NO792199L - Fremgangsmaate til regenerering av gummi - Google Patents
Fremgangsmaate til regenerering av gummiInfo
- Publication number
- NO792199L NO792199L NO792199A NO792199A NO792199L NO 792199 L NO792199 L NO 792199L NO 792199 A NO792199 A NO 792199A NO 792199 A NO792199 A NO 792199A NO 792199 L NO792199 L NO 792199L
- Authority
- NO
- Norway
- Prior art keywords
- weight
- rubber
- amount
- regeneration
- plasticizer
- Prior art date
Links
- 229920001971 elastomer Polymers 0.000 title claims description 107
- 239000005060 rubber Substances 0.000 title claims description 107
- 238000000034 method Methods 0.000 title claims description 58
- 238000011084 recovery Methods 0.000 title 1
- 238000011069 regeneration method Methods 0.000 claims description 61
- 230000008929 regeneration Effects 0.000 claims description 46
- 239000004014 plasticizer Substances 0.000 claims description 43
- 239000000843 powder Substances 0.000 claims description 42
- HKOOXMFOFWEVGF-UHFFFAOYSA-N phenylhydrazine Chemical compound NNC1=CC=CC=C1 HKOOXMFOFWEVGF-UHFFFAOYSA-N 0.000 claims description 35
- 229940067157 phenylhydrazine Drugs 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 33
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 27
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 claims description 26
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 21
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 20
- 229910001510 metal chloride Inorganic materials 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 239000010734 process oil Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 9
- 239000004753 textile Substances 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 239000007790 solid phase Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 230000000181 anti-adherent effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 36
- 239000000463 material Substances 0.000 description 27
- 238000002156 mixing Methods 0.000 description 25
- 238000005096 rolling process Methods 0.000 description 15
- 238000012360 testing method Methods 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 10
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 9
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000002480 mineral oil Substances 0.000 description 8
- 235000010446 mineral oil Nutrition 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 238000007670 refining Methods 0.000 description 8
- 238000004073 vulcanization Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LLMLGZUZTFMXSA-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzenethiol Chemical compound SC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl LLMLGZUZTFMXSA-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- BIVUUOPIAYRCAP-UHFFFAOYSA-N aminoazanium;chloride Chemical compound Cl.NN BIVUUOPIAYRCAP-UHFFFAOYSA-N 0.000 description 1
- ZMJZYXKPJWGDGR-UHFFFAOYSA-N aminosulfamic acid Chemical class NNS(O)(=O)=O ZMJZYXKPJWGDGR-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- -1 iron metals Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- 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
- C08J2321/00—Characterised by the use of unspecified rubbers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7807479A SE7807479L (sv) | 1978-07-03 | 1978-07-03 | Sett att regenerera gummi samt anvendningen av det enligt settet regenererade gummit for tillverkning av vulkade gummiprodukter |
| SE7905528A SE7905528L (sv) | 1978-07-03 | 1979-06-25 | Sett att regenerera gummi |
| AU54145/79A AU5414579A (en) | 1978-07-03 | 1979-12-21 | Process of reclaiming rubber |
| JP17392379A JPS5699243A (en) | 1978-07-03 | 1979-12-29 | Reclaiming of rubber |
| BR8000004A BR8000004A (pt) | 1978-07-03 | 1980-01-02 | Processo para recuperacao de borracha |
| DD80218297A DD148500A5 (de) | 1978-07-03 | 1980-01-03 | Verfahren zur regenerierung von kautschuk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO792199L true NO792199L (no) | 1980-01-04 |
Family
ID=27542755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO792199A NO792199L (no) | 1978-07-03 | 1979-07-02 | Fremgangsmaate til regenerering av gummi |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4264481A (xx) |
| EP (1) | EP0006834B1 (xx) |
| JP (1) | JPS5699243A (xx) |
| AU (1) | AU5414579A (xx) |
| BR (1) | BR8000004A (xx) |
| CA (1) | CA1115448A (xx) |
| DD (1) | DD148500A5 (xx) |
| DE (1) | DE2962132D1 (xx) |
| FI (1) | FI792089A (xx) |
| NO (1) | NO792199L (xx) |
| SE (2) | SE7807479L (xx) |
| SU (1) | SU936799A3 (xx) |
| TR (1) | TR21093A (xx) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366284A (en) * | 1980-10-17 | 1982-12-28 | Hayakawa Rubber Company Limited | Aqueously-swelling water stopper and a process of stopping water thereby |
| US4485201A (en) * | 1983-11-21 | 1984-11-27 | Midwest Elastomers, Inc. | Method of modifying asphalt with thermoplastic polymers, ground rubber and composition produced |
| BR8500981A (pt) * | 1985-03-05 | 1986-11-18 | Luiz Carlos Oliveira Da Cunha | Processo para regeneracao de borracha vulcanizada |
| US20010004649A1 (en) * | 1994-04-13 | 2001-06-21 | Texas Encore, Llc | Rubber and plastic bonding |
| US5304576A (en) * | 1992-08-14 | 1994-04-19 | Southwestern Laboratories, Inc. | Waste tire disposal and recycling |
| DE19519793C2 (de) * | 1995-05-30 | 1998-02-19 | Projekt Entwicklungs Zentrum I | Verfahren, Reaktor und Vorrichtung zum Abbau von Elastomeren |
| FR2846661A1 (fr) * | 2002-10-31 | 2004-05-07 | Trans Euro Exp | Agent et procede de destruction de gommes, notamment de pneumatiques, par voie chimique, et produits combustibles obtenus |
| CA2426253A1 (en) * | 2003-04-22 | 2004-10-22 | Hurdon A. Hooper | Rubber reduction |
| CN101225186B (zh) * | 2007-07-03 | 2010-08-04 | 温洪江 | 废轮胎胶粉增塑反应改性方法 |
| DE102008037714A1 (de) | 2008-07-31 | 2010-02-04 | Continental Reifen Deutschland Gmbh | Kautschukmischung mit umweltfreundlichem Weichmacher |
| EP2558308B1 (en) * | 2010-04-16 | 2014-06-11 | Arizona Chemical Company, LLC | Tire rubber comprising modified tall oil pitch |
| RU2519476C1 (ru) * | 2012-12-27 | 2014-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ярославский государственный технический университет" | Способ регенерации резиновой крошки |
| US9120907B2 (en) * | 2013-06-28 | 2015-09-01 | Juha Kalliopuska | Method and related arrangement for devulcanization of vulcanized rubber |
| RU2770045C2 (ru) * | 2020-04-16 | 2022-04-14 | Андрей Анатольевич Сланевский | Способ регенерации резины |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2088920A (en) * | 1935-02-02 | 1937-08-03 | Us Rubber Prod Inc | Manufacture of articles form vulcanized rubber |
| US2783213A (en) * | 1952-08-18 | 1957-02-26 | Midwest Rubber Reciaiming Comp | Rubber reclaims and process for producing same |
| US2800462A (en) * | 1953-02-12 | 1957-07-23 | Us Rubber Reclaiming Co | Method of production of reclaimed rubber in discrete particle form |
| US2804651A (en) * | 1953-11-09 | 1957-09-03 | Us Rubber Reclaiming Co | Methods of providing reclaimed rubber |
| US2871205A (en) * | 1954-05-21 | 1959-01-27 | Us Rubber Co | Reclaiming of vulcanized scrap rubber |
| US2939850A (en) * | 1956-06-12 | 1960-06-07 | Exxon Research Engineering Co | Process for reclaiming scrap rubber with polymer oil-sulfur mixture and composition thereof |
| BE621764A (xx) * | 1961-09-01 | 1900-01-01 | ||
| US3896059A (en) * | 1974-02-05 | 1975-07-22 | Firestone Tire & Rubber Co | Production of resins from solubilized scrap rubber, the resins thus produced and rubber compounds and products incorporating the resins |
| US4125578A (en) * | 1974-03-29 | 1978-11-14 | Setech International Limited | Reclaimed vulcanized rubber |
| US4146508A (en) * | 1975-05-29 | 1979-03-27 | U.S. Rubber Reclaiming Co., Inc. | Process of reclaiming rubber and refining reclaimed rubber |
-
1978
- 1978-07-03 SE SE7807479A patent/SE7807479L/xx not_active Application Discontinuation
-
1979
- 1979-06-25 SE SE7905528A patent/SE7905528L/xx not_active Application Discontinuation
- 1979-06-27 CA CA330,726A patent/CA1115448A/en not_active Expired
- 1979-07-02 FI FI792089A patent/FI792089A/fi not_active Application Discontinuation
- 1979-07-02 DE DE7979850065T patent/DE2962132D1/de not_active Expired
- 1979-07-02 NO NO792199A patent/NO792199L/no unknown
- 1979-07-02 SU SU792783400A patent/SU936799A3/ru active
- 1979-07-02 EP EP19790850065 patent/EP0006834B1/en not_active Expired
- 1979-07-03 US US06/054,496 patent/US4264481A/en not_active Expired - Lifetime
- 1979-07-03 TR TR2109379A patent/TR21093A/xx unknown
- 1979-12-21 AU AU54145/79A patent/AU5414579A/en not_active Abandoned
- 1979-12-29 JP JP17392379A patent/JPS5699243A/ja active Pending
-
1980
- 1980-01-02 BR BR8000004A patent/BR8000004A/pt unknown
- 1980-01-03 DD DD80218297A patent/DD148500A5/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2962132D1 (en) | 1982-03-25 |
| US4264481A (en) | 1981-04-28 |
| EP0006834B1 (en) | 1982-02-17 |
| SU936799A3 (ru) | 1982-06-15 |
| EP0006834A2 (en) | 1980-01-09 |
| DD148500A5 (de) | 1981-05-27 |
| BR8000004A (pt) | 1981-07-07 |
| AU5414579A (en) | 1981-06-25 |
| EP0006834A3 (en) | 1980-01-23 |
| JPS5699243A (en) | 1981-08-10 |
| TR21093A (tr) | 1983-07-01 |
| FI792089A (fi) | 1980-01-04 |
| CA1115448A (en) | 1981-12-29 |
| SE7905528L (sv) | 1980-01-04 |
| SE7807479L (sv) | 1980-01-04 |
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