AT394706B (de) | 1992-06-10 |
| FR2344497A1 (fr) | 1977-10-14 |
| JPS6055441B2 (ja) | 1985-12-05 |
| SE7703151L (sv) | 1977-09-20 |
| FR2344497B1 (fr) | 1978-11-03 |
| ATA196177A (de) | 1991-11-15 |
| JPS52114492A (en) | 1977-09-26 |
| JPS6256082B2 (fr) | 1987-11-24 |
| FI66817B (fi) | 1984-08-31 |
| SE7703152L (sv) | 1977-09-20 |
| CA1080433A (fr) | 1980-07-01 |
| SE439916B (sv) | 1985-07-08 |
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