EP0071513A3 - Additives for use as pour point dispersants for middle distillate hydrocarbons, and compositions of middle distillate hydrocarbons containing said additives - Google Patents
Additives for use as pour point dispersants for middle distillate hydrocarbons, and compositions of middle distillate hydrocarbons containing said additives Download PDFInfo
- Publication number
- EP0071513A3 EP0071513A3 EP82401335A EP82401335A EP0071513A3 EP 0071513 A3 EP0071513 A3 EP 0071513A3 EP 82401335 A EP82401335 A EP 82401335A EP 82401335 A EP82401335 A EP 82401335A EP 0071513 A3 EP0071513 A3 EP 0071513A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- additives
- middle distillate
- distillate hydrocarbons
- compositions
- pour point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000654 additive Substances 0.000 title 2
- 229930195733 hydrocarbon Natural products 0.000 title 2
- 150000002430 hydrocarbons Chemical class 0.000 title 2
- 239000002270 dispersing agent Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Lubricants (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8114870A FR2510598A1 (en) | 1981-07-30 | 1981-07-30 | USE OF NITROGEN ADDITIVES AS DISORDERS OF HYDROCARBON MEDIUM DISTILLATE DISORDER POINT AND HYDROCARBON MEDIUM DISTILLATE COMPOSITIONS COMPRISING SUCH ADDITIVES |
FR8114870 | 1981-07-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0071513A2 EP0071513A2 (en) | 1983-02-09 |
EP0071513A3 true EP0071513A3 (en) | 1983-04-27 |
EP0071513B1 EP0071513B1 (en) | 1986-11-20 |
Family
ID=9261024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82401335A Expired EP0071513B1 (en) | 1981-07-30 | 1982-07-16 | Additives for use as pour point dispersants for middle distillate hydrocarbons, and compositions of middle distillate hydrocarbons containing said additives |
Country Status (9)
Country | Link |
---|---|
US (1) | US4652273A (en) |
EP (1) | EP0071513B1 (en) |
JP (1) | JPS58108297A (en) |
CA (1) | CA1192519A (en) |
DE (1) | DE3274368D1 (en) |
DK (1) | DK158993C (en) |
FI (1) | FI75361C (en) |
FR (1) | FR2510598A1 (en) |
NO (1) | NO158142C (en) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0086049B1 (en) * | 1982-02-03 | 1986-12-17 | The Lubrizol Corporation | Compositions for use in alcohol and alcohol containing fuels |
FR2539754A1 (en) * | 1983-01-25 | 1984-07-27 | Inst Francais Du Petrole | Nitrogenous additives usable as cloud point lowering agents for hydrocarbon middle distillates and hydrocarbon middle distillate compositions containing the said additives. |
US5814110A (en) * | 1986-09-24 | 1998-09-29 | Exxon Chemical Patents Inc. | Chemical compositions and use as fuel additives |
US4895578A (en) * | 1987-04-29 | 1990-01-23 | Nalco Chemical Company | Hydrocarbon fuel detergent |
US4863487A (en) * | 1987-04-29 | 1989-09-05 | Nalco Chemical Company | Hydrocarbon fuel detergent |
FR2633638B1 (en) * | 1988-06-29 | 1991-04-19 | Inst Francais Du Petrole | FORMULATIONS OF NITROGEN ADDITIVES FOR ENGINE FUELS AND THE ENGINE FUELS CONTAINING THE SAME |
US4874395A (en) * | 1988-09-02 | 1989-10-17 | Nalco Chemical Company | Amine neutralized alkenylsuccinic anhydride propylene glycol adducts as corrosion inhibitors for hydrocarbon fuels |
US4981493A (en) * | 1989-01-27 | 1991-01-01 | Texaco Inc. | ORI-Inhibited and deposit-resistant motor fuel composition |
US5147414A (en) * | 1989-08-03 | 1992-09-15 | Texaco Inc. | Process for producing ori control additives |
US5122616A (en) * | 1989-09-11 | 1992-06-16 | Ethyl Petroleum Additives, Inc. | Succinimides |
US4997456A (en) * | 1989-09-11 | 1991-03-05 | Ethyl Petroleum Additives, Inc. | Fuel compositions |
US5312555A (en) * | 1990-02-16 | 1994-05-17 | Ethyl Petroleum Additives, Inc. | Succinimides |
US6488723B2 (en) * | 1990-03-05 | 2002-12-03 | Alfred Richard Nelson | Motor fuel additive composition and method for preparation thereof |
ES2081472T3 (en) * | 1990-03-05 | 1996-03-16 | Polar Molecular Corp | COMPOSITION OF ADDITIVE FOR ENGINE FUELS AND METHOD FOR ITS PREPARATION. |
GB2242190A (en) * | 1990-03-24 | 1991-09-25 | Abm Chemicals Limited | Biocidal amines |
FR2699551B1 (en) * | 1992-12-18 | 1995-03-17 | Inst Francais Du Petrole | Formulations containing an amine phosphate and a paraffin germination additive. |
DE69309842T2 (en) * | 1992-10-09 | 1997-10-16 | Elf Antar France | Amine phosphates with an imide end ring, their production and their use as additives for motor fuels |
FR2699550B1 (en) * | 1992-12-17 | 1995-01-27 | Inst Francais Du Petrole | Composition of petroleum middle distillate containing nitrogenous additives usable as agents limiting the rate of sedimentation of paraffins. |
US6860908B2 (en) | 1992-12-17 | 2005-03-01 | Institut Francais du Pétrole | Petroleum middle distillate composition containing a substance for limiting the paraffin sedimentation rate |
FR2792646B1 (en) * | 1999-04-26 | 2001-07-27 | Elf Antar France | COMPOSITION OF MULTI-FUNCTIONAL COLD OPERABILITY ADDITIVES FOR MEDIUM DISTILLATES |
US20090158643A1 (en) * | 2004-06-02 | 2009-06-25 | Polar Molecular Corporation | Motor fuel additive composition |
US20050268537A1 (en) * | 2004-06-02 | 2005-12-08 | Polar Molecular Corporation | Motor fuel additive composition |
US20050268534A1 (en) * | 2004-06-02 | 2005-12-08 | Polar Molecular Corporation | Motor fuel additive composition |
US20050268532A1 (en) * | 2004-06-02 | 2005-12-08 | Polar Molecular Corporation | Motor fuel additive composition |
US20050268533A1 (en) * | 2004-06-02 | 2005-12-08 | Polar Molecular Corporation | Motor fuel additive composition |
US20050268531A1 (en) * | 2004-06-02 | 2005-12-08 | Polar Molecular Corporation | Motor fuel additive composition |
US20090158642A1 (en) * | 2004-06-02 | 2009-06-25 | Polar Molecular Corporation | Motor fuel additive composition |
FR2925909B1 (en) * | 2007-12-26 | 2010-09-17 | Total France | BIFUNCTIONAL ADDITIVES FOR LIQUID HYDROCARBONS OBTAINED BY GRAFTING FROM COPOLYMERS OF ETHYLENE AND / OR PROPYLENE AND VINYL ESTERS |
FR2925916B1 (en) * | 2007-12-28 | 2010-11-12 | Total France | VINYL ETHYLENE / UNSATURATED TERPOLYMER / UNSATURATED ESTERS AS AN ADDITIVE TO ENHANCE COLD LIQUID HYDROCARBONS LIKE MEDIUM DISTILLATES AND FUELS OR COMBUSTIBLES |
FR2940314B1 (en) | 2008-12-23 | 2011-11-18 | Total Raffinage Marketing | GASOLINE FUEL FOR DIESEL ENGINE HAVING HIGH CARBON CONTENT OF RENEWABLE ORIGIN AND OXYGEN |
EP2230226B1 (en) * | 2009-03-18 | 2017-01-18 | Infineum International Limited | Additives for fuel oils |
FR2943678B1 (en) | 2009-03-25 | 2011-06-03 | Total Raffinage Marketing | LOW MOLECULAR WEIGHT (METH) ACRYLIC POLYMERS, FREE FROM SULFUR, METAL AND HALOGEN COMPOUNDS AND LOW RESIDUAL MONOMER RATES, PREPARATION METHOD AND USES THEREOF |
FR2947558B1 (en) | 2009-07-03 | 2011-08-19 | Total Raffinage Marketing | TERPOLYMER AND ETHYLENE / VINYL ACETATE / UNSATURATED ESTERS AS ADDITIVES TO ENHANCE COLD LIQUID HYDROCARBONS LIKE MEDIUM DISTILLATES AND FUELS OR COMBUSTIBLES |
FR2969620B1 (en) | 2010-12-23 | 2013-01-11 | Total Raffinage Marketing | MODIFIED ALKYLPHENOL ALDEHYDE RESINS, THEIR USE AS ADDITIVES IMPROVING THE COLD PROPERTIES OF LIQUID HYDROCARBON FUELS AND FUELS |
FR2971254B1 (en) | 2011-02-08 | 2014-05-30 | Total Raffinage Marketing | LIQUID COMPOSITIONS FOR MARKING LIQUID HYDROCARBON FUELS AND FUELS, FUELS AND FUELS CONTAINING THEM, AND METHOD OF DETECTING MARKERS |
JP2014517818A (en) | 2011-04-13 | 2014-07-24 | ビーエーエスエフ ソシエタス・ヨーロピア | Amine and diamine compounds and their use for reverse flotation of silicates from iron ore |
FR2977895B1 (en) | 2011-07-12 | 2015-04-10 | Total Raffinage Marketing | ADDITIVE COMPOSITIONS ENHANCING STABILITY AND MOTOR PERFORMANCE OF NON-ROAD GASES |
FR2984918B1 (en) | 2011-12-21 | 2014-08-01 | Total Raffinage Marketing | ADDITIVE COMPOSITIONS ENHANCING LACQUERING RESISTANCE OF HIGH-QUALITY DIESEL OR BIODIESEL FUEL |
FR2987052B1 (en) | 2012-02-17 | 2014-09-12 | Total Raffinage Marketing | ADDITIVES ENHANCING WEAR AND LACQUERING RESISTANCE OF GASOLINE OR BIOGAZOLE FUEL |
FR2991992B1 (en) | 2012-06-19 | 2015-07-03 | Total Raffinage Marketing | ADDITIVE COMPOSITIONS AND THEIR USE TO ENHANCE THE COLD PROPERTIES OF FUELS AND FUELS |
US9145340B2 (en) | 2012-08-13 | 2015-09-29 | Verdesian Life Sciences, Llc | Method of reducing atmospheric ammonia in livestock and poultry containment facilities |
FR2994695B1 (en) | 2012-08-22 | 2015-10-16 | Total Raffinage Marketing | ADDITIVES ENHANCING WEAR AND LACQUERING RESISTANCE OF GASOLINE OR BIOGAZOLE FUEL |
US9961922B2 (en) | 2012-10-15 | 2018-05-08 | Verdesian Life Sciences, Llc | Animal feed and/or water amendments for lowering ammonia concentrations in animal excrement |
FR3005061B1 (en) | 2013-04-25 | 2016-05-06 | Total Raffinage Marketing | ADDITIVE FOR IMPROVING THE STABILITY OF OXIDATION AND / OR STORAGE OF LIQUID HYDROCARBON FUELS OR FUELS |
US11254620B2 (en) | 2013-08-05 | 2022-02-22 | Verdesian Life Sciences U.S., Llc | Micronutrient-enhanced polymeric seed coatings |
TW201522390A (en) | 2013-08-27 | 2015-06-16 | 特級肥料產品公司 | Polyanionic polymers |
CA2923561C (en) | 2013-09-05 | 2022-05-03 | Verdesian Life Sciences, Llc | Polymer-boric acid compositions |
FR3017876B1 (en) | 2014-02-24 | 2016-03-11 | Total Marketing Services | COMPOSITION OF ADDITIVES AND PERFORMANCE FUEL COMPRISING SUCH A COMPOSITION |
FR3017875B1 (en) | 2014-02-24 | 2016-03-11 | Total Marketing Services | COMPOSITION OF ADDITIVES AND PERFORMANCE FUEL COMPRISING SUCH A COMPOSITION |
CA2945823C (en) | 2014-05-21 | 2022-04-26 | Verdesian Life Sciences, Llc | Polymer soil treatment compositions including humic acids |
CA2946202C (en) | 2014-05-22 | 2022-06-21 | Verdesian Life Sciences, Llc | Polymeric compositions |
EP3144059A1 (en) | 2015-09-16 | 2017-03-22 | Total Marketing Services | Method for preparing microcapsules by double emulsion |
FR3055135B1 (en) | 2016-08-18 | 2020-01-10 | Total Marketing Services | METHOD FOR MANUFACTURING A LUBRICANT ADDITIVE FOR LOW SULFUR FUEL. |
EP4337748A1 (en) | 2021-05-13 | 2024-03-20 | Ecolab USA, Inc. | Synthetic lubricity additives for hydrocarbon fuels |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1197418A (en) * | 1958-01-07 | 1959-12-01 | Socony Mobil Oil Co Inc | Improved mineral oils and in particular anti-rust oils |
US2982630A (en) * | 1958-12-24 | 1961-05-02 | Socony Mobil Oil Co Inc | N-alkanol succinamic acid deicer |
US3035907A (en) * | 1956-06-14 | 1962-05-22 | Gulf Research Development Co | Hydrocarbon composition containing an itaconic acid-amine reaction product |
US3046102A (en) * | 1958-10-06 | 1962-07-24 | Socony Mobil Oil Co Inc | Stabilized distillate fuel oil |
US3068082A (en) * | 1957-08-15 | 1962-12-11 | Monsanto Chemicals | Rust inhibited hydrocarbon fuel |
US3172853A (en) * | 1965-03-09 | Chs chj x c chax c chx | ||
FR1416295A (en) * | 1963-12-05 | 1965-10-29 | Armour & Co | Motor fuels |
GB1021183A (en) * | 1961-08-18 | 1966-03-02 | Lubrizol Corp | Oil-soluble nitrogen-containing products and process for preparing same |
US3444082A (en) * | 1966-02-07 | 1969-05-13 | Chevron Res | Acid-amide pour point depressants |
FR2018439A1 (en) * | 1968-09-19 | 1970-05-29 | Exxon Research Engineering Co | |
FR2095403A5 (en) * | 1969-12-10 | 1972-02-11 | Inst Francais Du Petrole | |
US3905781A (en) * | 1972-10-30 | 1975-09-16 | Texaco Inc | Carburetor detergent and corrosion inhibiting motor fuel compositions |
FR2354346A1 (en) * | 1976-06-07 | 1978-01-06 | Texaco Development Corp | LUBRICATING OIL COMPOSITION |
US4144036A (en) * | 1978-03-27 | 1979-03-13 | Texaco Inc. | Detergent fuel composition |
US4234435A (en) * | 1979-02-23 | 1980-11-18 | The Lubrizol Corporation | Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation |
EP0034968A1 (en) * | 1980-02-15 | 1981-09-02 | Institut Français du Pétrole | N-substituted succinimides, their preparation and their use as additives for fuels |
US4326987A (en) * | 1980-02-25 | 1982-04-27 | Petrolite Corporation | Reaction products of alkyl and alkenyl succinic acids and ether diamines |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3018173A (en) * | 1957-04-26 | 1962-01-23 | Universal Oil Prod Co | Stabilization of hydrocarbons |
FR1318311A (en) * | 1961-03-31 | 1963-02-15 | California Research Corp | New polyamide detergent and set point lowering for lubricants and fuels |
US3272746A (en) * | 1965-11-22 | 1966-09-13 | Lubrizol Corp | Lubricating composition containing an acylated nitrogen compound |
US3681038A (en) * | 1970-03-09 | 1972-08-01 | Universal Oil Prod Co | Middle distillate |
US3877888A (en) * | 1970-03-09 | 1975-04-15 | Universal Oil Prod Co | Middle distillate |
FR2178775A1 (en) * | 1972-04-06 | 1973-11-16 | Texaco Development Corp | Asparagine deriv gasoline additive - inhibiting and removing carburettor deposits |
GB1469512A (en) * | 1973-07-05 | 1977-04-06 | Dunlop Ltd | Assembly of a wheel rim a pneumatic tyre and means for en closing lubricant within the inflation chamber of the tyre |
US3974526A (en) * | 1973-07-06 | 1976-08-17 | Dardik Irving I | Vascular prostheses and process for producing the same |
US3955940A (en) * | 1975-01-06 | 1976-05-11 | Exxon Research And Engineering Company | Middle distillate petroleum oils containing cold flow improving additives |
IL47062A (en) * | 1975-04-10 | 1979-07-25 | Yeda Res & Dev | Process for diminishing antigenicity of tissues to be usedas transplants by treatment with glutaraldehyde |
US4177041A (en) * | 1978-09-22 | 1979-12-04 | Texaco Inc. | Carburetor detergents |
DE3274257D1 (en) * | 1981-09-01 | 1987-01-02 | Lubrizol Corp | Acylated ether amine and lubricants and fuels containing the same |
FR2528066A1 (en) * | 1982-06-04 | 1983-12-09 | Inst Francais Du Petrole | NITROGEN ADDITIVES FOR USE AS HYDROCARBON MOISTURE DISTILLATE DISORDER DISORDERS AND HYDROCARBON MEAL DISTILLATE COMPOSITIONS COMPRISING THE SAME |
-
1981
- 1981-07-30 FR FR8114870A patent/FR2510598A1/en active Granted
-
1982
- 1982-07-16 EP EP82401335A patent/EP0071513B1/en not_active Expired
- 1982-07-16 DE DE8282401335T patent/DE3274368D1/en not_active Expired
- 1982-07-28 DK DK337682A patent/DK158993C/en not_active IP Right Cessation
- 1982-07-28 NO NO822591A patent/NO158142C/en not_active IP Right Cessation
- 1982-07-30 FI FI822674A patent/FI75361C/en not_active IP Right Cessation
- 1982-07-30 CA CA000408447A patent/CA1192519A/en not_active Expired
- 1982-07-30 JP JP57134636A patent/JPS58108297A/en active Granted
-
1985
- 1985-05-23 US US06/737,133 patent/US4652273A/en not_active Expired - Lifetime
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3172853A (en) * | 1965-03-09 | Chs chj x c chax c chx | ||
US3035907A (en) * | 1956-06-14 | 1962-05-22 | Gulf Research Development Co | Hydrocarbon composition containing an itaconic acid-amine reaction product |
US3068082A (en) * | 1957-08-15 | 1962-12-11 | Monsanto Chemicals | Rust inhibited hydrocarbon fuel |
FR1197418A (en) * | 1958-01-07 | 1959-12-01 | Socony Mobil Oil Co Inc | Improved mineral oils and in particular anti-rust oils |
US3046102A (en) * | 1958-10-06 | 1962-07-24 | Socony Mobil Oil Co Inc | Stabilized distillate fuel oil |
US2982630A (en) * | 1958-12-24 | 1961-05-02 | Socony Mobil Oil Co Inc | N-alkanol succinamic acid deicer |
GB1021183A (en) * | 1961-08-18 | 1966-03-02 | Lubrizol Corp | Oil-soluble nitrogen-containing products and process for preparing same |
FR1416295A (en) * | 1963-12-05 | 1965-10-29 | Armour & Co | Motor fuels |
US3444082A (en) * | 1966-02-07 | 1969-05-13 | Chevron Res | Acid-amide pour point depressants |
FR2018439A1 (en) * | 1968-09-19 | 1970-05-29 | Exxon Research Engineering Co | |
FR2095403A5 (en) * | 1969-12-10 | 1972-02-11 | Inst Francais Du Petrole | |
US3905781A (en) * | 1972-10-30 | 1975-09-16 | Texaco Inc | Carburetor detergent and corrosion inhibiting motor fuel compositions |
FR2354346A1 (en) * | 1976-06-07 | 1978-01-06 | Texaco Development Corp | LUBRICATING OIL COMPOSITION |
US4144036A (en) * | 1978-03-27 | 1979-03-13 | Texaco Inc. | Detergent fuel composition |
US4234435A (en) * | 1979-02-23 | 1980-11-18 | The Lubrizol Corporation | Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation |
EP0034968A1 (en) * | 1980-02-15 | 1981-09-02 | Institut Français du Pétrole | N-substituted succinimides, their preparation and their use as additives for fuels |
US4326987A (en) * | 1980-02-25 | 1982-04-27 | Petrolite Corporation | Reaction products of alkyl and alkenyl succinic acids and ether diamines |
Also Published As
Publication number | Publication date |
---|---|
NO158142C (en) | 1988-07-20 |
FI822674A0 (en) | 1982-07-30 |
DK158993C (en) | 1991-01-21 |
DE3274368D1 (en) | 1987-01-08 |
FI822674L (en) | 1983-01-31 |
FR2510598B1 (en) | 1985-01-18 |
FR2510598A1 (en) | 1983-02-04 |
EP0071513A2 (en) | 1983-02-09 |
FI75361B (en) | 1988-02-29 |
US4652273A (en) | 1987-03-24 |
JPH0251478B2 (en) | 1990-11-07 |
EP0071513B1 (en) | 1986-11-20 |
DK158993B (en) | 1990-08-13 |
JPS58108297A (en) | 1983-06-28 |
NO822591L (en) | 1983-01-31 |
CA1192519A (en) | 1985-08-27 |
NO158142B (en) | 1988-04-11 |
FI75361C (en) | 1988-06-09 |
DK337682A (en) | 1983-01-31 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): BE DE GB IT LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
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