FR2445369A1 - Procede de preparation d'une composition d'additif pour huile de graissage, compositions d'additifs obtenues par ce procede, et compositions et concentres d'huiles de graissage - Google Patents
Procede de preparation d'une composition d'additif pour huile de graissage, compositions d'additifs obtenues par ce procede, et compositions et concentres d'huiles de graissageInfo
- Publication number
- FR2445369A1 FR2445369A1 FR7931116A FR7931116A FR2445369A1 FR 2445369 A1 FR2445369 A1 FR 2445369A1 FR 7931116 A FR7931116 A FR 7931116A FR 7931116 A FR7931116 A FR 7931116A FR 2445369 A1 FR2445369 A1 FR 2445369A1
- Authority
- FR
- France
- Prior art keywords
- lubricating oil
- compositions
- additive
- carbon
- concentrates
- 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
Classifications
-
- 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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
- C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
-
- 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
-
- 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
- C10M2201/06—Metal compounds
- C10M2201/061—Carbides; Hydrides; Nitrides
-
- 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
- C10M2201/16—Carbon dioxide
-
- 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
- C10M2201/18—Ammonia
-
- 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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/027—Neutral salts thereof
-
- 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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/028—Overbased salts thereof
-
- 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
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
-
- 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
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
-
- 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
- C10M2215/08—Amides
-
- 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
- C10M2215/08—Amides
- C10M2215/082—Amides containing hydroxyl groups; Alkoxylated derivatives
-
- 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
- C10M2215/086—Imides
-
- 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
- C10M2215/26—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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
-
- 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
-
- 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
-
- 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
-
- 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
- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/046—Overbasedsulfonic acid salts
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type compounds
- C10M2219/068—Thiocarbamate metal salts
-
- 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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
-
- 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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/972,760 US4248718A (en) | 1978-12-26 | 1978-12-26 | Overbased lubricating oil additive |
US4460679A | 1979-06-01 | 1979-06-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2445369A1 true FR2445369A1 (fr) | 1980-07-25 |
FR2445369B1 FR2445369B1 (de) | 1983-05-13 |
Family
ID=26721743
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7931116A Granted FR2445369A1 (fr) | 1978-12-26 | 1979-12-19 | Procede de preparation d'une composition d'additif pour huile de graissage, compositions d'additifs obtenues par ce procede, et compositions et concentres d'huiles de graissage |
FR8011932A Expired FR2453890B1 (fr) | 1978-12-26 | 1980-05-29 | Composition fluide et concentre d'huile de graissage contenant un carbamate de metal alcalin ou alcalino-terreux substitue a l'azote par un ou deux groupes hydrocarbylaliphatiques |
FR8011933A Expired FR2453891B1 (fr) | 1978-12-26 | 1980-05-29 | Composition et concentre d'huile de graissage contenant un carbamate de metal alcalin ou alcalino-terreux non substitue ou substitue a l'azote par un groupe amine |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8011932A Expired FR2453890B1 (fr) | 1978-12-26 | 1980-05-29 | Composition fluide et concentre d'huile de graissage contenant un carbamate de metal alcalin ou alcalino-terreux substitue a l'azote par un ou deux groupes hydrocarbylaliphatiques |
FR8011933A Expired FR2453891B1 (fr) | 1978-12-26 | 1980-05-29 | Composition et concentre d'huile de graissage contenant un carbamate de metal alcalin ou alcalino-terreux non substitue ou substitue a l'azote par un groupe amine |
Country Status (9)
Country | Link |
---|---|
AU (1) | AU532696B2 (de) |
BR (1) | BR7908403A (de) |
CA (1) | CA1143719A (de) |
DE (1) | DE2950647C2 (de) |
FR (3) | FR2445369A1 (de) |
GB (2) | GB2039291B (de) |
IT (1) | IT1127292B (de) |
NL (1) | NL185356C (de) |
SE (2) | SE445464B (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2889279A (en) * | 1957-04-24 | 1959-06-02 | Continental Oil Co | Metal-containing organic compositions and method of preparing same |
US3126340A (en) * | 1964-03-24 | Method of increasing alkalinity of com- | ||
US3258426A (en) * | 1964-09-29 | 1966-06-28 | Bray Oil Co | Dispersing colloidal carbonates in oils |
US3451931A (en) * | 1963-12-26 | 1969-06-24 | Exxon Research Engineering Co | Metal-containing detergent-dispersants for lubricants |
US3492230A (en) * | 1966-05-27 | 1970-01-27 | Standard Oil Co | Method of preparing alkaline earth sulfonates of high alkalinity |
US3524814A (en) * | 1966-06-20 | 1970-08-18 | Standard Oil Co | Method of preparing over-based alkaline earth sulfonates |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2580274A (en) * | 1947-03-08 | 1951-12-25 | Shell Dev | Lubricant |
US3634493A (en) * | 1968-04-11 | 1972-01-11 | Rohm & Haas | Oil-soluble azo compounds |
-
1979
- 1979-10-10 CA CA000337338A patent/CA1143719A/en not_active Expired
- 1979-11-05 AU AU52511/79A patent/AU532696B2/en not_active Ceased
- 1979-12-15 DE DE2950647A patent/DE2950647C2/de not_active Expired
- 1979-12-17 SE SE7910374A patent/SE445464B/sv not_active IP Right Cessation
- 1979-12-17 NL NLAANVRAGE7909087,A patent/NL185356C/xx not_active IP Right Cessation
- 1979-12-18 GB GB7943457A patent/GB2039291B/en not_active Expired
- 1979-12-19 FR FR7931116A patent/FR2445369A1/fr active Granted
- 1979-12-19 IT IT28195/79A patent/IT1127292B/it active
- 1979-12-20 BR BR7908403A patent/BR7908403A/pt not_active IP Right Cessation
-
1980
- 1980-05-29 FR FR8011932A patent/FR2453890B1/fr not_active Expired
- 1980-05-29 FR FR8011933A patent/FR2453891B1/fr not_active Expired
-
1982
- 1982-09-21 GB GB08226858A patent/GB2113242B/en not_active Expired
-
1985
- 1985-06-03 SE SE8502737A patent/SE8502737D0/xx not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126340A (en) * | 1964-03-24 | Method of increasing alkalinity of com- | ||
US2889279A (en) * | 1957-04-24 | 1959-06-02 | Continental Oil Co | Metal-containing organic compositions and method of preparing same |
US3451931A (en) * | 1963-12-26 | 1969-06-24 | Exxon Research Engineering Co | Metal-containing detergent-dispersants for lubricants |
US3258426A (en) * | 1964-09-29 | 1966-06-28 | Bray Oil Co | Dispersing colloidal carbonates in oils |
US3492230A (en) * | 1966-05-27 | 1970-01-27 | Standard Oil Co | Method of preparing alkaline earth sulfonates of high alkalinity |
US3524814A (en) * | 1966-06-20 | 1970-08-18 | Standard Oil Co | Method of preparing over-based alkaline earth sulfonates |
Also Published As
Publication number | Publication date |
---|---|
GB2113242B (en) | 1983-12-07 |
GB2039291B (en) | 1983-05-25 |
AU532696B2 (en) | 1983-10-13 |
NL185356B (nl) | 1989-10-16 |
SE8502737L (sv) | 1985-06-03 |
GB2113242A (en) | 1983-08-03 |
AU5251179A (en) | 1980-07-03 |
NL185356C (nl) | 1990-03-16 |
IT7928195A0 (it) | 1979-12-19 |
GB2039291A (en) | 1980-08-06 |
IT1127292B (it) | 1986-05-21 |
FR2445369B1 (de) | 1983-05-13 |
FR2453891A1 (fr) | 1980-11-07 |
FR2453891B1 (fr) | 1985-07-19 |
SE8502737D0 (sv) | 1985-06-03 |
CA1143719A (en) | 1983-03-29 |
FR2453890A1 (fr) | 1980-11-07 |
NL7909087A (nl) | 1980-06-30 |
DE2950647A1 (de) | 1980-07-10 |
DE2950647C2 (de) | 1986-06-26 |
BR7908403A (pt) | 1980-09-23 |
FR2453890B1 (fr) | 1985-07-19 |
SE7910374L (sv) | 1980-06-27 |
SE445464B (sv) | 1986-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |