FI78846B - Foerfarande foer avlaegsnande av gasformiga svavelfoereningar och svaveldioxid ur roekgaser i en panna. - Google Patents
Foerfarande foer avlaegsnande av gasformiga svavelfoereningar och svaveldioxid ur roekgaser i en panna. Download PDFInfo
- Publication number
- FI78846B FI78846B FI851623A FI851623A FI78846B FI 78846 B FI78846 B FI 78846B FI 851623 A FI851623 A FI 851623A FI 851623 A FI851623 A FI 851623A FI 78846 B FI78846 B FI 78846B
- Authority
- FI
- Finland
- Prior art keywords
- boiler
- hydroxide
- flue gases
- water
- fed
- Prior art date
Links
- 239000003546 flue gas Substances 0.000 claims description 49
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 19
- 239000000920 calcium hydroxide Substances 0.000 claims description 18
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 18
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000011593 sulfur Substances 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 11
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 150000003464 sulfur compounds Chemical class 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- -1 sulfur dioxide Chemical class 0.000 claims description 4
- LWNKHILEJJTLCI-UHFFFAOYSA-J calcium;magnesium;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Mg+2].[Ca+2] LWNKHILEJJTLCI-UHFFFAOYSA-J 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 3
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 10
- 239000000428 dust Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 4
- 239000000347 magnesium hydroxide Substances 0.000 description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 3
- 229910052815 sulfur oxide Inorganic materials 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 229940087373 calcium oxide Drugs 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
- Gas Separation By Absorption (AREA)
Priority Applications (25)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI851623A FI78846B (fi) | 1985-04-24 | 1985-04-24 | Foerfarande foer avlaegsnande av gasformiga svavelfoereningar och svaveldioxid ur roekgaser i en panna. |
| NZ213859A NZ213859A (en) | 1985-04-24 | 1985-10-16 | Removing gaseous sulphur from flue gases of a furnace |
| JP60236246A JPS61287420A (ja) | 1985-04-24 | 1985-10-22 | 炉の煙道ガスから気体硫黄化合物を除去する方法 |
| DD85282039A DD240839A5 (de) | 1985-04-24 | 1985-10-24 | Verfahren zum abscheiden gasfoermiger schwefelverbindungen, wie schwefeldioxid, aus kessel-rauchgasen |
| HU854099A HU202422B (en) | 1985-04-24 | 1985-10-24 | Method for removing gaseous sulfur compounds from flue gas of boilers |
| AU49077/85A AU579902B2 (en) | 1985-04-24 | 1985-10-25 | A process for removing gaseous sulfur compounds and sulfur dioxide from the flue gases of a furnace |
| ES548285A ES8700307A1 (es) | 1985-04-24 | 1985-10-28 | Procedimiento para la retirada de compuestos sulfurosos ga- seosos y anhidrido sulfuroso de los gases de combustion de un horno |
| FR858516281A FR2580950B1 (fr) | 1985-04-24 | 1985-11-04 | Procede pour enlever les composes sulfures gazeux et l'anhydride sulfureux des gaz de combustion d'un foyer |
| CH4722/85A CH672265A5 (enrdf_load_stackoverflow) | 1985-04-24 | 1985-11-04 | |
| ZA858476A ZA858476B (en) | 1985-04-24 | 1985-11-05 | A process for removing gaseous sulfur compounds and sulfur dioxide from the flue gases of a furnace |
| YU1732/85A YU44580B (en) | 1985-04-24 | 1985-11-06 | Process for removal gasseous sulfur compounds as sulfur dioxide from furnace waste gasses |
| DE19853539348 DE3539348A1 (de) | 1985-04-24 | 1985-11-06 | Verfahren zum abscheiden gasfoermiger schwefelverbindungen, wie schwefeldioxid, aus kessel-rauchgasen |
| BG072295A BG60231B1 (bg) | 1985-04-24 | 1985-11-06 | Метод за отделяне на газообразни серни съединения,по-специално серен диоксид,от димни газове |
| BE0/215833A BE903598A (fr) | 1985-04-24 | 1985-11-06 | Procede de separation des composes sulfures gazeux et du dioxyde de soufre des gaz de fumee d'un four. |
| SE8505270A SE461958B (sv) | 1985-04-24 | 1985-11-07 | Foerfarande foer avlaegsning av gasformiga svavelfoereningar saasom svaveldioxid ur roekgaser |
| GB08527455A GB2174082B (en) | 1985-04-24 | 1985-11-07 | A process for removing gaseous sulphur compounds, particularly sulphur dioxide, from the flue gases of a furnace |
| CN85108066.9A CN1005312B (zh) | 1985-04-24 | 1985-11-07 | 从炉子烟道气中除去气态硫化物和二氧化硫的一种方法 |
| DK515485A DK515485A (da) | 1985-04-24 | 1985-11-08 | Fremgangsmaade til afsvovling af roeggas |
| CS808085A CS274270B2 (en) | 1985-04-24 | 1985-11-08 | Method of sulphur dioxide removal from fue gases |
| CA000494920A CA1289336C (en) | 1985-04-24 | 1985-11-08 | Process for removing gaseous sulfur compounds and sulfur dioxide fromthe flue gases of a furnace |
| PL1985256163A PL148176B1 (en) | 1985-04-24 | 1985-11-08 | Method of removing gaseous sulfur compounds,in particular sulfur dioxide,from furnace combustion gases |
| RO85120717A RO93449A (ro) | 1985-04-24 | 1985-11-08 | Procedeu pentru desulfurarea gazelor de ardere rezultate la furnale |
| IT67943/85A IT1185833B (it) | 1985-04-24 | 1985-11-08 | Procedimento per rimuovere composti gassosi dello zolfo ed anidride solforosa dai gas di combustione di un forno |
| NL8503081A NL8503081A (nl) | 1985-04-24 | 1985-11-08 | Werkwijze voor het verwijderen van gasvormige zwavelverbindingen, zoals zwaveldioxyde, uit de verbrandingsgassen van een oven. |
| BA970192A BA97192B1 (bs) | 1985-04-24 | 1997-08-19 | Postupak za odstranjivanje gasovitih jedinjenja sumpora kao sumpor-dioksida iz dimnih gasova peci |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI851623 | 1985-04-24 | ||
| FI851623A FI78846B (fi) | 1985-04-24 | 1985-04-24 | Foerfarande foer avlaegsnande av gasformiga svavelfoereningar och svaveldioxid ur roekgaser i en panna. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI851623A0 FI851623A0 (fi) | 1985-04-24 |
| FI851623L FI851623L (fi) | 1986-10-25 |
| FI78846B true FI78846B (fi) | 1989-06-30 |
Family
ID=8520718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI851623A FI78846B (fi) | 1985-04-24 | 1985-04-24 | Foerfarande foer avlaegsnande av gasformiga svavelfoereningar och svaveldioxid ur roekgaser i en panna. |
Country Status (24)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1310807C (en) * | 1986-05-29 | 1992-12-01 | Roderick Beittel | Method for reduction of sulfur products from flue gases by injection of powdered alkali sorbent at intermediate temperatures |
| US5084256A (en) * | 1986-05-29 | 1992-01-28 | Electric Power Research Institute, Inc. | Method for reduction of sulfur products for gases by injection of powdered alkali sorbent at intermediate temperatures |
| DE3716566A1 (de) * | 1987-05-18 | 1988-12-01 | Fichtel Roland | Verfahren zur herstellung reaktionsfaehiger calciumhydroxide fuer die abgasreinigung |
| DE8717874U1 (de) * | 1987-05-18 | 1990-11-22 | FTU GmbH, 8130 Starnberg | Calciumhydroxid für die Abgasreinigung |
| JPS6414517A (en) * | 1987-07-03 | 1989-01-18 | Gadelius Kk | Recovery of waste heat of exhaust gas |
| DE3817356A1 (de) * | 1988-01-18 | 1989-07-27 | Krupp Polysius Ag | Verfahren und vorrichtung zur waermebehandlung von feinkoernigem gut |
| JPH03154615A (ja) * | 1989-11-09 | 1991-07-02 | Hitachi Zosen Corp | 半乾式脱硫方法 |
| US5209912A (en) * | 1990-05-02 | 1993-05-11 | Ftu Gmbh | Process for separating out noxious substances from gases and exhaust gases |
| DK170891A (da) * | 1991-02-19 | 1992-08-20 | Intevep Sa | Fremgangsmaade til fjernelse af effluenter fra udgangsgasser dannet ved forbraending af et braendstof |
| FR2698287B1 (fr) * | 1992-11-24 | 1995-01-20 | Stein Industrie | Procédé de réduction des émissions de polluants dans les installations de combustion à lit fluidisé circulant. |
| JP3581517B2 (ja) | 1997-03-18 | 2004-10-27 | 北海道電力株式会社 | 脱塵装置およびその運転方法 |
| FI111608B (fi) * | 2001-07-05 | 2003-08-29 | Fortum Oyj | Savukaasujen puhdistusprosessi |
| CN100449208C (zh) * | 2004-11-23 | 2009-01-07 | 河南大学 | 锅炉炉内脱硫及烟气活化脱硫除尘装置 |
| AT507830B1 (de) * | 2009-02-12 | 2010-10-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur behandlung von abgas aus sinter- oder pelletierungsanlagen |
| JP6199698B2 (ja) * | 2013-11-01 | 2017-09-20 | 栗田工業株式会社 | 酸性排ガスの処理方法、及び排ガス処理剤 |
| CN108579356B (zh) * | 2018-04-02 | 2021-06-01 | 安徽蓝天盈丰环保科技有限公司 | 一种锅炉烟气脱硫除尘装置及方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU419407B2 (en) * | 1970-09-10 | 1971-11-30 | The Golden Cycle Corporation | Process for the entrapment of sulfur dioxide gas |
| US3687613A (en) * | 1970-10-27 | 1972-08-29 | Combustion Eng | Method and apparatus for preparing an additive for introduction to a gas scrubber |
| AU455051B2 (en) * | 1971-05-31 | 1974-10-29 | Chemical Construction Corporation | Process forthe recovery of sulfur dioxide |
| JPS499471A (enrdf_load_stackoverflow) * | 1972-05-24 | 1974-01-28 | ||
| JPS5079477A (enrdf_load_stackoverflow) * | 1973-11-08 | 1975-06-27 | ||
| JPS50150675A (enrdf_load_stackoverflow) * | 1974-05-25 | 1975-12-03 | ||
| SE418152B (sv) * | 1974-06-12 | 1981-05-11 | Ceskoslovenska Akademie Ved | Sett for oskadliggorande av avgaser, isynnerhet kveve- och svaveloxider, med hjelp av karbonater |
| GB1429427A (en) * | 1974-07-25 | 1976-03-24 | Asahi Fibreglass Co | Method of cleaning waste gases containing a fluorine component |
| GB1504688A (en) * | 1975-04-11 | 1978-03-22 | Exxon Research Engineering Co | Mitigating or preventing environmental pollution by sulphur oxides in the treatment of sulphur-containing substance |
| GB1551357A (en) * | 1975-05-06 | 1979-08-30 | Hoelter H | Purification of gas |
| US3976747A (en) * | 1975-06-06 | 1976-08-24 | The United States Of America As Represented By The United States Energy Research And Development Administration | Modified dry limestone process for control of sulfur dioxide emissions |
| DE2539500B2 (de) * | 1975-09-05 | 1980-06-19 | Heinz Ing.(Grad.) 4390 Gladbeck Hoelter | Verfahren zum Abscheiden von Staub und gasförmigen Schadstoffen aus heißen Abgasen sowie Vorrichtung zur Durchführung des Verfahrens |
| JPS5644023A (en) * | 1979-09-13 | 1981-04-23 | Mitsubishi Heavy Ind Ltd | Exhaust gas purifying method |
| BR8103078A (pt) * | 1980-05-24 | 1982-02-09 | Hoelter H | Processo e dispositivo para a eliminacao de anidrido sulfuroso e outras substancias nocivas de gas de fumaca |
| CA1152294A (en) * | 1980-10-08 | 1983-08-23 | Xuan T. Nguyen | Fluidized bed sulfur dioxide removal |
| DE3106580A1 (de) * | 1981-02-21 | 1982-09-02 | L. & C. Steinmüller GmbH, 5270 Gummersbach | Verfahren zur minimierung der emission von verunreinigungen aus verbrennungsanlagen |
| DE3136914A1 (de) * | 1981-09-17 | 1983-03-31 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | "verfahren zur rauchgasreinigung hinter kraftwerken mit gleichzeitiger herstellung von gips im trockenprozess" |
| JPS5851924A (ja) * | 1981-09-24 | 1983-03-26 | Sumitomo Cement Co Ltd | 排ガスの脱硫および冷却方法 |
| AT372876B (de) * | 1981-11-19 | 1983-11-25 | Oesterr Draukraftwerke | Verfahren und vorrichtung zur rauchgasentschwefelung von kohlefeuerungen nach dem trocken- additivverfahren |
| DE3232080C2 (de) * | 1982-08-28 | 1986-10-16 | Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen | Verfahren zur trockenen Entfernung von Schwefeldioxid und anderen Schadstoffen aus Rauchgasen |
| DE3235341A1 (de) * | 1982-09-24 | 1984-03-29 | Deutsche Babcock Anlagen Ag, 4200 Oberhausen | Verfahren zur reinigung von abgasen |
| US4469663A (en) * | 1982-10-15 | 1984-09-04 | The Dow Chemical Company | Scale control in flue gas desulfurization |
-
1985
- 1985-04-24 FI FI851623A patent/FI78846B/fi not_active Application Discontinuation
- 1985-10-16 NZ NZ213859A patent/NZ213859A/xx unknown
- 1985-10-22 JP JP60236246A patent/JPS61287420A/ja active Granted
- 1985-10-24 DD DD85282039A patent/DD240839A5/de not_active IP Right Cessation
- 1985-10-24 HU HU854099A patent/HU202422B/hu not_active IP Right Cessation
- 1985-10-25 AU AU49077/85A patent/AU579902B2/en not_active Ceased
- 1985-10-28 ES ES548285A patent/ES8700307A1/es not_active Expired
- 1985-11-04 FR FR858516281A patent/FR2580950B1/fr not_active Expired - Lifetime
- 1985-11-04 CH CH4722/85A patent/CH672265A5/de not_active IP Right Cessation
- 1985-11-05 ZA ZA858476A patent/ZA858476B/xx unknown
- 1985-11-06 DE DE19853539348 patent/DE3539348A1/de not_active Ceased
- 1985-11-06 YU YU1732/85A patent/YU44580B/xx unknown
- 1985-11-06 BG BG072295A patent/BG60231B1/bg unknown
- 1985-11-06 BE BE0/215833A patent/BE903598A/fr not_active IP Right Cessation
- 1985-11-07 GB GB08527455A patent/GB2174082B/en not_active Expired
- 1985-11-07 SE SE8505270A patent/SE461958B/sv not_active IP Right Cessation
- 1985-11-07 CN CN85108066.9A patent/CN1005312B/zh not_active Expired
- 1985-11-08 IT IT67943/85A patent/IT1185833B/it active
- 1985-11-08 CS CS808085A patent/CS274270B2/cs not_active IP Right Cessation
- 1985-11-08 CA CA000494920A patent/CA1289336C/en not_active Expired - Lifetime
- 1985-11-08 PL PL1985256163A patent/PL148176B1/pl unknown
- 1985-11-08 RO RO85120717A patent/RO93449A/ro unknown
- 1985-11-08 NL NL8503081A patent/NL8503081A/nl not_active Application Discontinuation
- 1985-11-08 DK DK515485A patent/DK515485A/da not_active Application Discontinuation
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