HU203683B - Method and apparatus for directing polymerization reactions influidized bed - Google Patents
Method and apparatus for directing polymerization reactions influidized bed Download PDFInfo
- Publication number
- HU203683B HU203683B HU853220A HU322085A HU203683B HU 203683 B HU203683 B HU 203683B HU 853220 A HU853220 A HU 853220A HU 322085 A HU322085 A HU 322085A HU 203683 B HU203683 B HU 203683B
- Authority
- HU
- Hungary
- Prior art keywords
- reactor
- fluidized bed
- fluid
- flow
- inlet
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000006116 polymerization reaction Methods 0.000 title claims description 25
- 239000012530 fluid Substances 0.000 claims abstract description 95
- 238000002156 mixing Methods 0.000 claims abstract description 60
- 239000007787 solid Substances 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000009826 distribution Methods 0.000 claims abstract description 48
- 230000008569 process Effects 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims description 43
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 82
- 239000002245 particle Substances 0.000 description 72
- 239000000463 material Substances 0.000 description 53
- 239000002609 medium Substances 0.000 description 33
- 239000000047 product Substances 0.000 description 29
- 229920000642 polymer Polymers 0.000 description 27
- 239000003054 catalyst Substances 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 19
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 7
- 239000005977 Ethylene Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 239000011343 solid material Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 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
- 238000007667 floating Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012526 feed medium Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1818—Feeding of the fluidising gas
- B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/44—Fluidisation grids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
- B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64388284A | 1984-08-24 | 1984-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HUT40032A HUT40032A (en) | 1986-11-28 |
| HU203683B true HU203683B (en) | 1991-09-30 |
Family
ID=24582556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU853220A HU203683B (en) | 1984-08-24 | 1985-08-23 | Method and apparatus for directing polymerization reactions influidized bed |
Country Status (27)
| Country | Link |
|---|---|
| EP (1) | EP0173261B1 (h) |
| JP (1) | JPH0826086B2 (h) |
| KR (1) | KR910005665B1 (h) |
| AR (1) | AR240660A1 (h) |
| AT (1) | ATE67689T1 (h) |
| AU (1) | AU585246B2 (h) |
| BR (1) | BR8504052A (h) |
| CA (1) | CA1241525A (h) |
| CS (1) | CS264120B2 (h) |
| DE (1) | DE3584207D1 (h) |
| DK (1) | DK168632B1 (h) |
| EG (1) | EG16976A (h) |
| ES (3) | ES8706472A1 (h) |
| FI (1) | FI85497C (h) |
| GR (1) | GR852049B (h) |
| HU (1) | HU203683B (h) |
| IE (1) | IE852074L (h) |
| IL (1) | IL76160A (h) |
| IN (1) | IN165875B (h) |
| MX (1) | MX173123B (h) |
| MY (1) | MY102501A (h) |
| NO (1) | NO166285C (h) |
| NZ (1) | NZ213208A (h) |
| PH (1) | PH26350A (h) |
| PL (1) | PL255137A1 (h) |
| TR (1) | TR22892A (h) |
| ZA (1) | ZA856440B (h) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1241525A (en) * | 1984-08-24 | 1988-09-06 | Larry L. Simpson | Fluidized bed polymerization reactors |
| GB8430514D0 (en) * | 1984-12-04 | 1985-01-09 | Smidth & Co As F L | Tube mill |
| US5171541A (en) * | 1986-06-16 | 1992-12-15 | Bp Chemicals Limited | Fluidized bed discharge process |
| FR2599991B1 (fr) * | 1986-06-16 | 1993-04-02 | Bp Chimie Sa | Evacuation de produits presents dans un reacteur de polymerisation d'alpha-olefines en lit fluidise |
| JP2703813B2 (ja) * | 1989-11-13 | 1998-01-26 | 昭和電工株式会社 | 流動層型気相重合装置のガス分散板 |
| US6001938A (en) * | 1993-05-20 | 1999-12-14 | Bp Chemicals Limited | Polymerization process |
| ZA943399B (en) * | 1993-05-20 | 1995-11-17 | Bp Chem Int Ltd | Polymerisation process |
| GB9524038D0 (en) * | 1995-11-23 | 1996-01-24 | Bp Chem Int Ltd | Nozzle |
| EP0803519A1 (en) | 1996-04-26 | 1997-10-29 | Bp Chemicals S.N.C. | Polymerisation process |
| EP0824115A1 (en) * | 1996-08-13 | 1998-02-18 | Bp Chemicals S.N.C. | Polymerisation process |
| EP0824116A1 (en) | 1996-08-13 | 1998-02-18 | Bp Chemicals S.N.C. | Polymerisation process |
| GB9622715D0 (en) * | 1996-10-31 | 1997-01-08 | Bp Chem Int Ltd | Nozzle |
| US6117399A (en) * | 1997-04-23 | 2000-09-12 | Union Carbide Chemicals & Plastics Technology Corporation | Fluidized bed polymerization reactor with multiple fluidization grids |
| US6113862A (en) * | 1997-04-23 | 2000-09-05 | Union Carbide Chemicals & Plastics Technology Corporation | Fluidized bed polymerization reactor with multiple fluidization grids |
| EP1082350B1 (en) * | 1998-05-28 | 2003-05-07 | BP Chemicals Limited | Process for early detection of reactor fouling in gas phase polymerisation |
| DE19825589A1 (de) | 1998-06-09 | 1999-12-16 | Elenac Gmbh | Gasphasenwirbelschichtreaktor |
| US6306981B1 (en) | 1999-04-02 | 2001-10-23 | Union Carbide Chemicals & Plastics Technology Corporation | Gas phase polymerization process |
| NL1015200C2 (nl) * | 2000-05-15 | 2001-11-19 | Dsm Nv | Werkwijze voor het in de gasfase polymeriseren van olefine monomeren. |
| ATE429286T1 (de) * | 2000-02-18 | 2009-05-15 | Niro Atomizer As | Verfahren und vorrichtung zum trocknen eines zerbröckelnden oder teilchenförmigen materials |
| WO2004037404A1 (en) * | 2002-10-24 | 2004-05-06 | Exxonmobil Chemical Patents Inc. | Inlet distribution device for upflow polymerization reactors |
| US7270791B2 (en) * | 2004-05-17 | 2007-09-18 | Univation Technologies, Llc | Angular flow distribution bottom head |
| WO2008074632A1 (en) * | 2006-12-20 | 2008-06-26 | Basell Poliolefine Italia S.R.L. | Gas distribution grid for a polymerization apparatus |
| EP2402376A1 (en) | 2010-06-29 | 2012-01-04 | Borealis AG | Process for producing a prepolymerised catalyst, such prepolymerised catalyst and its use for producing a polymer |
| KR101336302B1 (ko) * | 2010-10-04 | 2013-12-02 | 주식회사 엘지화학 | 트리클로로실란 제조용 유동층 반응장치 |
| CN102553495B (zh) * | 2010-12-16 | 2013-12-25 | 攀钢集团钢铁钒钛股份有限公司 | 一种流化床反应器及用于流化床反应器的气体分布板 |
| CN102553496B (zh) * | 2012-01-17 | 2014-06-18 | 洛阳康润石油化工科技开发有限公司 | 一种试验用固定流化床反应器 |
| WO2013188869A1 (en) * | 2012-06-15 | 2013-12-19 | General Electric Company | Turbine airfoil with cast platform cooling circuit |
| CA2891185C (en) * | 2012-11-09 | 2021-11-09 | University Of Ontario Institute Of Technology | Systems, methods and devices for the capture and hydrogenation of carbon dioxide with thermochemical cu-cl and mg-cl-na/k-co2 cycles |
| EP2743278A1 (en) * | 2012-12-11 | 2014-06-18 | Basell Polyolefine GmbH | Process for degassing and buffering polyolefin particles obtained by olefin polymerization |
| CN105170038B (zh) * | 2015-06-12 | 2017-06-30 | 四川省明信投资有限公司 | 一种用于连续流化床反应器的熔融物收集槽 |
| US10214448B2 (en) | 2016-05-10 | 2019-02-26 | Carbon Engineering Ltd. | High temperature hydrator |
| KR20180034062A (ko) * | 2016-09-27 | 2018-04-04 | 롯데케미칼 주식회사 | 비말동반 현상 방지를 위한 분리 장치 |
| US11053589B2 (en) * | 2017-06-28 | 2021-07-06 | X-Energy, Llc | Multi-inlet gas distributor for chemical vapor deposition coating of TRISO particles |
| CN118634744B (zh) * | 2024-08-15 | 2024-10-22 | 山东昭和新材料科技股份有限公司 | 氟化铝生产用流化床反应器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2690962A (en) * | 1952-10-06 | 1954-10-05 | Standard Oil Dev Co | Vessel for contacting gaseous fluids and solids |
| US2876079A (en) * | 1956-03-07 | 1959-03-03 | Exxon Research Engineering Co | Gas distributing arrangement for fluidized solids vessels |
| GB1402543A (en) * | 1971-06-21 | 1975-08-13 | Boland K M V | Methods for passing gases through discrete solids and through liquids |
| DZ520A1 (fr) * | 1982-03-24 | 2004-09-13 | Union Carbide Corp | Procédé perfectionné pour accroitre le rendement espace temps d'une réaction de polymérisation exothermique en lit fluidisé. |
| CA1241525A (en) * | 1984-08-24 | 1988-09-06 | Larry L. Simpson | Fluidized bed polymerization reactors |
-
1985
- 1985-08-16 CA CA000488902A patent/CA1241525A/en not_active Expired
- 1985-08-22 IL IL76160A patent/IL76160A/xx unknown
- 1985-08-22 EG EG534/85A patent/EG16976A/xx active
- 1985-08-22 AU AU46542/85A patent/AU585246B2/en not_active Expired
- 1985-08-22 FI FI853225A patent/FI85497C/fi not_active IP Right Cessation
- 1985-08-23 EP EP85110605A patent/EP0173261B1/en not_active Expired - Lifetime
- 1985-08-23 NZ NZ213208A patent/NZ213208A/xx unknown
- 1985-08-23 AT AT85110605T patent/ATE67689T1/de not_active IP Right Cessation
- 1985-08-23 IE IE852074A patent/IE852074L/xx unknown
- 1985-08-23 GR GR852049A patent/GR852049B/el unknown
- 1985-08-23 MX MX206413A patent/MX173123B/es unknown
- 1985-08-23 ZA ZA856440A patent/ZA856440B/xx unknown
- 1985-08-23 NO NO853333A patent/NO166285C/no not_active IP Right Cessation
- 1985-08-23 AR AR30137885A patent/AR240660A1/es active
- 1985-08-23 CS CS856082A patent/CS264120B2/cs not_active IP Right Cessation
- 1985-08-23 ES ES546371A patent/ES8706472A1/es not_active Expired
- 1985-08-23 JP JP60184358A patent/JPH0826086B2/ja not_active Expired - Lifetime
- 1985-08-23 DK DK385385A patent/DK168632B1/da not_active IP Right Cessation
- 1985-08-23 BR BR8504052A patent/BR8504052A/pt not_active IP Right Cessation
- 1985-08-23 IN IN659/MAS/85A patent/IN165875B/en unknown
- 1985-08-23 KR KR1019850006099A patent/KR910005665B1/ko not_active Expired
- 1985-08-23 PH PH32689A patent/PH26350A/en unknown
- 1985-08-23 DE DE8585110605T patent/DE3584207D1/de not_active Expired - Lifetime
- 1985-08-23 HU HU853220A patent/HU203683B/hu not_active IP Right Cessation
- 1985-08-24 PL PL25513785A patent/PL255137A1/xx unknown
- 1985-09-02 TR TR36825A patent/TR22892A/xx unknown
-
1986
- 1986-04-09 ES ES553812A patent/ES8706475A1/es not_active Expired
-
1987
- 1987-03-16 ES ES557446A patent/ES8801678A1/es not_active Expired
- 1987-10-08 MY MYPI87002867A patent/MY102501A/en unknown
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