CA1337292C - Method of and compositions for reducing wear on surfaces subjected to frictional forces - Google Patents
Method of and compositions for reducing wear on surfaces subjected to frictional forcesInfo
- Publication number
- CA1337292C CA1337292C CA000599824A CA599824A CA1337292C CA 1337292 C CA1337292 C CA 1337292C CA 000599824 A CA000599824 A CA 000599824A CA 599824 A CA599824 A CA 599824A CA 1337292 C CA1337292 C CA 1337292C
- Authority
- CA
- Canada
- Prior art keywords
- heteropolar
- compound
- carrier
- composition
- molecule
- 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.)
- Expired - Fee Related
Links
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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
-
- 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
- C10L1/232—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring
-
- 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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/40—Lubricating compositions characterised by the base-material being a macromolecular compound containing nitrogen
- C10M107/44—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
-
- 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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/40—Six-membered ring containing nitrogen and carbon only
-
- 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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- 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
- C10M173/00—Lubricating compositions containing more than 10% water
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/02—Water
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
- C10M2215/226—Morpholines
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/30—Heterocyclic compounds
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/0403—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds used as base material
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/041—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds involving a condensation reaction
- C10M2217/0415—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds involving a condensation reaction used as base material
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/042—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds between the nitrogen-containing monomer and an aldehyde or ketone
- C10M2217/0425—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds between the nitrogen-containing monomer and an aldehyde or ketone used as base material
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/043—Mannich bases
- C10M2217/0435—Mannich bases used as base material
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/044—Polyamides
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/044—Polyamides
- C10M2217/0443—Polyamides used as base material
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/045—Polyureas; Polyurethanes
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/045—Polyureas; Polyurethanes
- C10M2217/0453—Polyureas; Polyurethanes used as base material
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/046—Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
- C10M2217/0465—Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers used as base material
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/01—Emulsions, colloids, or micelles
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Lubricants (AREA)
- Magnetic Record Carriers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888811696A GB8811696D0 (en) | 1988-05-18 | 1988-05-18 | Method of reducing friction & wear between bodies in relative motion |
GB8811696.7 | 1988-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1337292C true CA1337292C (en) | 1995-10-10 |
Family
ID=10637071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000599824A Expired - Fee Related CA1337292C (en) | 1988-05-18 | 1989-05-16 | Method of and compositions for reducing wear on surfaces subjected to frictional forces |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0420868B1 (hu) |
JP (1) | JPH03504252A (hu) |
KR (1) | KR900701977A (hu) |
AU (1) | AU622912B2 (hu) |
CA (1) | CA1337292C (hu) |
DE (1) | DE68909236T2 (hu) |
DK (1) | DK274090A (hu) |
ES (1) | ES2017252A6 (hu) |
FI (1) | FI905592A0 (hu) |
GB (1) | GB8811696D0 (hu) |
HU (1) | HU209491B (hu) |
IE (1) | IE61949B1 (hu) |
NO (1) | NO302300B1 (hu) |
NZ (1) | NZ229188A (hu) |
WO (1) | WO1989011518A2 (hu) |
ZA (1) | ZA893729B (hu) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2416172B (en) * | 2004-07-13 | 2009-04-22 | Alan Edwin Jemmett | Rapeseed oil lubricant |
HU228573B1 (hu) * | 2010-04-12 | 2013-04-29 | Jozsef Dr Fodor | Növényi olajok kopást csökkentõ kenéstechnológiai alkalmazása |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2030033A (en) | 1933-06-10 | 1936-02-04 | Standard Oil Co | Treatment of cracked petroleum distillates |
US3078228A (en) * | 1959-11-06 | 1963-02-19 | Houghton & Co E F | Imide compounds and lubricants containing the same |
ES338687A1 (es) * | 1966-04-06 | 1968-04-01 | Monsanto Co | Procedimiento para obtener composiciones de fluidos funcio-nales. |
GB1209919A (en) * | 1967-07-21 | 1970-10-21 | Geigy Uk Ltd | Substituted benzotriazoles and the use thereof as metal deactivators |
US3779920A (en) * | 1971-02-05 | 1973-12-18 | Atlantic Richfield Co | Lubricating oil composition |
FR2249879A1 (en) * | 1973-11-06 | 1975-05-30 | Poudres & Explosifs Ste Nale | 2,3-Dialkoxy-quinoxalines - for use as thermally stable lubricant base oils |
US4075111A (en) * | 1976-04-19 | 1978-02-21 | Hughes Aircraft Company | Heavy metal chalcogenide-polyimide lubricative composites |
SU939527A1 (ru) | 1980-05-22 | 1982-06-30 | Особое Конструкторско-Технологическое Бюро Специального Материаловедения При Новочеркасском Политехническом Институте | Металлоплакирующа смазка |
US4392968A (en) * | 1980-08-13 | 1983-07-12 | Nippon Oil Company, Limited | Metal deactivator and composition containing same |
US4295861A (en) * | 1980-10-24 | 1981-10-20 | Phillips Petroleum Company | Motor fuel |
US4367152A (en) * | 1981-07-02 | 1983-01-04 | Exxon Research And Engineering Co. | Selected heteroaromatic nitrogen compounds as antioxidant/metal deactivators/electrical insulators in lubricating oils and petroleum liquid fuels |
JPS58225196A (ja) * | 1982-06-24 | 1983-12-27 | Nippon Mining Co Ltd | デイ−ゼルエンジン用潤滑油 |
DE3232921A1 (de) * | 1982-09-04 | 1984-03-08 | Basf Ag, 6700 Ludwigshafen | Inhibitoren gegen die korrosion von co(pfeil abwaerts)2(pfeil abwaerts) und h(pfeil abwaerts)2(pfeil abwaerts)s in wasser-in-oel-emulsionen |
EP0168534A3 (en) * | 1984-04-27 | 1986-10-22 | Exxon Research And Engineering Company | Dialkylaromatic and hydrogenated dialkylaromatic synthetic lubricating and specialty oils |
US4784782A (en) * | 1986-03-27 | 1988-11-15 | The Lubrizol Corporation | Heterocyclic compounds useful as additives for lubricant and fuel compositions |
CA1284488C (en) * | 1986-04-14 | 1991-05-28 | Morton Beltzer | Ashless anti-wear additives |
-
1988
- 1988-05-18 GB GB888811696A patent/GB8811696D0/en active Pending
-
1989
- 1989-05-16 CA CA000599824A patent/CA1337292C/en not_active Expired - Fee Related
- 1989-05-17 HU HU893619A patent/HU209491B/hu unknown
- 1989-05-17 IE IE158889A patent/IE61949B1/en not_active IP Right Cessation
- 1989-05-17 WO PCT/GB1989/000530 patent/WO1989011518A2/en active IP Right Grant
- 1989-05-17 KR KR1019900700080A patent/KR900701977A/ko active IP Right Grant
- 1989-05-17 ES ES8901653A patent/ES2017252A6/es not_active Expired - Lifetime
- 1989-05-17 JP JP1505615A patent/JPH03504252A/ja active Pending
- 1989-05-17 AU AU36977/89A patent/AU622912B2/en not_active Ceased
- 1989-05-17 EP EP89906387A patent/EP0420868B1/en not_active Expired - Lifetime
- 1989-05-17 DE DE89906387T patent/DE68909236T2/de not_active Expired - Fee Related
- 1989-05-18 ZA ZA893729A patent/ZA893729B/xx unknown
- 1989-05-18 NZ NZ229188A patent/NZ229188A/en unknown
-
1990
- 1990-11-12 FI FI905592A patent/FI905592A0/fi not_active Application Discontinuation
- 1990-11-14 NO NO904941A patent/NO302300B1/no unknown
- 1990-11-16 DK DK274090A patent/DK274090A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO904941D0 (no) | 1990-11-14 |
DK274090D0 (da) | 1990-11-16 |
DE68909236D1 (de) | 1993-10-21 |
EP0420868B1 (en) | 1993-09-15 |
NO904941L (no) | 1990-11-14 |
ES2017252A6 (es) | 1991-01-16 |
HUT56389A (en) | 1991-08-28 |
IE891588L (en) | 1989-11-18 |
WO1989011518A3 (en) | 1990-02-08 |
EP0420868A1 (en) | 1991-04-10 |
NZ229188A (en) | 1991-04-26 |
GB8811696D0 (en) | 1988-06-22 |
DE68909236T2 (de) | 1994-03-17 |
HU209491B (en) | 1994-06-28 |
ZA893729B (en) | 1991-01-30 |
AU622912B2 (en) | 1992-04-30 |
NO302300B1 (no) | 1998-02-16 |
WO1989011518A2 (en) | 1989-11-30 |
JPH03504252A (ja) | 1991-09-19 |
AU3697789A (en) | 1989-12-12 |
FI905592A0 (fi) | 1990-11-12 |
HU893619D0 (en) | 1991-05-28 |
KR900701977A (ko) | 1990-12-05 |
DK274090A (da) | 1990-11-16 |
IE61949B1 (en) | 1994-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |