ES2101538T3 - Fluido base. - Google Patents
Fluido base.Info
- Publication number
- ES2101538T3 ES2101538T3 ES94917657T ES94917657T ES2101538T3 ES 2101538 T3 ES2101538 T3 ES 2101538T3 ES 94917657 T ES94917657 T ES 94917657T ES 94917657 T ES94917657 T ES 94917657T ES 2101538 T3 ES2101538 T3 ES 2101538T3
- Authority
- ES
- Spain
- Prior art keywords
- pct
- alkoxylated
- monohydric
- date dec
- moles
- 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 - Lifetime
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
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- 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
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/30—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/32—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
- C10M107/34—Polyoxyalkylenes
-
- 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
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/24—Polyethers
- C10M145/26—Polyoxyalkylenes
- C10M145/38—Polyoxyalkylenes esterified
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
-
- 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
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/18—Tall oil acids
-
- 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
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/107—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
-
- 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
- C10M2215/26—Amines
-
- 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
- C10N2040/20—Metal working
-
- 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
-
- 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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
- C10N2070/02—Concentrating of additives
Abstract
UN FLUIDO BASE PARA FLUIDOS DE TRABAJO CON EL METAL, QUE CONSTA DE UNA SAL ESTOIQUIOMETRICAMENTE NEUTRAL DEL PRODUCTO DE ESTERIFICACION PARCIAL QUE TIENE UN NUMERO DE ACIDO DE 10-120. PREFERIBLEMENTE 20-100 DE ACIDOS GRASOS POLIMERIZADOS Y UN ALCOHOL ALCOXILADO MONOHIDRICO SELECCIONADO DE: (A) UNA CADENA DIRECTA O RAMIFICADA DE ALCOHOLES C{SUB,1} - C{SUB,24} MONOHIDRICOS SATURADOS, ALCOXILADOS CON 2-25 MOLES DE OXIDO ALQUILENO C{SUB,2} - C{SUB,5}; (B) GLICOL POLI(ALQUILENO)ALCOXI ETERIFICADO CON UNA ALCOHOL MONOHIDRICO ALIFCATICO C{SUB,1} C{SUB,4} QUE ES ALCOXILADO CON 2-25 MOLES DE OXIDO ALQUILENO C{SUB,2} C{SUB,5}; (C) UN ALCOHOL MONOHIDRICO C{SUB,1}C{SUB,24} INSATURADO O SATURADO, DE CADENA DIRECTA O RAMIFICADA ALIFATICO, Y MEZCLAS DEL MISMO, CUYO ESTER PARCIAL SE CONVIERTE A UNA SAL ESTOIQUIOMETRICAMENTE NEUTRAL NEUTRALIZANDOLO MEDIANTE UN HIDROXIDO DE AMONIACO O UN HIDROXIDO DE METAL ALCALI O UNA ALQUIL AMINA O ALCANOL AMINA. TAMBIEN SE MUESTRAN UN METAL ALCALI ESTOIQUIMETRICAMENTE NUETRAL NOVEDOSOS Y SALES ALCANOL AMINAS DE ESTERES PARCIALES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93201574 | 1993-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2101538T3 true ES2101538T3 (es) | 1997-07-01 |
Family
ID=8213862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94917657T Expired - Lifetime ES2101538T3 (es) | 1993-06-02 | 1994-05-11 | Fluido base. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5688750A (es) |
EP (1) | EP0701597B1 (es) |
JP (1) | JP3512414B2 (es) |
AT (1) | ATE150072T1 (es) |
AU (1) | AU676741B2 (es) |
CA (1) | CA2163644C (es) |
DE (1) | DE69402069T2 (es) |
ES (1) | ES2101538T3 (es) |
WO (1) | WO1994028093A1 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2910695B2 (ja) * | 1996-08-30 | 1999-06-23 | 日本電気株式会社 | コスタスループ搬送波再生回路 |
US6060438A (en) * | 1998-10-27 | 2000-05-09 | D. A. Stuart | Emulsion for the hot rolling of non-ferrous metals |
JP2000290676A (ja) * | 1999-04-05 | 2000-10-17 | Idemitsu Kosan Co Ltd | 金属加工油組成物 |
DE10152716C1 (de) * | 2001-10-19 | 2003-07-03 | Byk Chemie Gmbh | Prozesshilfsmittel für die Verarbeitung von Kunststoffmassen |
US6818609B2 (en) | 2002-08-21 | 2004-11-16 | Houghton Technical Corp. | Metal deformation compositions and uses thereof |
WO2004096956A2 (en) * | 2003-04-24 | 2004-11-11 | Ici Americas, Inc. | Low foaming, lubricating, water based emulsions |
WO2008079304A2 (en) | 2006-12-21 | 2008-07-03 | Croda Uniqema, Inc. | Composition and method |
US20100041814A1 (en) * | 2008-08-15 | 2010-02-18 | Cvc Specialty Chemicals, Inc | Methods for preparing toughened epoxy polymer composite systems |
AR075294A1 (es) * | 2008-10-31 | 2011-03-23 | Dow Agrosciences Llc | Control de la dispersion de la pulverizacion de pesticidas con esteres auto emulsificables |
JP6276958B2 (ja) * | 2013-10-02 | 2018-02-07 | 富士フイルム株式会社 | 複合ポリエステル組成物及び潤滑剤 |
JP6218648B2 (ja) * | 2014-03-11 | 2017-10-25 | 富士フイルム株式会社 | 潤滑剤組成物および潤滑剤組成物の製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2570037A (en) * | 1948-08-03 | 1951-10-02 | Standard Oil Dev Co | Esters of aliphatic dibasic acids and ether-alcohols containing a branched chain in the glycol group |
US2755251A (en) * | 1953-07-17 | 1956-07-17 | Atlas Powder Co | Hydraulic fluid compositions |
US2830021A (en) * | 1953-12-28 | 1958-04-08 | Gulf Oil Corp | Lubricant containing an aliphatic amine salt of monoalkyl ester of a dimeric acid |
US3492232A (en) * | 1966-12-09 | 1970-01-27 | Cincinnati Milling Machine Co | Aqueous lubricants for metal working |
US3551335A (en) * | 1969-02-14 | 1970-12-29 | Pennwalt Corp | Metal working lubricants |
US3843535A (en) * | 1970-12-03 | 1974-10-22 | Inst Francais Du Petrole | Lubricating compositions |
FR2169718B1 (es) * | 1971-12-31 | 1974-09-13 | Inst Francais Du Petrole | |
US3912771A (en) * | 1972-08-11 | 1975-10-14 | Rohm & Haas | Alkyl ammonium carboxylate salt-ethoxylated alkyl phenol esters of a dimer or trimer acid |
US3912642A (en) * | 1973-08-01 | 1975-10-14 | Emery Industries Inc | Ester lubricants suitable for use in aqueous systems |
US4172802A (en) * | 1978-05-30 | 1979-10-30 | Cincinnati Milacron Inc. | Aqueous metal working fluid containing carboxylic acid group terminated diesters of polyoxyalkylene diols |
US4359393A (en) * | 1981-03-09 | 1982-11-16 | The Cincinnati Vulcan Company | Water active metalworking lubricant compositions |
-
1994
- 1994-05-11 AT AT94917657T patent/ATE150072T1/de active
- 1994-05-11 ES ES94917657T patent/ES2101538T3/es not_active Expired - Lifetime
- 1994-05-11 WO PCT/EP1994/001634 patent/WO1994028093A1/en active IP Right Grant
- 1994-05-11 JP JP50019195A patent/JP3512414B2/ja not_active Expired - Lifetime
- 1994-05-11 DE DE69402069T patent/DE69402069T2/de not_active Expired - Lifetime
- 1994-05-11 AU AU69293/94A patent/AU676741B2/en not_active Expired
- 1994-05-11 EP EP94917657A patent/EP0701597B1/en not_active Expired - Lifetime
- 1994-05-11 CA CA002163644A patent/CA2163644C/en not_active Expired - Lifetime
- 1994-05-11 US US08/556,933 patent/US5688750A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH08510769A (ja) | 1996-11-12 |
WO1994028093A1 (en) | 1994-12-08 |
EP0701597A1 (en) | 1996-03-20 |
DE69402069D1 (de) | 1997-04-17 |
JP3512414B2 (ja) | 2004-03-29 |
CA2163644A1 (en) | 1994-12-08 |
US5688750A (en) | 1997-11-18 |
AU6929394A (en) | 1994-12-20 |
CA2163644C (en) | 2005-05-03 |
DE69402069T2 (de) | 1997-07-10 |
EP0701597B1 (en) | 1997-03-12 |
AU676741B2 (en) | 1997-03-20 |
ATE150072T1 (de) | 1997-03-15 |
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Legal Events
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