DE935448C - Process for making consistent, transparent lubricants - Google Patents

Process for making consistent, transparent lubricants

Info

Publication number
DE935448C
DE935448C DED3783D DED0003783D DE935448C DE 935448 C DE935448 C DE 935448C DE D3783 D DED3783 D DE D3783D DE D0003783 D DED0003783 D DE D0003783D DE 935448 C DE935448 C DE 935448C
Authority
DE
Germany
Prior art keywords
lubricants
transparent
consistent
making
making consistent
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
Application number
DED3783D
Other languages
German (de)
Inventor
Harry Dr Kloepfer
Fritz Dr Lehmann
Otto Dr Schweitzer
Carl Dr Zerbe
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.)
Deutsche Shell GmbH
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Shell GmbH
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
Application filed by Degussa GmbH, Deutsche Shell GmbH filed Critical Degussa GmbH
Priority to DED3783D priority Critical patent/DE935448C/en
Application granted granted Critical
Publication of DE935448C publication Critical patent/DE935448C/en
Expired 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
    • C10M5/00—Solid or semi-solid compositions containing as the essential lubricating ingredient mineral lubricating oils or fatty oils and their use
    • 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
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • 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
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
    • 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
    • C10M2201/04—Elements
    • C10M2201/043—Sulfur; Selenenium; Tellurium
    • 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
    • C10M2201/10—Compounds containing silicon
    • C10M2201/105—Silica
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/026—Butene
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/20—Natural rubber; Natural resins
    • 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
    • C10M2207/021—Hydroxy compounds having hydroxy 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
    • 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
    • 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
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • 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
    • C10M2207/08—Aldehydes; Ketones
    • 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
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less 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
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/122—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms monocarboxylic
    • 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
    • C10M2207/16—Naphthenic 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
    • 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
    • C10N2010/08—Groups 4 or 14
    • 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
    • C10N2050/10—Semi-solids; greasy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Description

Verfahren zur Herstellung konsistenter, transparenter Schmiermittel Zusatz zum Patent 920 865 Gemäß Hauptpatent 92o 86s können konsistente, transparente Schmiermittel hergestellt werden, indem man in geeignete Mineral- oder Syntheseöle hochdisperseKieselsäure-Aerosole einbringt, welche eine Teilchengröße von etwa 5o m,u aufweisen. Solche Aerosole können beispielsweise durch Zersetzen flüchtiger Kieselsäureverbindungen in gasförmigem Zustand in wasserstoffhaltigen Flammen hergestellt werden. Hierbei werden die Strömungsgeschwindigkeiten der gasförmigen Stoffe zwecks Vermeidung einer Rekristallisation oder sonstiger unerwünschter Oberflächenveränderungen möglichst hoch, aber unterhalb des Schmelzpunktes der entstehenden Oxyde gehalten.Process for making consistent, transparent lubricants Addition to patent 920 865 According to main patent 92o 86s, consistent, transparent Lubricants can be made by digging into suitable mineral or synthetic oils brings in highly disperse silica aerosols, which have a particle size of about 5o m, u have. Such aerosols can be made more volatile, for example by decomposing Silica compounds produced in a gaseous state in hydrogen-containing flames will. Here, the flow rates of the gaseous substances are used for the purpose Avoidance of recrystallization or other undesirable surface changes as high as possible, but kept below the melting point of the resulting oxides.

Im Hauptpatent wurde bereits darauf hingewiesen, daß die Struktur der jeweils angewandten Ausgangsöle auf die Gelbildung von großem Einfluß ist. Nicht alle Öle eignen sich gleichmäßig gut zur Herstellung solcher Schmiermittel. Es ist nun gefunden worden, daß auch an sich ungeeignete Öle zusammen. mit- Kieselsäure-Aerosolen brauchbare Schmiermittel ergeben, wenn man bei der Am reibung einen geringen Prozentsatz an Wasser und/oder ganz oder teilweise in Wasser löslichen organischen Verbindungen aromatischer oder aliphatischer Art mitverwendet, die eine oder mehrere Hydroxyl-, Keto-, Ester-, Äther- oder Aldehydgruppen enthalten. Sehr gut eignen sich Alkohole mit z bis ro Kohlenstoffatomen sowie die ihnen entsprechenden Säuren, Phenole, Ester, Äther oder Ketone. -Neben diesen die Gelierung der Anreibung hervorrufenden Zusätzen können die im Hauptpatent genannten peptisierenden oder als Schutzkollid wirkenden Stoffe zugesetzt werden. Auch kann man den Ölen vor, während oder nach der Einreibung der Kieselsäure-Aerosole noch solche Stoffe zufügen, die den Schmier- bzw. sonstigen Gebrauchswert erhöhen. Es können z. B. hochdruckaufnehmende Zusätze, wie Schwefel, Bleinaphthenat oder Schwefelchlor-Fettstoffverbindungen, zugefügt werden, desgleichen Graphit oder zähigkeitserhöhende Stoffe, wie Kautschuk, Polyisobutylen oder andere synthetische Polymerisate.It has already been pointed out in the main patent that the structure of the starting oils used in each case has a great influence on gel formation. not all oils are equally good at making such lubricants. It is It has now been found that oils are unsuitable in themselves together. with silica aerosols, useful lubricants result when one at the Am friction a small percentage of water and / or wholly or partially in water soluble organic compounds of an aromatic or aliphatic type are also used, which contain one or more hydroxyl, keto, ester, ether or aldehyde groups. Alcohols with z to ro carbon atoms and the corresponding ones are very suitable Acids, phenols, esters, ethers or ketones. - In addition to these, the gelation of the grinding Causing additives can be the peptizing or peptizing mentioned in the main patent substances acting as protective collides are added. You can also use the oils add such substances during or after rubbing in the silica aerosols, which increase the lubricity or other utility value. It can e.g. B. high pressure receiving Additives such as sulfur, lead naphthenate or sulfur-chlorine fatty compounds, are added, as well as graphite or toughness-increasing substances such as rubber, Polyisobutylene or other synthetic polymers.

Wenn auch -die Struktur des Öls hinsichtlich seiner Eignung für die Herstellung der Schmierfette durch den Zusatz der erfindungsgemäß beanspruchten organischen Verbindungen oder Wasser weitgehend ausgeschaltet ist; so spielt doch dieMolekülgröße eine gewisse Rolle, obwohl hierfür keine allgemeine Regel aufzustellen ist. Insbesondere hat man es in der Hand, durch Wahl eines Öls geeigneter Molekülgröße Eigenschaften, wie z. B. die Ölabscheidung der Gallerte (Synhärese), zu regulieren.Albeit -the structure of the oil in terms of its suitability for the Production of the lubricating greases by adding those claimed according to the invention organic compounds or water is largely eliminated; play like that the molecular size plays a certain role, although no general rule can be established for this is. In particular, you have it in your hand by choosing an oil of the appropriate molecular size Properties such as B. the oil separation of the jelly (synheresis) to regulate.

Ebenfalls durch Wahl des geeigneten Öls wie auch durch Abstimmung der zugesetzten Kieselsäure-Aerosol-Menge oder durch die Wahl von Art und Menge der beanspruchten Verfestigungs-(Gelierungs-) Zusätze bzw. durch Einhaltung der geeigneten Anreibungstemperatur kann die Konsistenz des erzeugten Schmiermittels verändert oder in der gewünschten Höhe gehalten werden.Also by choosing the right oil as well as by voting the amount of silica aerosol added or by choosing the type and amount the claimed solidification (gelling) additives or by adhering to the Suitable grinding temperature can be the consistency of the lubricant produced changed or kept at the desired height.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung konsistenter, transparenter Schmiermittel gemäß Hauptpatent 92o 865, dadurch gekennzeichnet, daß man bei den Anreibungen von Mineral- und/oder Syntheseölen mit denKieselsäure-Aerosolen geringe Mengen Wasser und/oder solcher organischer Verbindungen aliphatischer oder aromatischer Art mitverwendet, die Sauerstoff in Form von Alkohol-, Aldehyd-, Keto-; Carboxyl-, Ester-, Äther- oder Phenolgrüppen enthalten.PATENT CLAIM: Process for making more consistent, more transparent Lubricant according to main patent 92o 865, characterized in that the Grinding of mineral and / or synthetic oils with the silica aerosols is low Amounts of water and / or such organic compounds, aliphatic or aromatic Kind also uses the oxygen in the form of alcohol, aldehyde, keto; Carboxyl, Contain ester, ether or phenol groups.
DED3783D 1943-09-12 1943-09-12 Process for making consistent, transparent lubricants Expired DE935448C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED3783D DE935448C (en) 1943-09-12 1943-09-12 Process for making consistent, transparent lubricants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED3783D DE935448C (en) 1943-09-12 1943-09-12 Process for making consistent, transparent lubricants

Publications (1)

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DE935448C true DE935448C (en) 1955-11-17

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DED3783D Expired DE935448C (en) 1943-09-12 1943-09-12 Process for making consistent, transparent lubricants

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946650C (en) * 1954-05-29 1956-08-02 Degussa Lubricants and processes for their manufacture
DE1003902B (en) * 1955-05-02 1957-03-07 Bataafsche Petroleum Grease
DE1076994B (en) * 1956-09-18 1960-03-03 Exxon Standard Sa Lubricating oil for the quick break-in of combustion engines
DE1138493B (en) * 1961-02-08 1962-10-25 Degussa Water-resistant, temperature-stable lubricant
DE1143291B (en) * 1957-10-28 1963-02-07 Cabot Corp Lubricating greases

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946650C (en) * 1954-05-29 1956-08-02 Degussa Lubricants and processes for their manufacture
DE1003902B (en) * 1955-05-02 1957-03-07 Bataafsche Petroleum Grease
DE1076994B (en) * 1956-09-18 1960-03-03 Exxon Standard Sa Lubricating oil for the quick break-in of combustion engines
DE1143291B (en) * 1957-10-28 1963-02-07 Cabot Corp Lubricating greases
DE1138493B (en) * 1961-02-08 1962-10-25 Degussa Water-resistant, temperature-stable lubricant

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