US3127350A - White oil stabilizer - Google Patents

White oil stabilizer Download PDF

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Publication number
US3127350A
US3127350A US3127350DA US3127350A US 3127350 A US3127350 A US 3127350A US 3127350D A US3127350D A US 3127350DA US 3127350 A US3127350 A US 3127350A
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oil
white
white mineral
viscosity
zinc
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/27—Zinc; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/31—Hydrocarbons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • 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
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/188—Carboxylic acids; metal salts thereof
    • C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
    • 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
    • C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
    • C10M1/08—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/52—Stabilizers
    • 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
    • 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
    • C10M2203/102—Aliphatic fractions
    • 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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • 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
    • 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
    • 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
    • C10N2040/30—Refrigerators lubricants or compressors lubricants
    • 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
    • C10N2040/32—Wires, ropes or cables lubricants
    • 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
    • C10N2040/34—Lubricating-sealants
    • 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
    • C10N2040/36—Release agents or mold release agents
    • 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
    • C10N2040/38—Conveyors or chain belts
    • 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
    • C10N2040/40—Generators or electric motors in oil or gas winning field
    • 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
    • C10N2040/42—Flashing oils or marking oils
    • 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
    • C10N2040/44—Super vacuum or supercritical use
    • 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
    • C10N2040/46—Textile oils
    • 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
    • C10N2040/50—Medical uses

Definitions

  • This invention relates to improved hydrocarbon oil compositions. More particularly, this invention relates to white mineral oils containing a small amount of 110- Inogeneously dispersed zinc 2-ethylhexoate capable of beneficially inhibiting the development of odor and haze normally occurring upon exposure of the oil to sunlight.
  • the oils contemplated as most suitable for use in accordance with our invention are generally known as highly refined, industrial type white mineral oils and are available commercially in various grades differing chiefly with respect to viscosity properties.
  • they When initially produced from their source, namely, crude oil stocks, they are transparent, colorless and substantially odorless oily liquids.
  • Either paraffin-base crudes, naphthene-base crudes or mixtures of said crudes may be employed in obtaining the White mineral oil.
  • the quality of the finished product depends primarily upon the degree of care and skill employed in the refining process, certain of its basic properties are determined by the type of crude used. For example, a naphthene-base crude provides a white mineral oil of relatively high specific gravity and viscosity characteristics.
  • a Pennsylvania type paraffin-base crude yields a white oil of generally lower viscosity properties and specific gravity.
  • these crudes also yield oils differing somewhat in other properties.
  • white oils derived from parafiin-base crudes exhibit excellent heat resistance and are noted for their affinity for certain waxes.
  • an oil of this type is favored in certain applications such as for example in the preparation of cosmetic formulations.
  • the first step in the production of white oil consists in the removal of the lighter portions of the crude such as gasoline, naphtha, kerosene and certain like fractions such as for example fuel oils. This segregation of the enumerated fractions is customarily accomplished by a heat process referred to as fractional distillation. After the lighter fractions of the crude have been separated as indicated, the oil residue is further distilled. The lower boiling fractions of said residue serve as the raw oil from which the white oils are ultimately obtained via a refining operation.
  • the primary purpose in refining the raw oil fractions is to remove various reactive and unsaturated hydrocarbons and impurities therefrom, which components are responsible for the color, odor, taste and other objectionable properties normally associated with the unrefined oil.
  • the specific details of the refining procedure may vary considerably among the individual manufacturers of the white oil, it will almost always include treatment of the oil with sulfuric acid, washing with alkalies and solvents, and the application of adsorbents.
  • the purpose of the sulfuric acid treatment is to remove all of the unsaturated, aromatic and other reactive hydrocarbons and most of the impurities that are present in the oil.
  • the action of the treating acid is both chemical and a physical one. In its chemical role, the sulfuric acid reacts with a large proportion of the objectionable components present to yield complexes capable of ready removal.
  • the acid additionally serves as a solvent for the said reaction products or complexes and. also effects removal of resinous and asphaltic substances and other like impurities from the oil.
  • the oil is treated with large quantities of either concentrated or fuming sulfuric acid (oleum).
  • concentration of acid used, the temperature, the length of treatment and the method of application depends upon the type of crude used and the type of oil and degree of refinement required. Ordinarily, 30 to 70% of acid based on the weight of the oil is used.
  • the contact time of acid with oil varies extensively as indicated and ranges from as brief as a few minutes in continuous treating to about one hour in batch processes.
  • the oil is usually further refined by some sort of adsorption process in order to remove minute traces of carbon, coke, resinous and asphaltic substances, coloring matter, moisture, etc.
  • adsorbents are of mineral origin and include fullers earths in natural state or in acid-activated form, e.g., bauxite, bentonite, etc.
  • Adsorbents of organic origin such as charcoal, activated carbon and the like as well as such substances as silica gel, alumina gel or similar synthetic adsorbents are also used.
  • White mineral oils are employed in a legion of industrial applications. The particular application involved more or less dictates the grade of mineral oil to be used, especially as regards its viscosity characteristics. Accordingly, one can find numerous commercial products generally sold to meet relatively narrow viscosity specifications. Thus one may readily avail of proprietary products ranging in viscosity from as low as 30 SSU units Saybolt at F. to a viscosity of as high 500 SSU. Of this broad range of viscosities that may be found in products of this type, there are two general classifications, namely, light viscosity or simply light white mineral oils, i.e., those having a Saybolt viscosity of not more than about SSU at 100 F. and heavy white mineral oils which have higher viscosity than that specifically stated. Details with respect to the aforesaid viscosity characterization of oil products may be found in ASTM test D445- 46T.
  • lubricating applications which usually include most lubricants for food processing apparatus wherein a medicinal grade of oil is required
  • a so-called technical grade of white mineral oil is perfectly satisfactory.
  • the technical grade designation connotes an oil which is highly refined and substantially chemically inert, but not so absolutely inert as to permit use for medicinal purposes as an internal lubricant.
  • the technical grade oils are used extensively in cotton processing, leather dressings, and especially in the preparation of cosmetics or cosmetic bases, such as makeup preparations, cold creams, hair preparations and the like.
  • Our invention especially pertains to technical grade white mineral oils useful in the latter applications among others of a similar nature.
  • the zinc soap useful in the practice of our invention is admirably adapted for the purposes intended because the compound itself is odorless, substantially colorless, practically nontoxic, readily soluble in the white oil and at the same time considerably more stable toward oxidation and deterioration upon aging and exposure to light and heat than the white oil itself which obviously is a fundamental prerequisite for an inhibitor of this type.
  • the amount of zinc 2-ethylhexoate that can be added to the white mineral oil in order to achieve effective protection ranges from as low as 50 p.p.m. based on the oil.
  • the preferred range of the additive extends from about 100 to 1000 p.p.m. Amounts greater than 1000 p.p.m. can be used but the extent of improvement in stabilization to be realized in using these higher amounts is not economically warranted.
  • EXAMPLE I Into portions of a white mineral oil having a Saybolt viscosity of 70 SSU at 100 F. was added zinc 2-ethylhexoate (22% zinc content) in concentrations ranging from 125 to 1000 p.p.m. based on the weight of the oil.
  • composition of matter consisting essentially of a colorless and odorless white mineral oil free of unsaturated and aromatic hydrocarbons containing from about 0.005 to 0.1% of zincl-ethylhexoate.
  • composition of matter consisting essentially of a colorless and odorless white mineral oil free of unsaturated and aromatic hydrocarbons having a Saybolt viscosity of less than about 170 SSU at 100 F. containing from about 0.005% to 0.1% of zinc 2-ethylhexoate.
  • composition of matter consisting essentially of a colorless and odorless white mineral oil free of unsaturated and aromatic hydrocarbons having a Saybolt viscosity of about SSU at F. containing from about 0.005 to 0.1% of zinc Z-ethylhexoate.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dermatology (AREA)
  • Lubricants (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
US3127350D 1960-05-23 White oil stabilizer Expired - Lifetime US3127350A (en)

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US3122260A 1960-05-23 1960-05-23

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US (1) US3127350A (US20030157376A1-20030821-M00001.png)
BE (1) BE615929A (US20030157376A1-20030821-M00001.png)
DE (1) DE1170097B (US20030157376A1-20030821-M00001.png)
GB (1) GB941588A (US20030157376A1-20030821-M00001.png)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2001108A (en) * 1931-07-06 1935-05-14 Standard Oil Co California Stabilized hydrocarbon oil
US2345580A (en) * 1941-06-21 1944-04-04 Nat Oil Prod Co Stabilization of mineral oils
US2363722A (en) * 1941-11-10 1944-11-28 Sonneborn Sons Inc L Stabilized medicinal white oils
US2384551A (en) * 1944-03-24 1945-09-11 Carbide & Carbon Chem Corp Lubricant
US2628195A (en) * 1949-09-23 1953-02-10 Leffingwell Chemical Company Lubricating grease
US2671758A (en) * 1949-09-27 1954-03-09 Shell Dev Colloidal compositions and derivatives thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2001108A (en) * 1931-07-06 1935-05-14 Standard Oil Co California Stabilized hydrocarbon oil
US2345580A (en) * 1941-06-21 1944-04-04 Nat Oil Prod Co Stabilization of mineral oils
US2363722A (en) * 1941-11-10 1944-11-28 Sonneborn Sons Inc L Stabilized medicinal white oils
US2384551A (en) * 1944-03-24 1945-09-11 Carbide & Carbon Chem Corp Lubricant
US2628195A (en) * 1949-09-23 1953-02-10 Leffingwell Chemical Company Lubricating grease
US2671758A (en) * 1949-09-27 1954-03-09 Shell Dev Colloidal compositions and derivatives thereof

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GB941588A (en) 1963-11-13
DE1170097B (de) 1964-05-14

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