NO830947L - Karbonsyreestere av hoeyere alkoholer egnet for bruk i smoereoljer. - Google Patents
Karbonsyreestere av hoeyere alkoholer egnet for bruk i smoereoljer.Info
- Publication number
- NO830947L NO830947L NO830947A NO830947A NO830947L NO 830947 L NO830947 L NO 830947L NO 830947 A NO830947 A NO 830947A NO 830947 A NO830947 A NO 830947A NO 830947 L NO830947 L NO 830947L
- Authority
- NO
- Norway
- Prior art keywords
- acid esters
- oils
- alcohols
- reaction
- alcohol
- Prior art date
Links
- 150000001298 alcohols Chemical class 0.000 title claims description 23
- 239000003921 oil Substances 0.000 title description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 2
- 239000002253 acid Substances 0.000 title description 2
- 229910052799 carbon Inorganic materials 0.000 title description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
- 239000000314 lubricant Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 16
- -1 alcohol carbonates Chemical class 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000009835 boiling Methods 0.000 claims description 12
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 5
- 239000002480 mineral oil Substances 0.000 claims description 5
- 235000010446 mineral oil Nutrition 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005809 transesterification reaction Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 description 19
- 150000001733 carboxylic acid esters Chemical class 0.000 description 18
- 238000012360 testing method Methods 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 15
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 6
- JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- GOAUNPQUDWQWCP-UHFFFAOYSA-N didodecyl carbonate Chemical compound CCCCCCCCCCCCOC(=O)OCCCCCCCCCCCC GOAUNPQUDWQWCP-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- SWBCOYGUPFXGLH-UHFFFAOYSA-N CCCCCCCCCCCC(CC)OC(O)=O Chemical compound CCCCCCCCCCCC(CC)OC(O)=O SWBCOYGUPFXGLH-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000004651 carbonic acid esters Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000010725 compressor oil Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- MCTWTZJPVLRJOU-UHFFFAOYSA-N 1-methyl-1H-imidazole Chemical compound CN1C=CN=C1 MCTWTZJPVLRJOU-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- MNYZCONIPPGKER-UHFFFAOYSA-N OOO.OC(O)=O Chemical class OOO.OC(O)=O MNYZCONIPPGKER-UHFFFAOYSA-N 0.000 description 1
- 239000004435 Oxo alcohol Substances 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 101150017210 ccmC gene Proteins 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/06—Preparation of esters of carbonic or haloformic acids from organic carbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/56—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
- C10M105/58—Amines, e.g. polyalkylene polyamines, quaternary amines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/84—Esters of carbonic acid
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/32—Esters of carbonic acid
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/251—Alcohol-fuelled engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
- C10N2040/28—Rotary engines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Lubricants (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20264/82A IT1150700B (it) | 1982-03-19 | 1982-03-19 | Sintesi di carbonati di alcoli superiori e loro impiego come lubrificanti sintetici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO830947L true NO830947L (no) | 1983-09-20 |
Family
ID=11165255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO830947A NO830947L (no) | 1982-03-19 | 1983-03-17 | Karbonsyreestere av hoeyere alkoholer egnet for bruk i smoereoljer. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0089709A1 (da) |
| DK (1) | DK124783A (da) |
| IT (1) | IT1150700B (da) |
| NO (1) | NO830947L (da) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU568516B2 (en) * | 1982-11-26 | 1988-01-07 | Bp Chemicals Limited | Transesterification of esters employing novel catalyst |
| US4707284A (en) * | 1985-12-23 | 1987-11-17 | Exxon Research And Engineering Company | Lube oil anti-wear agent |
| US4801391A (en) * | 1985-12-23 | 1989-01-31 | Exxon Research And Engineering Company | Method of improving the anti-wear properties of a lube oil |
| US4691041A (en) * | 1986-01-03 | 1987-09-01 | Texaco Inc. | Process for production of ethylene glycol and dimethyl carbonate |
| US5171903A (en) * | 1988-11-15 | 1992-12-15 | Idemitsu Kosan Co., Ltd. | Lubricating oil composition |
| IT1230064B (it) * | 1989-04-18 | 1991-09-27 | Euron Spa | Fluido lubrificante per la laminazione a freddo dell'acciaio. |
| US5019286A (en) * | 1990-02-26 | 1991-05-28 | Exxon Chemical Patents, Inc. | Low viscosity aromatic carbonate lubricating oil concentrates |
| US5391311A (en) * | 1990-04-20 | 1995-02-21 | Nippon Oil Co., Ltd. | Fluid compositions for refrigerators |
| EP0452816B1 (en) * | 1990-04-20 | 1994-06-29 | Nippon Oil Co. Ltd. | Use of synthetic lubricating oils in refrigerators |
| IT1243858B (it) * | 1990-10-19 | 1994-06-28 | Agip Petroli | Composizioni lubrificanti per autotrazione. |
| US5290464A (en) * | 1990-10-19 | 1994-03-01 | Agip Petroli S.P.A. | Lubricant compositions for autotraction |
| US5240629A (en) * | 1992-01-10 | 1993-08-31 | Ethyl Corporation | Refrigerant compositions |
| JPH08503975A (ja) * | 1992-06-03 | 1996-04-30 | ヘンケル・コーポレイション | 冷媒の熱媒液用ポリオールエステル潤滑剤 |
| US5853609A (en) * | 1993-03-10 | 1998-12-29 | Henkel Corporation | Polyol ester lubricants for hermetically sealed refrigerating compressors |
| US5562851A (en) * | 1994-12-21 | 1996-10-08 | Exxon Chemical Patents Inc. | Sulfur-containing carbonate reaction products as lubricating oil antiwear additives |
| CN1074452C (zh) * | 1995-12-28 | 2001-11-07 | 大金工业株式会社 | 制冷机油以及使用该制冷机油的制冷机 |
| IT1282363B1 (it) | 1996-01-16 | 1998-03-20 | Enichem Spa | Procedimento continuo per la preparazione di fenil metil carbonato |
| US6093842A (en) * | 1998-09-25 | 2000-07-25 | General Electric Company | Process for continuous production of carbonate esters |
| DE10140846A1 (de) * | 2001-08-21 | 2003-03-06 | Cognis Deutschland Gmbh | Verfahren zur Herstellung von Dialkylcarbonaten |
| GB0703831D0 (en) | 2007-02-28 | 2007-04-11 | Croda Int Plc | Engine lubricants |
| WO2018175047A1 (en) * | 2017-03-24 | 2018-09-27 | Exxonmobil Chemical Patents Inc. | Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same |
| US10738258B2 (en) | 2017-03-24 | 2020-08-11 | Exxonmobil Research And Engineering Company | Method for improving engine fuel efficiency and energy efficiency |
| US10876062B2 (en) | 2017-03-24 | 2020-12-29 | Exxonmobil Chemical Patents Inc. | Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same |
| CN110573600B (zh) * | 2017-03-24 | 2023-04-11 | 埃克森美孚化学专利公司 | 冷起动模拟机粘度提升基料和含有它们的润滑油制剂 |
| WO2018175046A1 (en) * | 2017-03-24 | 2018-09-27 | Exxonmobil Chemical Patents Inc. | Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same |
| US10858610B2 (en) | 2017-03-24 | 2020-12-08 | Exxonmobil Chemical Patents Inc. | Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same |
| US10808196B2 (en) | 2017-03-28 | 2020-10-20 | Exxonmobil Chemical Patents Inc. | Cold cranking simulator viscosity reducing base stocks and lubricating oil formulations containing the same |
| CN109180488B (zh) * | 2018-09-21 | 2021-08-10 | 太原理工大学 | 一种不对称长链单烷基碳酸酯的合成方法及其应用 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2387999A (en) * | 1943-04-26 | 1945-10-30 | Lubri Zol Corp | Lubrication |
| US2758975A (en) * | 1952-07-02 | 1956-08-14 | Exxon Research Engineering Co | Synthetic lubricants |
| US2915529A (en) * | 1957-04-15 | 1959-12-01 | Jefferson Chem Co Inc | Method for preparing glycerin carbonate |
| US3642858A (en) * | 1969-02-12 | 1972-02-15 | Dow Chemical Co | Carbonate synthesis from alkylene carbonates |
-
1982
- 1982-03-19 IT IT20264/82A patent/IT1150700B/it active
-
1983
- 1983-03-07 EP EP83200320A patent/EP0089709A1/en not_active Withdrawn
- 1983-03-17 NO NO830947A patent/NO830947L/no unknown
- 1983-03-18 DK DK124783A patent/DK124783A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DK124783A (da) | 1983-09-20 |
| EP0089709A1 (en) | 1983-09-28 |
| DK124783D0 (da) | 1983-03-18 |
| IT1150700B (it) | 1986-12-17 |
| IT8220264A0 (it) | 1982-03-19 |
| IT8220264A1 (it) | 1983-09-19 |
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