EP0272575B2 - Esters de polyols neutres ayant une viscosité élevée - Google Patents

Esters de polyols neutres ayant une viscosité élevée Download PDF

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Publication number
EP0272575B2
EP0272575B2 EP87118481A EP87118481A EP0272575B2 EP 0272575 B2 EP0272575 B2 EP 0272575B2 EP 87118481 A EP87118481 A EP 87118481A EP 87118481 A EP87118481 A EP 87118481A EP 0272575 B2 EP0272575 B2 EP 0272575B2
Authority
EP
European Patent Office
Prior art keywords
acids
class
acid
dipentaerythritol
polyol esters
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
Application number
EP87118481A
Other languages
German (de)
English (en)
Other versions
EP0272575A3 (en
EP0272575A2 (fr
EP0272575B1 (fr
Inventor
Karl-Heinz Dr. Schmid
Uwe Dr. Ploog
Alfred Dr. Meffert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Personal Care and Nutrition GmbH
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6316900&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0272575(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0272575A2 publication Critical patent/EP0272575A2/fr
Publication of EP0272575A3 publication Critical patent/EP0272575A3/de
Publication of EP0272575B1 publication Critical patent/EP0272575B1/fr
Application granted granted Critical
Publication of EP0272575B2 publication Critical patent/EP0272575B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/42—Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic 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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/38—Esters of polyhydroxy 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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/40—Esters containing free hydroxy or carboxyl 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • 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
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic 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
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic 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
    • C10M2207/283—Esters of polyhydroxy 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/286—Esters of polymerised unsaturated acids
    • 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
    • C10N2040/02—Bearings
    • 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
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids

Definitions

  • the invention relates to the use of the new synthetic polyol esters for the production of temperature-resistant gear and hydraulic oils as well as lubricating oil dispersions and / or lubricating greases.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Claims (6)

  1. Esters de polyols synthétiques ayant des propriétés d'huile de graissage à base de produit d'estérification essentiellement neutres de dipentaérythrite avec des acides monocarboxyliques ramifiés et des acides carboxyliques choisis, caractérisés en ce que la dipentaérythrite est estérifiée par :
    a) des acides gras ramifiés dans la zone de chaîne carbonée allant de C₈ à C₁₆ (acides de la classe A), et,
    b) des acides gras linéaires dans la zone de chaîne carbonée allant de C₈ à C₁₄ (acides de la classe B)
    et pour cela renferme inclus par condensation en supplément des quantités limitées d'acides di- et/ou tricarboxyliques dans la zone des chaînes carbonées allant de C₆ à C₅₄ (acides de la classe C).
  2. Esters de polyols synthétiques selon la revendication 1, caractérisé en ce que comme acides di- et/ou tricarboxyliques on met en oeuvre de l'acide adipique et/ou des acides gras di- ou trimères.
  3. Esters de polyols synthétiques selon les revendications 1 et 2, caractérisés en ce que les restes acides dans le polyester se présentent dans les rapports équivalents suivants, à chaque fois rapporté aux six équivalents hydroxyle de la dipentaérythrite pour des rapports au moins stoechiométriques des groupes hydroxyle/acide, 4 à 5,8 équivalents de mélanges d'acides des classes A et B avec 0,2 à 2 équivalents d'acides de la classe C, dans lesquels dans le polyester les rapports en équivalents se situent de 1 à 4 équivalents en radicaux acide de classe A pour 2 à 5 équivalents en radicaux acide de classe B.
  4. Esters de polyols synthétiques selon les revendications 1 à 3, caractérisés en ce qu'ils possèdent un indice d'HO allant jusqu'à 25 pour un excès de dipentaérythrite, allant jusqu'à 0,2 mol/mol de dipentaérithrite pleinement estérifiée.
  5. Esters de polyols synthétiques selon les revendications 1 à 4, caractérisés en ce qu'ils possèdent des valeurs de viscosité à 40°C dans la zone allant de 50 à 1000 mm²/s et des points de solidification dans la zone allant de 0° à -30°C.
  6. Utilisation des esters de polyols synthétiques selon les revendications 1 à 5 pour la fabrication de dispersions d'huile de graissage et/ou de graisses de lubrification que l'on peut soumettre à des contraintes thermiques.
EP87118481A 1986-12-22 1987-12-14 Esters de polyols neutres ayant une viscosité élevée Expired - Lifetime EP0272575B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3643935A DE3643935C2 (de) 1986-12-22 1986-12-22 Synthetische Polyolester
DE3643935 1986-12-22

Publications (4)

Publication Number Publication Date
EP0272575A2 EP0272575A2 (fr) 1988-06-29
EP0272575A3 EP0272575A3 (en) 1989-08-09
EP0272575B1 EP0272575B1 (fr) 1992-09-16
EP0272575B2 true EP0272575B2 (fr) 1995-12-13

Family

ID=6316900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118481A Expired - Lifetime EP0272575B2 (fr) 1986-12-22 1987-12-14 Esters de polyols neutres ayant une viscosité élevée

Country Status (9)

Country Link
US (1) US5057247A (fr)
EP (1) EP0272575B2 (fr)
JP (1) JP2661927B2 (fr)
AT (1) ATE80607T1 (fr)
BR (1) BR8706979A (fr)
CA (1) CA1317974C (fr)
DE (2) DE3643935C2 (fr)
ES (1) ES2052537T5 (fr)
MX (1) MX169267B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7018558B2 (en) 1999-06-09 2006-03-28 Cognis Corporation Method of improving performance of refrigerant systems

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950005694B1 (ko) * 1989-07-05 1995-05-29 가부시끼가이샤 교오세끼 세이힝기주쓰 겡뀨쇼 냉각윤활제
DE3927155A1 (de) * 1989-08-17 1991-02-21 Henkel Kgaa Umweltfreundliches grundoel fuer die formulierung von hydraulikoelen
JP2967574B2 (ja) * 1990-11-16 1999-10-25 株式会社日立製作所 冷凍装置
US20030104956A1 (en) * 1994-04-28 2003-06-05 Schaefer Thomas G. Synthetic lubricant base stock formed from high content branched chain acid mixtures
EP0518567B1 (fr) * 1991-06-07 2000-09-13 Hatco Corporation Base lubrifiante synthétique formée à partir de mélanges d'acides dont une grande partie à chaínes ramifiées
JP3001679B2 (ja) * 1991-07-19 2000-01-24 出光興産株式会社 ２サイクルエンジンまたはロータリーエンジン用潤滑油組成物
DE4214653A1 (de) * 1992-05-02 1993-11-04 Henkel Kgaa Motorengrundoele mit verbesserter dichtungsvertraeglichkeit
ATE184310T1 (de) * 1992-06-03 1999-09-15 Henkel Corp Polyol/ester-gemisch als schmiermittel für wärmeträgerflüssigkeiten in kälteanlagen
DE69231364T2 (de) 1992-06-03 2001-04-05 Henkel Corp., Gulph Mills Schmiermittel auf basis von polyolester für kälteübertragungsmittel
US6183662B1 (en) 1992-06-03 2001-02-06 Henkel Corporation Polyol ester lubricants, especially those compatible with mineral oils, for refrigerating compressors operating at high temperatures
CA2137263C (fr) * 1992-06-03 2003-10-14 Nicholas E. Schnur Lubrifiants a base de polyol pour compresseurs frigorifiques fonctionnant a haute temperature
US5976399A (en) 1992-06-03 1999-11-02 Henkel Corporation Blended polyol ester lubricants for refrigerant heat transfer fluids
JP2613526B2 (ja) * 1992-07-04 1997-05-28 花王株式会社 冷凍機作動流体用組成物
EP0656931A4 (fr) * 1992-08-28 1997-05-02 Henkel Corp Compositions biodegradables d'huile pour moteurs a deux temps et matieres a base d'esters.
US6656888B1 (en) * 1992-08-28 2003-12-02 Cognis Corporation Biodegradable two-cycle engine oil compositions, grease compositions, and ester base stocks use therein
US5853609A (en) * 1993-03-10 1998-12-29 Henkel Corporation Polyol ester lubricants for hermetically sealed refrigerating compressors
DE4308102A1 (de) * 1993-03-15 1994-09-22 Henkel Kgaa Alkylenverbrückte Polyolether und deren Ester
US5458794A (en) * 1993-09-30 1995-10-17 The Lubrizol Corporation Lubricants containing carboxylic esters from polyhydroxy compounds, suitable for ceramic-containing engines
WO1995032266A1 (fr) * 1994-05-23 1995-11-30 Henkel Corporation Procede pour augmenter la resistivite electrique de lubrifiants bases sur des esters et destines en particulier a une utilisation avec des refrigerants bases sur des hydrocarbures fluores
EP0796308B1 (fr) * 1994-12-08 2001-10-04 ExxonMobil Chemical Patents Inc. Bases constituees d'esters synthetiques ramifies biodegradables et lubrifiants fabriques a partir d'elles
US5665686A (en) * 1995-03-14 1997-09-09 Exxon Chemical Patents Inc. Polyol ester compositions with unconverted hydroxyl groups
TW349119B (en) * 1996-04-09 1999-01-01 Mitsubishi Gas Chemical Co Polyol ester based-lubricant
DE19616733C2 (de) * 1996-04-26 2000-07-13 Stockhausen Chem Fab Gmbh Verfahren zur thermisch-mechanischen Oberflächenbehandlung von flächenförmigen Materialbahnen, insbesondere aus Papier und Karton unter Verwendung von Abhäsivmitteln
US5728658A (en) * 1996-05-21 1998-03-17 Exxon Chemical Patents Inc Biodegradable synthetic ester base stocks formed from branched oxo acids
US5798322A (en) * 1996-08-30 1998-08-25 Gateway Additive Company Friction-modifying additives for slideway lubricants
US5942475A (en) * 1996-09-06 1999-08-24 Exxon Chemical Patents Inc. Engine oil lubricants formed from complex alcohol esters
US5922658A (en) * 1996-09-06 1999-07-13 Exxon Chemical Patents Inc. Two-cycle engine oil formed from a blend of a complex alcohol ester and other basestocks
US5698502A (en) * 1996-09-11 1997-12-16 Exxon Chemical Patents Inc Polyol ester compositions with unconverted hydroxyl groups for use as lubricant base stocks
EP0890634A1 (fr) * 1997-07-09 1999-01-13 Voith Turbo GmbH & Co. KG Fluide de travail pour machine hydrodynamique
JP2003522204A (ja) * 1997-10-01 2003-07-22 ユニケマ ケミー ベスローテン フェンノートシャップ 複合エステル、これらのエステルを含む配合およびそれらの使用
US20060229409A1 (en) * 2005-04-08 2006-10-12 Ilmenev Pavel E Method for preparing polyurethane dispersions
DE102006027602A1 (de) * 2006-06-13 2007-12-20 Cognis Ip Management Gmbh Schmierstoffzusammensetzungen enthaltend Komplexester
US9481852B2 (en) * 2008-01-24 2016-11-01 The Lubrizol Corporation High viscosity synthetic ester lubricant base stock blends
US10336958B2 (en) 2016-08-30 2019-07-02 Resinate Materials Group, Inc. Sustainable base oils for lubricants
WO2018110142A1 (fr) 2016-12-13 2018-06-21 花王株式会社 Huile de base lubrifiante et composition lubrifiante comprenant ladite huile de base lubrifiante
JP2018095840A (ja) 2016-12-13 2018-06-21 花王株式会社 潤滑油基油、および該潤滑油基油を含有する潤滑油組成物
JP6928445B2 (ja) 2016-12-21 2021-09-01 花王株式会社 潤滑油基油、該潤滑油基油を含有する潤滑油組成物およびその製造方法
JP7216563B2 (ja) * 2019-02-12 2023-02-01 花王株式会社 グリース基油、および該グリース基油を含有するグリース組成物

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB644597A (en) * 1946-08-17 1950-10-11 Bakelite Corp Mixed esters
GB663566A (en) * 1948-12-01 1951-12-27 George Bruce Ingram Improvements in or relating to the production of organic carboxylic esters of polyhydric alcohols
US3000917A (en) * 1957-03-15 1961-09-19 Drew & Co Inc E F Linear mixed ester lubricants
BE596980A (fr) * 1959-11-11
BE649019A (fr) * 1963-06-12
GB1122466A (en) * 1966-01-12 1968-08-07 Exxon Research Engineering Co Complex esters
IL32628A0 (en) * 1968-07-18 1969-09-25 Stauffer Chemical Co Pentaerythritol ester lubricants
US3708522A (en) * 1969-12-29 1973-01-02 Lubrizol Corp Reaction products of high molecular weight carboxylic acid esters and certain carboxylic acid acylating reactants
US3753968A (en) * 1971-07-01 1973-08-21 Westvaco Corp Selective reaction of fatty acids and their separation
CA1016539A (fr) * 1973-02-12 1977-08-30 Benjamin F. Ward Methode de fabrication de l'acide dicarboxylique a partir d'acide linoleique contenant un melange d'acides gras
US4049563A (en) * 1973-06-18 1977-09-20 Chevron Research Company Jet engine oils containing extreme pressure additive
JPS5321068B2 (fr) * 1973-10-22 1978-06-30
DE2538232C2 (de) * 1975-08-28 1982-03-11 Dynamit Nobel Ag, 5210 Troisdorf Grenzflächenaktive, flüssige, hydroxylhaltige Estergemische
GB1481270A (en) * 1975-12-31 1977-07-27 Hercules Inc Synthetic oil lubricant
JPS536350A (en) * 1976-07-08 1978-01-20 Riken Vitamin Co Ltd Lubricants and compositions for molding plastics
JPS5421806A (en) * 1977-07-20 1979-02-19 Fuji Photo Film Co Ltd Magnetic recording medium
SU739083A1 (ru) * 1978-02-22 1980-06-05 Предприятие П/Я Р-6711 Смазочна композици
US4175045A (en) * 1978-02-27 1979-11-20 Stauffer Chemical Company Compressor lubrication
JPS552659A (en) * 1978-06-22 1980-01-10 Lion Corp Continuous preparation of polyhydric alcohol complete ester
US4277417A (en) * 1978-12-29 1981-07-07 Exxon Research & Engineering Co. Hydrocarbon soluble sulfonated polyols, esters of hydrocarbon substituted C4 -C10 dicarboxylic acids with polyols and sulfonic acid, processes therefor, and lubricating compositions thereof
US4234497A (en) * 1979-04-30 1980-11-18 Standard Lubricants, Inc. Iso-palmitate polyol ester lubricants
JPS5651433A (en) * 1979-10-04 1981-05-09 Nippon Kayaku Co Ltd Preparation of mixture of dipentaerythritol esters
US4477383A (en) * 1982-05-05 1984-10-16 National Distillers And Chemical Corporation Di- and tripentaerythritol esters of isostearic acid
US4589900A (en) * 1983-03-17 1986-05-20 United Technologies Corporation High-strength thermally stable magnesium aluminosilicate glass-ceramic matrix sic fiber composite
US4589990A (en) * 1985-06-21 1986-05-20 National Distillers And Chemical Corporation Mist lubricant compositions
US4645615A (en) * 1986-02-27 1987-02-24 Fmc Corporation Fire-resistant hydraulic fluid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7018558B2 (en) 1999-06-09 2006-03-28 Cognis Corporation Method of improving performance of refrigerant systems

Also Published As

Publication number Publication date
MX169267B (es) 1993-06-28
EP0272575A3 (en) 1989-08-09
DE3643935C2 (de) 1995-07-06
ES2052537T3 (es) 1994-07-16
BR8706979A (pt) 1988-07-26
ATE80607T1 (de) 1992-10-15
JPS63170337A (ja) 1988-07-14
DE3643935A1 (de) 1988-06-23
EP0272575A2 (fr) 1988-06-29
CA1317974C (fr) 1993-05-18
EP0272575B1 (fr) 1992-09-16
DE3781782D1 (de) 1992-10-22
ES2052537T5 (es) 1996-03-01
US5057247A (en) 1991-10-15
JP2661927B2 (ja) 1997-10-08

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