WO2023084273A1 - Formulation and manufacturing of additive package and protective oil - Google Patents

Formulation and manufacturing of additive package and protective oil Download PDF

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Publication number
WO2023084273A1
WO2023084273A1 PCT/IB2021/060406 IB2021060406W WO2023084273A1 WO 2023084273 A1 WO2023084273 A1 WO 2023084273A1 IB 2021060406 W IB2021060406 W IB 2021060406W WO 2023084273 A1 WO2023084273 A1 WO 2023084273A1
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Prior art keywords
oil
base oil
base
additive
resistance
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PCT/IB2021/060406
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French (fr)
Inventor
Hamid SHAKOURI LANGROUDI
Original Assignee
Shakouri Langroudi Hamid
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Application filed by Shakouri Langroudi Hamid filed Critical Shakouri Langroudi Hamid
Priority to PCT/IB2021/060406 priority Critical patent/WO2023084273A1/en
Publication of WO2023084273A1 publication Critical patent/WO2023084273A1/en

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    • 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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • 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
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives

Definitions

  • Additive package and protective oil to improve the performance of sheet protective oil and improve the resistance of the base oil to moisture, salt mist, oxidation, and abrasion.
  • This material consists of 4 different materials consisting of different roles and in optimal and effective proportions to meet all the standards required by consumers of the mentioned oil, which are as follows: zin dialk dithiophosphate 20%, Linear alkyl benzene Calcium sulfonate over base 20%, Sodium petroleum sulfonate 10% and Base oil N150 50%
  • Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution (carboxylic acids with less than 30 carbon atoms in the chain, of unknown or incompletely defined constitution C10M 129/56) (C10M 159/00)
  • a rust inhibitor providing a pass in the TORT B rust test comprising a solubility improver, a mixture of amine phosphates, and an alkenyl succinic compound.
  • a finished lubricant comprising the rust inhibitor and a lubricating base oil.
  • a finished lubricant that passes the TORT B rust test comprising a Fischer-Tropsch wax, oligomerized olefins, or mixture thereof; and a solubility improver.
  • a process for making a lubricant comprising blending together: a) a mixture of amine phosphates, b) an alkenyl succinic compound, and c) a highly paraffinic lubricating base oil.
  • a process to make a lubricant comprising: blending together: a) about 0.001 to about 2 wt % of a mixture of amine phosphates; b) about 0.001 to about 0.5 wt % of an alkenyl succinic compound selected from the group consisting of an acid half ester, an anhydride, an acid, and mixtures thereof; c) about 0.10 to about 20 wt % of a solubility improver having an aniline point less than 20° C.; and d) about 60 to about 98.5 wt % of a lubricating base oil selected from the group consisting of an API Group II or Group III base oil having greater than 65% paraffinic chain carbons by ASTM D 3238, an API Group IV base oil, a polyinternal olefin base oil, a hydroisomerized Fischer-Tropsch wax, a Fischer-Tropsch oligomerized olefin base oil, and mixtures thereof; wherein the lubric
  • a finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the TORT B rust test comprising a highly paraffinic base oil and a solubility improver having an aniline point less than 50° C.
  • a finished lubricant that passes the TORT B rust test comprising a Fischer-Tropsch wax, oligomerized olefins, or mixture thereof; and a solubility improver.
  • a process for making a lubricant comprising blending together: a) a mixture of amine phosphates, b) an alkenyl succinic compound, and c) a highly paraffinic lubricating base oil.
  • a polyfunctional hydrocarbon oil composition containing a hydrocarbon oil which has a density at 15 ⁇ C of 0.7-0.8 g/cm3, while having an n-paraffin content of 10-90% by mass, an aromatic content of 0-3% by volume and a naphthene content of 0-20% by volume. Also disclosed are a metalworking oil composition, electrical discharge machining oil composition, rust preventive oil composition and cleaning composition, each composed of the hydrocarbon oil composition.
  • the hydrocarbon oil composition is improved in safety such as volatility, inflammability, odor and skin irritation as well as working environment, and performs many functions.
  • the presented product is a formulation for making oil that protects steel sheets against rust, which is made and combined with special chemicals. Due to the special chemical composition, low surface tension, polarity, and good adhesion to the metal surface, the use of this product in the formulation of protective oils causes very good wetting of the final oil.
  • the protective layer formed from the use of this oil using this additive on metal is thin, continuous, homogeneous, resistant to oxidation and sunlight, and also prevents the passage of moisture and air from atmosphere to steel sheet.
  • the protection of this product against rust in a closed environment is at least one year and it has very high efficiency in similar storage conditions in coastal areas (humidity above 90% and the presence of chlorides). To remove it from the metal surface, you can simply use common types of alkaline cleaners to prepare the surface of the sheet for further protective operations such as phosphating, galvanizing, coating, varnishing, or hot immersion.
  • protective oils are protecting all sensitive parts with different alloys against corrosion and rust, including steel, aluminum, cast iron, galvanized, and steel.
  • the existence of Antioxidant and Inhibitor substances in the composition of this oil has caused it to significantly prevent oxidation and corrosion of the part.
  • Very low viscosity has been a prominent feature of this oil. In such a way that the smallest amount, after impregnating the piece with it, does not leave any residue and expels the moisture around it in a desirable way.
  • protective oils are as follows, this oil is used as a protector for steel parts, iron, etc. against corrosion, production lines, or warehouse parts. Another application of this oil is as a protective coating on coated sheets such as galvanized and steel sheets after cold rolling operations.
  • the method to use anti-corrosive oils to guard parts can be, immersing the parts in oil for 30 to 120 seconds and storing after removing the parts from the solution.
  • the parts can also be coated by spraying or brushing. It must be acknowledged that the best method is immersion. In the immersion process, the water separated from the surface of the parts collects in the bottom of the tank, which can be removed after a while by the valve that is installed at the bottom of the tank. If parts are stored outside the covered warehouse, they should be covered with a waterproof cover. It should be noted that if the part has several ducts and depressions, it is better to increase the time of immersion of the part in the protective liquid and also to create vibration, to ensure the exit of air and water from inside the ducts.
  • the proposed design is a material with a composite unit consisting of several special materials. (Schematic No. 1) This material consists of different properties and functions in specific and optimal proportions, necessary to increase the efficiency of the final protective oil. The manufacturing of this additive can help the manufacturers of oil protective that produce their products without the need to temperature
  • sheet oil protection formulation in terms of degrees Celsius.
  • production of sheet oil protection formulation can be done by meeting the needs of oil consumers. Ultimately achieving customer satisfaction and meeting their standards.
  • using this additive increases the corrosion resistance of the final oil in the salt spray test from less than one hour to more than 5 hours. Meanwhile, other conditions of these oils do not change in their formulation by using this additive, for example, this additive does not have a negative effect on stain testing or wash ability. All materials used in this invention are available in all parts of the world.
  • the product proposed is a formulation for the production of an additive for steel sheet protection oil, and is made from a combination of special chemicals.
  • This substance consists of 4 different substances with different roles and in optimal and effective proportions to meet all the standards required by the consumers of the mentioned oil, which include: zinc dialkyldithiophosphate. 20%, Linear alkyl benzene Calcium sulfonate over base 20%, Sodium petroleum sulfonate 10%, and Base oil N150 50%. Due to the special chemical composition, low surface tension, and good polarity and adhesion to the metal surface, the use of this product in the formulation of protective oils causes very good wetting of the final oil.
  • the protective layer formed from the use of this oil using this additive on metal is thin, continuous, homogeneous, resistant to oxidation and sunlight, and also prevents the passage of moisture and air.
  • the protection of this product against rust in a closed environment is at least one year and it has very high efficiency in similar storage conditions in coastal areas (humidity above 90% and the presence of chlorides).
  • you can simply use common types of alkaline cleaners to prepare the surface of the sheet for further protective operations such as phosphating, galvanizing, coating, varnishing, or hot immersion.
  • pour point depressant acts as a methyl methacrylate polymer (pour point depressant) and reduces the pour point of the base oil from -9 ° C to -36 ° C
  • the oil resistance augments the protection of the sheet to a very desirable amount without negatively affecting the wash ability of the sheet
  • the executive method used in this formula is to:

Landscapes

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

Abstract

Formulation and manufacturing of Additive package and protective oil to improve the performance of sheet protective oil and improve the resistance of the base oil to moisture, salt mist, oxidation, and abrasion. This material consists of 4 different materials consisting of different roles and in optimal and effective proportions to meet all the standards required by consumers of the mentioned oil, which are as follows: zin dialk dithiophosphate 20%, Linear alkyl benzene Calcium sulfonate over base 20%, Sodium petroleum sulfonate 10% and Base oil N150 50%

Description

Formulation and manufacturing of Additive package and protective oil
Formulation and manufacturing of Additive package and protective oil to improve the performance of sheet protective oil and improve the resistance of the base oil to moisture, salt mist, oxidation, and abrasion. This material consists of 4 different materials consisting of different roles and in optimal and effective proportions to meet all the standards required by consumers of the mentioned oil, which are as follows: zin dialk dithiophosphate 20%, Linear alkyl benzene Calcium sulfonate over base 20%, Sodium petroleum sulfonate 10% and Base oil N150 50%
Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution (carboxylic acids with less than 30 carbon atoms in the chain, of unknown or incompletely defined constitution C10M 129/56) (C10M 159/00)
Rust inhibitor for highly paraffinic lubricating base oil
United States Patent 7732386
A rust inhibitor providing a pass in the TORT B rust test, comprising a solubility improver, a mixture of amine phosphates, and an alkenyl succinic compound. A finished lubricant comprising the rust inhibitor and a lubricating base oil. A finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the TORT B rust test, comprising a highly paraffinic base oil and a solubility improver having an aniline point less than 50° C. A finished lubricant that passes the TORT B rust test, comprising a Fischer-Tropsch wax, oligomerized olefins, or mixture thereof; and a solubility improver. A process for making a lubricant, comprising blending together: a) a mixture of amine phosphates, b) an alkenyl succinic compound, and c) a highly paraffinic lubricating base oil. A method of improving the rust inhibition of a lubricating oil by incorporating a solubility improver having an aniline point <10° C.
Process for making a lubricant having good rust inhibition
United States Patent 7947634
A process to make a lubricant, comprising: blending together: a) about 0.001 to about 2 wt % of a mixture of amine phosphates; b) about 0.001 to about 0.5 wt % of an alkenyl succinic compound selected from the group consisting of an acid half ester, an anhydride, an acid, and mixtures thereof; c) about 0.10 to about 20 wt % of a solubility improver having an aniline point less than 20° C.; and d) about 60 to about 98.5 wt % of a lubricating base oil selected from the group consisting of an API Group II or Group III base oil having greater than 65% paraffinic chain carbons by ASTM D 3238, an API Group IV base oil, a polyinternal olefin base oil, a hydroisomerized Fischer-Tropsch wax, a Fischer-Tropsch oligomerized olefin base oil, and mixtures thereof; wherein the lubricant passes the 4 hour TORT B rust test.
FINISHED LUBRICANT WITH IMPROVED RUST INHIBITION
United States Patent Application 20090042755
A finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the TORT B rust test, comprising a highly paraffinic base oil and a solubility improver having an aniline point less than 50° C. A finished lubricant that passes the TORT B rust test, comprising a Fischer-Tropsch wax, oligomerized olefins, or mixture thereof; and a solubility improver. A process for making a lubricant, comprising blending together: a) a mixture of amine phosphates, b) an alkenyl succinic compound, and c) a highly paraffinic lubricating base oil.
POLYFUNCTIONAL HYDROCARBON OIL COMPOSITION
WO2007114505
Disclosed is a polyfunctional hydrocarbon oil composition containing a hydrocarbon oil which has a density at 15˚C of 0.7-0.8 g/cm3, while having an n-paraffin content of 10-90% by mass, an aromatic content of 0-3% by volume and a naphthene content of 0-20% by volume. Also disclosed are a metalworking oil composition, electrical discharge machining oil composition, rust preventive oil composition and cleaning composition, each composed of the hydrocarbon oil composition. The hydrocarbon oil composition is improved in safety such as volatility, inflammability, odor and skin irritation as well as working environment, and performs many functions.
The presented product is a formulation for making oil that protects steel sheets against rust, which is made and combined with special chemicals. Due to the special chemical composition, low surface tension, polarity, and good adhesion to the metal surface, the use of this product in the formulation of protective oils causes very good wetting of the final oil. The protective layer formed from the use of this oil using this additive on metal is thin, continuous, homogeneous, resistant to oxidation and sunlight, and also prevents the passage of moisture and air from atmosphere to steel sheet. The protection of this product against rust in a closed environment is at least one year and it has very high efficiency in similar storage conditions in coastal areas (humidity above 90% and the presence of chlorides). To remove it from the metal surface, you can simply use common types of alkaline cleaners to prepare the surface of the sheet for further protective operations such as phosphating, galvanizing, coating, varnishing, or hot immersion.
The chief feature of protective oils is protecting all sensitive parts with different alloys against corrosion and rust, including steel, aluminum, cast iron, galvanized, and steel. The existence of Antioxidant and Inhibitor substances in the composition of this oil has caused it to significantly prevent oxidation and corrosion of the part. Very low viscosity has been a prominent feature of this oil. In such a way that the smallest amount, after impregnating the piece with it, does not leave any residue and expels the moisture around it in a desirable way.
The utilization of protective oils is as follows, this oil is used as a protector for steel parts, iron, etc. against corrosion, production lines, or warehouse parts. Another application of this oil is as a protective coating on coated sheets such as galvanized and steel sheets after cold rolling operations.
The method to use anti-corrosive oils to guard parts can be, immersing the parts in oil for 30 to 120 seconds and storing after removing the parts from the solution. The parts can also be coated by spraying or brushing. It must be acknowledged that the best method is immersion. In the immersion process, the water separated from the surface of the parts collects in the bottom of the tank, which can be removed after a while by the valve that is installed at the bottom of the tank. If parts are stored outside the covered warehouse, they should be covered with a waterproof cover. It should be noted that if the part has several ducts and depressions, it is better to increase the time of immersion of the part in the protective liquid and also to create vibration, to ensure the exit of air and water from inside the ducts.
Today, I have been successful in designing a process to optimize the mentioned methods and to solve the previously predetermined problems, which is worth mentioning. The purpose of this design is to make protective oils for steel sheets for them to be protected against rust. Also, an additive that can increase the oil resistance in salt spray tests and doesn't have a negative effect on oil wash ability.
Solution of problem
The proposed design is a material with a composite unit consisting of several special materials. (Schematic No. 1) This material consists of different properties and functions in specific and optimal proportions, necessary to increase the efficiency of the final protective oil. The manufacturing of this additive can help the manufacturers of oil protective that produce their products without the need to temperature
(in terms of degrees Celsius). With just one operation production of sheet oil protection formulation can be done by meeting the needs of oil consumers. Ultimately achieving customer satisfaction and meeting their standards. In other words, using this additive increases the corrosion resistance of the final oil in the salt spray test from less than one hour to more than 5 hours. Meanwhile, other conditions of these oils do not change in their formulation by using this additive, for example, this additive does not have a negative effect on stain testing or wash ability. All materials used in this invention are available in all parts of the world.
The product proposed is a formulation for the production of an additive for steel sheet protection oil, and is made from a combination of special chemicals. This substance consists of 4 different substances with different roles and in optimal and effective proportions to meet all the standards required by the consumers of the mentioned oil, which include: zinc dialkyldithiophosphate. 20%, Linear alkyl benzene Calcium sulfonate over base 20%, Sodium petroleum sulfonate 10%, and Base oil N150 50%. Due to the special chemical composition, low surface tension, and good polarity and adhesion to the metal surface, the use of this product in the formulation of protective oils causes very good wetting of the final oil. The protective layer formed from the use of this oil using this additive on metal is thin, continuous, homogeneous, resistant to oxidation and sunlight, and also prevents the passage of moisture and air. The protection of this product against rust in a closed environment is at least one year and it has very high efficiency in similar storage conditions in coastal areas (humidity above 90% and the presence of chlorides). To remove it from the metal surface, you can simply use common types of alkaline cleaners to prepare the surface of the sheet for further protective operations such as phosphating, galvanizing, coating, varnishing, or hot immersion.
An interesting point in producing this additive has improved the oil pour point property, which eliminates the need for manufacturers of steel sheet protective oils to use pour point depressant additive. Linear alkyl benzene calcium sulfonate
In addition to neutralizing the effects of possible acids produced, acts as a methyl methacrylate polymer (pour point depressant) and reduces the pour point of the base oil from -9 ° C to -36 ° C
To increase the wash ability, in the production of this additive, sodium petroleum sulfonate
is used which, by activating the surface, reduces the surface expansion and tension between the surfaces and also prevents rusting of the metal.
Advantage effects of invention
Reasonable and inexpensive price
Protects the steel sheet against corrosion caused by ambient moisture
The oil resistance augments the protection of the sheet to a very desirable amount without negatively affecting the wash ability of the sheet
: Additive profile table
: Final oil profile table
: Additive profile table
: Final oil profile table
Examples
The executive method used in this formula is to:
Describe the blend of the specified materials with variable weight percentage at 40 Celsius degrees for an hour in order to made additive package with 10% dosage for using to protective oil formula.
The use of this additive in the manufacturing of protective oils is very common. Most of these sheets are used in the construction of the body car and the type of oil and additives of these oils are very important.

Claims (5)

  1. the production of an additive set to improve the performance of sheet protective oil and improve the resistance of the base oil to moisture, salt mist, oxidation, and abrasion. This material consists of 4 different materials consisting of different roles and in optimal and effective proportions to meet all the standards required by consumers of the mentioned oil, which are as follows: zin dialk dithiophosphate 20%, Linear alkyl benzene Calcium sulfonate over base 20%, Sodium petroleum sulfonate 10% and Base oil N150 50%
  2. According to claim 1, zinc di alkyl dithiophosphat is used to raise the oil resistance to oxidation, abrasion, corrosion control, and higher durability of the oil on the metal surface. This compound constitutes 20% of the total structure of this product.
  3. According to claim number 1, to increase the cleaning power of the oil and also to clean the metal surface after washing the sheet, and also to control the acidity of the oil, sodium petroleum sulfonate dissolved in oil is used.
  4. According to claim number 1, to prevent staining in the stain test and also as a carrier material, group 2 base oil is used, which in addition to the solubility of all components, facilitates the operational use of this additive and it also makes the price of the product more economical
  5. According to Claim No. 1, to increase the properties of the base oil and neutralize the effects of possible pour point degree of base oil, Linear alkyl benzene Calcium sulfonate over base is used and in addition to increasing the rich resistance to potentially produced acids, it can increase the base oil pour point from -9 to -36 ° C.
PCT/IB2021/060406 2021-11-10 2021-11-10 Formulation and manufacturing of additive package and protective oil WO2023084273A1 (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

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WO2023084273A1 true WO2023084273A1 (en) 2023-05-19

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103695106A (en) * 2013-12-05 2014-04-02 青岛汇而通商贸有限公司 High-efficiency antirust lubricating oil
EP3322784A1 (en) * 2015-07-16 2018-05-23 Afton Chemical Corporation Lubricants with zinc dialkyl dithiophosphate and their use in boosted internal combustion engines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103695106A (en) * 2013-12-05 2014-04-02 青岛汇而通商贸有限公司 High-efficiency antirust lubricating oil
EP3322784A1 (en) * 2015-07-16 2018-05-23 Afton Chemical Corporation Lubricants with zinc dialkyl dithiophosphate and their use in boosted internal combustion engines

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