NL193055C - Oppervlakte-actieve samenstelling, alsmede werkwijze voor het dispergeren van olievlekken. - Google Patents
Oppervlakte-actieve samenstelling, alsmede werkwijze voor het dispergeren van olievlekken. Download PDFInfo
- Publication number
- NL193055C NL193055C NL8203729A NL8203729A NL193055C NL 193055 C NL193055 C NL 193055C NL 8203729 A NL8203729 A NL 8203729A NL 8203729 A NL8203729 A NL 8203729A NL 193055 C NL193055 C NL 193055C
- Authority
- NL
- Netherlands
- Prior art keywords
- mixture
- composition
- weight
- solvent
- glycol
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 137
- 239000004094 surface-active agent Substances 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000002904 solvent Substances 0.000 claims description 33
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 23
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 11
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 11
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 10
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- 150000004665 fatty acids Chemical class 0.000 claims description 10
- 239000001593 sorbitan monooleate Substances 0.000 claims description 9
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 9
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 6
- 239000007859 condensation product Substances 0.000 claims description 6
- 159000000011 group IA salts Chemical class 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- -1 polyoxyethylene Polymers 0.000 claims description 6
- 239000003125 aqueous solvent Substances 0.000 claims description 5
- 239000011877 solvent mixture Substances 0.000 claims description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 150000001346 alkyl aryl ethers Chemical group 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- CKVCJXCLQZTFQC-UHFFFAOYSA-N 4-(3-ethyloctan-3-yloxy)-4-oxo-3-sulfobutanoic acid Chemical compound CCCCCC(CC)(CC)OC(=O)C(S(O)(=O)=O)CC(O)=O CKVCJXCLQZTFQC-UHFFFAOYSA-N 0.000 claims 1
- 238000010907 mechanical stirring Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000003039 volatile agent Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 25
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 22
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003924 oil dispersant Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- KBPCCVWUMVGXGF-UHFFFAOYSA-N 2,6-dimethylheptane Chemical compound CC(C)CCCC(C)C KBPCCVWUMVGXGF-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- DMEGYFMYUHOHGS-UHFFFAOYSA-N cycloheptane Chemical compound C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 2
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 2
- 150000002148 esters Chemical class 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
- 238000009472 formulation Methods 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000053 low toxicity Toxicity 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N methyl undecanoic acid Natural products CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N n-hexadecanoic acid Natural products CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 2
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- HNSDLXPSAYFUHK-UHFFFAOYSA-N 1,4-bis(2-ethylhexyl) sulfosuccinate Chemical compound CCCCC(CC)COC(=O)CC(S(O)(=O)=O)C(=O)OCC(CC)CCCC HNSDLXPSAYFUHK-UHFFFAOYSA-N 0.000 description 1
- HHOSMYBYIHNXNO-UHFFFAOYSA-N 2,2,5-trimethylhexane Chemical compound CC(C)CCC(C)(C)C HHOSMYBYIHNXNO-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 description 1
- XMROPFQWHHUFFS-UHFFFAOYSA-N 4-ethylheptane Chemical compound CCCC(CC)CCC XMROPFQWHHUFFS-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 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
- 239000004533 oil dispersion Substances 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000002889 oleic acids Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/32—Materials not provided for elsewhere for absorbing liquids to remove pollution, e.g. oil, gasoline, fat
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/682—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of chemical compounds for dispersing an oily layer on water
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
- C09K23/017—Mixtures of compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8120118 | 1981-10-27 | ||
| FR8120118A FR2515062B1 (fr) | 1981-10-27 | 1981-10-27 | Compositions tensio-actives pour la dispersion de nappes d'huile et methode de traitement et de dispersion de celles-ci |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL8203729A NL8203729A (nl) | 1983-05-16 |
| NL193055B NL193055B (nl) | 1998-05-06 |
| NL193055C true NL193055C (nl) | 1998-09-08 |
Family
ID=9263418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8203729A NL193055C (nl) | 1981-10-27 | 1982-09-27 | Oppervlakte-actieve samenstelling, alsmede werkwijze voor het dispergeren van olievlekken. |
Country Status (11)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2582314A1 (fr) * | 1985-05-24 | 1986-11-28 | Raffinage Cie Francaise | Compositions de dispersant d'hydrocarbures repandus sur l'eau |
| FR2601885B1 (fr) * | 1986-07-24 | 1988-11-04 | Labofina Sa | Compositions dispersantes pour le traitement de nappes d'huile a la surface de l'eau |
| DE69022285T2 (de) * | 1989-05-15 | 1996-03-14 | Fina Research | Dispergiermittelgemische für die Behandlung von Ölflecken auf kaltem Wasser. |
| ES2050601B1 (es) * | 1992-06-10 | 1994-12-16 | Espanola Explosivos | Procedimiento para la ruptura de emulsiones explosivas. |
| EP0618000B1 (en) * | 1992-08-06 | 1996-03-20 | Air Products And Chemicals, Inc. | Water soluble surfactant compositions |
| WO1994013397A1 (en) * | 1992-12-15 | 1994-06-23 | Exxon Research And Engineering Co. | Chemical dispersant for oil spills |
| US5531939A (en) * | 1994-03-23 | 1996-07-02 | Amway Corporation | Concentrated glass and window cleaning composition and method of use |
| AU2941799A (en) * | 1998-03-05 | 1999-09-20 | Lundin Investments (Proprietary) Limited | A composition for mixing oil and water to form a solution |
| EA201301026A1 (ru) * | 2011-04-13 | 2014-08-29 | Мэн Ойл Груп Аг | Концентрат на основе эмульгаторов и его применение для обработки загрязнений нефтяными продуктами |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL169567B (nl) * | 1968-04-04 | Confon Ag | Kaartenregister. | |
| DE1911943C3 (de) * | 1968-04-04 | 1979-06-07 | Exxon Research And Engineering Co., Linden, N.J. (V.St.A.) | Verwendung einer Mischung aus Sorbitanmonoacylat und Polyoxyalkylensorbitanmonoacylat zum Dispergieren von ölschlamm auf Wasseroberflächen |
| US3793218A (en) * | 1971-06-15 | 1974-02-19 | Exxon Research Engineering Co | Oil slick dispersant and method |
| US3959134A (en) * | 1974-03-19 | 1976-05-25 | Exxon Research And Engineering Company | Oil collection agents and their use in containing oil slicks |
| FR2413460A1 (fr) * | 1977-12-28 | 1979-07-27 | Labofina Sa | Composition tensio active, notamment pour la dispersion de nappes d'huile |
| FR2479251A1 (fr) * | 1980-03-28 | 1981-10-02 | Labofina Sa | Methode pour disperser les nappes d'huile a la surface de l'eau et compositions dispersantes utilisees a cet effet |
-
1981
- 1981-10-27 FR FR8120118A patent/FR2515062B1/fr not_active Expired
-
1982
- 1982-09-07 GR GR69217A patent/GR77644B/el unknown
- 1982-09-14 ES ES515691A patent/ES515691A0/es active Granted
- 1982-09-20 PT PT75580A patent/PT75580B/pt unknown
- 1982-09-27 NL NL8203729A patent/NL193055C/nl not_active IP Right Cessation
- 1982-09-27 DE DE19823235705 patent/DE3235705A1/de active Granted
- 1982-09-27 DK DK427682A patent/DK156543C/da not_active IP Right Cessation
- 1982-09-29 NO NO823277A patent/NO155755C/no not_active IP Right Cessation
- 1982-09-29 SE SE8205549A patent/SE457059B/sv not_active IP Right Cessation
- 1982-09-30 IT IT23524/82A patent/IT1163007B/it active
- 1982-10-11 GB GB08228995A patent/GB2108951B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES8402514A1 (es) | 1984-03-01 |
| DE3235705C2 (enrdf_load_stackoverflow) | 1992-01-16 |
| DK156543B (da) | 1989-09-11 |
| DK156543C (da) | 1990-02-12 |
| GR77644B (enrdf_load_stackoverflow) | 1984-09-25 |
| GB2108951B (en) | 1985-01-30 |
| NO155755C (no) | 1987-05-27 |
| SE457059B (sv) | 1988-11-28 |
| ES515691A0 (es) | 1984-03-01 |
| NL8203729A (nl) | 1983-05-16 |
| DE3235705A1 (de) | 1983-05-05 |
| NO823277L (no) | 1983-04-28 |
| GB2108951A (en) | 1983-05-25 |
| IT8223524A0 (it) | 1982-09-30 |
| FR2515062A1 (fr) | 1983-04-29 |
| SE8205549L (sv) | 1983-04-28 |
| IT1163007B (it) | 1987-04-08 |
| NO155755B (no) | 1987-02-16 |
| DK427682A (da) | 1983-04-28 |
| SE8205549D0 (sv) | 1982-09-29 |
| PT75580B (en) | 1985-05-31 |
| FR2515062B1 (fr) | 1986-04-04 |
| PT75580A (en) | 1982-10-01 |
| NL193055B (nl) | 1998-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V4 | Discontinued because of reaching the maximum lifetime of a patent |
Free format text: 20020927 |