US2936224A - Gasoline composition - Google Patents

Gasoline composition Download PDF

Info

Publication number
US2936224A
US2936224A US682322A US68232257A US2936224A US 2936224 A US2936224 A US 2936224A US 682322 A US682322 A US 682322A US 68232257 A US68232257 A US 68232257A US 2936224 A US2936224 A US 2936224A
Authority
US
United States
Prior art keywords
lead
gasoline
rust
sulfonate
polyglycol
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
US682322A
Inventor
Beppino J Fontana
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.)
California Research LLC
Original Assignee
California Research LLC
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 California Research LLC filed Critical California Research LLC
Priority to US682322A priority Critical patent/US2936224A/en
Application granted granted Critical
Publication of US2936224A publication Critical patent/US2936224A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/29—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings
    • C07C309/30—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings of six-membered aromatic rings substituted by alkyl groups
    • C07C309/31—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings of six-membered aromatic rings substituted by alkyl groups by alkyl groups containing at least three carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • 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
    • C10L1/192—Macromolecular compounds
    • C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
    • C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
    • 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
    • C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
    • C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
    • C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters

Definitions

  • This invention is directed to rust-inhibited motor fuel compositions; in particular, gasolines having a combination of additives which act synergistically to inhibit rust formation.
  • gasoline compositions are transmitted into storage tanks.
  • Such storage tanks may be immediately adjacent to the area wherein the refining and blending operations took place or they may be in an area hundreds of miles away from the refining operations. Regardless of the proximity of these storage tanks to the refining operations, the gasoline compositions must be transported in pipe lines over short distances or long distances.
  • gasolines are transmitted through pipe lines over long distances, that they are stored in huge tanks until they are necessarily piped into other areas.
  • the storage vessels and the pipes are prepared from ferrous metals.
  • gasolines are usually treated with aqueous solutions of basic substances and water-washed.
  • water is suspended in the gasolines as they are placed in the storage vessels.
  • there is always a significant amount of water that gets into .the gasoline because of variations in temperatures and relative humidity resulting in air being sucked into the storage vessels and the pipe lines, with the result that such water from the air becomes carried into the containing vessels.
  • the storage vessels and the pipe lines because they are commonly made of ferrous metals, rust.
  • this rusting is sufficient to result in the formation of rust particles which flake from the metal surfaces.
  • the rust particles often become carried into the gasoline tanks of service stations. Such particles can then be transmitted to the gasoline tanks of automobiles and possibly cause plugging of fuel lines and filters.
  • the rusting in pipe lines results in increased frictionbetween the pipeline arid the gasolines, reducing the amount of gasoline which can thus flow through the lines.
  • gasoline compositions useful in internal combustion engines which gasoline compositions have rust inhibiting properties such that the usual rusting of ferrous metal containers for gasolines is appreciably reduced in the presence of water and oxygen.
  • the gasoline compositions of this invention comprise a major proportion Of a hydrocarbon (or mixture of hydrocarbons) suitable as gasolines for internal combustion engines, and a minor amount, suflicient to inhibit rusting of said fuel in the presence of water and oxygen, of a combination of lead sulfonates and polyglycols.
  • the base fuels used herein as gasoline compositions are the hydrocarbon distillates (e.g., petroleum distillates) currently produced for commercial use as gasolines for use in internal combustion engines.
  • Such gasolines may be derived from cracked or straight-run stocks, or a blend of such stocks, and include the hydrocarbons derived from shales and like bituminous materials, or produced by reacting carbon monoxide and hydrogen as in the Fischer-Tropsch synthesis.
  • the gasoline compositions used herein comprise a hydrocarbon or a mixture of hydrocarbons boiling substantially within the gasoline boiling range; that is, in the ASTM D-86 boiling range of about 50 F. to about 435 F.
  • the particular lead sulfonates which are contemplated herein in combination with polyglycols as rust inhibiting ingredients in gasoline compositions are the lead salts of synthetic alkylbenzene produced by alkylating benzene with propylene polymers or other parafiinic group.
  • the resulting .sulfonic acids have average molecular weights of about 400 and are characterized by an alkyl side chain of about 18 carbon atoms in length.
  • the molecular weights of the sulfonic acids are in the range of about 350 to 500, which corresponds to an alkylbenzene hydrocarbon having an alkyl side chain of about 14 to 20 carbon atoms in length as the starting material.
  • Lead sulfonates of sulfonic acids of higher molecular weights are less effective in inhibiting rust formation in combination with the polyglycols herein, while, on the other hand, the lead sulfonates of sulfonic acids of lower molecular weights are more readily removed from the fuels by the water therein.
  • petroleum sulfonic acids i.e., sulfonic acids derived from petroleum fractions
  • molecular weight range set forth hereinabove.
  • a lead sulfonate may be prepared from a synthetic alkyl aromatic hydrocarbon in the following manner: An alkyl aromatic hydrocarbon was produced by alkylating benzene with propylene polymers in the presence of a hydrofluoric acid catalyst. 25% fuming sulfuric acid was added slowly and the temperature was maintained between and F. The addition of the sulfuric acid was completed in 4 to 6 hours, after which the spent acid was allowed to settle and was withdrawn for disposal. The' sulfonicacid layer was slowly transferred to a neutralization vessel containing sufiicient caustic soda to neutralize the sulfonic acid. L
  • the crude sodium sulfonate thus obtained was dissolved in a hydrocarbon solvent consisting of one part of a light mineral oil of naphthenic character and low Wax content, and two-thirds of a petroleum thinner, such as Stoddard solvent.
  • the resulting solution was washed with two 10% sodium chloride aqueous solutions to remove the sodium sulfate formed.
  • the sulfate-free solution was then converted to lead sulfonate by treating twice with 20% lead nitrate aqueous solution, with the temperature being maintained at about to F.
  • the lead salt was subjected to two hot water washes,
  • the resulting lead alkylbenzene sulfonate had a molecular weight of about 1000.
  • polyglycols which are used herein in combination with lead sulfonate as rust inhibitors in gasoline compositions are those exemplified by the formula:
  • R is hydrogen or a hydrocarbon radical having no more than 8 carbon atoms
  • x and y are numbers from 25 to 75 and represent the mole percent of the total moles of ethylene oxide and propylene oxide in the polyglycol.
  • the total of x and y i.e., x-l-y
  • R is not hydrogen, it is an aliphatic hydrocarbon radical containing no more than 8 carbon atoms, exemplified by the following radicals: methyl, ethyl, propyl, isopropyl, butyl, pentyl, hexyl, heptyl, n-octyl, isooctyl, Z-ethylhexyl, etc.
  • the polyglycols are derived from the combination of ethylene and propylene oxides.
  • the polyglycols which are effective herein are those having molecular weights ranging from about 300 to about 10,000. However, because of the greater effectiveness thereof, it is preferred that the molecular weights range from about 500 to about 4000.
  • the lead sulfonates may be used herein in amounts of about '1 p.p.m. to about 100 p.p.m.; preferably 10 p.p.m. to 75 p.p.m., and the polyglycols may be used in amounts of 1 p.p.m. to 50 p.p.m.; preferably, 1 p.p.m. to 10 p.p.m.
  • the weight ratio of lead sulfonate to polyglycol employed in the fuel composition is from about 10:1 to about 0.2:1. Preferred are ratios from about :1 to about 1:1.
  • the concentration of the combination added to the fuel may vary from about 2 p.p.m. to about 75 p.p.m.
  • the preferred concentration of the combination of lead sulfonate and polyglycol varies from about 2 p.p.m. to 30 p.p.m.
  • Table I hereinbelow present data showing the effectiveness of the combination of lead sulfonate and polyalkylene glycols as rust inhibitors in motor fuel compositions.
  • the rust ratings were obtained by the ASTM procedure D-665 modified to a test duration of 17 hours and carried out at 70 F.
  • the test metal specimen was immersed in the test fuel. Synthetic sea water was used.
  • the resultant specimens were visually rated as to the amount of corrosion. A rating of 7 means that the specimen was fully rusted and a rating of 1 indicates no rust on the specimen.
  • test gasoline used was an aviation gasoline hav- 4 ing the following ASTM D-86 distillation characteristics:
  • the lead sulfonate was a 20% solution of a lead alkyl benzene sulfonate having a molecular weight of about 1000 in a mixture consisting of 37.5% paraffinic base oil having a viscosity of 450 SSU at F., and 62.5% of a petroeum thinner having a 50% distillation point (ASTM D-86) of about 350 F.
  • This lead sulfonate solution contained 4.12% lead.
  • the concentration of this 20% solution used in obtaining the data of Table I hereinbelow is set forth at 5 p.p.m. and 10 p.p.m. Thus, the concentration of the undiluted lead alkyl benzene sulfonate is actually 1 p.p.m. and 2 p.p.m.
  • This polyglycol was a butyl other of a mixed ethylene-propylene polyglycol having a molecular Weight of about 880.
  • the ethylene oxide and propylene oxide groups were present in equal molar amounts.
  • This polyglycol was a butyl ether of a mixed ethylene-propylene polyglycol having a molecular weight of about 2240.
  • the ethylene oxide and propylene oxide groups were present in equal molar amounts.
  • a rust-inhibited gasoline composition consisting essentially of an internal combustion engine gasoline having incorporated therein from 1 p.p.m. to 2 p.p.m. of a lead alkyl benzene sulfonate having a molecular weight of about 1,000, and from 1 to 50 p.p.m. of a polyglycol of the formula:

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Description

United States Patent F GASOLINE COMPOSITION No Drawing. Application September 6, 1957 Serial No. 682,322
1 Claim. (Cl. 44-69) This invention is directed to rust-inhibited motor fuel compositions; in particular, gasolines having a combination of additives which act synergistically to inhibit rust formation.
After the necessary refinery operations and subsequent blending leading to their formation, gasoline compositions are transmitted into storage tanks. Such storage tanks may be immediately adjacent to the area wherein the refining and blending operations took place or they may be in an area hundreds of miles away from the refining operations. Regardless of the proximity of these storage tanks to the refining operations, the gasoline compositions must be transported in pipe lines over short distances or long distances.
It is the usual practice, before gasolines are transmitted through pipe lines over long distances, that they are stored in huge tanks until they are necessarily piped into other areas. For the most part, the storage vessels and the pipes are prepared from ferrous metals. In the final refining steps, gasolines are usually treated with aqueous solutions of basic substances and water-washed. Thus, water is suspended in the gasolines as they are placed in the storage vessels. Also, there is always a significant amount of water that gets into .the gasoline because of variations in temperatures and relative humidity resulting in air being sucked into the storage vessels and the pipe lines, with the result that such water from the air becomes carried into the containing vessels. Thus, the storage vessels and the pipe lines, because they are commonly made of ferrous metals, rust.
Over a period of time, this rusting is sufficient to result in the formation of rust particles which flake from the metal surfaces. Not only is the life of the storage vessel and the piping equipment reduced by'such a rusting process, but the rust particles often become carried into the gasoline tanks of service stations. Such particles can then be transmitted to the gasoline tanks of automobiles and possibly cause plugging of fuel lines and filters. Furthermore, the rusting in pipe lines results in increased frictionbetween the pipeline arid the gasolines, reducing the amount of gasoline which can thus flow through the lines.
It is well known that for many years the petroleum I industry as a whole-has spent large sums of money in trying to find'a solutionto-this-problein ofrusting of storage vessels and piping equipment. However, such efiforts have notbeen wholly successful in retardin g rusting. Also,many of the rust inhibitors are not entirely a compatible with the numerous gasoline additives currently being used. 1
Therefore, it is an object of this invention to provide gasoline compositions useful in internal combustion engines, which gasoline compositions have rust inhibiting properties such that the usual rusting of ferrous metal containers for gasolines is appreciably reduced in the presence of water and oxygen.
In accordance with this invention, it has been discovered that rust-inhibited gasoline compositions are obtained by incorporating therein lead sulfonates and polyglycols. Thus, the gasoline compositions of this invention comprise a major proportion Of a hydrocarbon (or mixture of hydrocarbons) suitable as gasolines for internal combustion engines, and a minor amount, suflicient to inhibit rusting of said fuel in the presence of water and oxygen, of a combination of lead sulfonates and polyglycols.
The base fuels used herein as gasoline compositions are the hydrocarbon distillates (e.g., petroleum distillates) currently produced for commercial use as gasolines for use in internal combustion engines. Such gasolines may be derived from cracked or straight-run stocks, or a blend of such stocks, and include the hydrocarbons derived from shales and like bituminous materials, or produced by reacting carbon monoxide and hydrogen as in the Fischer-Tropsch synthesis. It is particularly preferred that the gasoline compositions used herein comprise a hydrocarbon or a mixture of hydrocarbons boiling substantially within the gasoline boiling range; that is, in the ASTM D-86 boiling range of about 50 F. to about 435 F.
The particular lead sulfonates which are contemplated herein in combination with polyglycols as rust inhibiting ingredients in gasoline compositions are the lead salts of synthetic alkylbenzene produced by alkylating benzene with propylene polymers or other parafiinic group. The resulting .sulfonic acids have average molecular weights of about 400 and are characterized by an alkyl side chain of about 18 carbon atoms in length. It is of particular importance for the use of the lead sulfonates according to this invention that the molecular weights of the sulfonic acids are in the range of about 350 to 500, which corresponds to an alkylbenzene hydrocarbon having an alkyl side chain of about 14 to 20 carbon atoms in length as the starting material. Lead sulfonates of sulfonic acids of higher molecular weights are less effective in inhibiting rust formation in combination with the polyglycols herein, while, on the other hand, the lead sulfonates of sulfonic acids of lower molecular weights are more readily removed from the fuels by the water therein.
Included herein are the petroleum sulfonic acids (i.e., sulfonic acids derived from petroleum fractions) in the molecular weight range set forth hereinabove.
The following example illustrates the preparation of a lead sulfonate useful in the composition herein.
EXAMPLE I.-PREPARATION OF LEAD SULFONATE A lead sulfonate may be prepared from a synthetic alkyl aromatic hydrocarbon in the following manner: An alkyl aromatic hydrocarbon was produced by alkylating benzene with propylene polymers in the presence of a hydrofluoric acid catalyst. 25% fuming sulfuric acid was added slowly and the temperature was maintained between and F. The addition of the sulfuric acid was completed in 4 to 6 hours, after which the spent acid was allowed to settle and was withdrawn for disposal. The' sulfonicacid layer was slowly transferred to a neutralization vessel containing sufiicient caustic soda to neutralize the sulfonic acid. L
The crude sodium sulfonate thus obtained was dissolved in a hydrocarbon solvent consisting of one part of a light mineral oil of naphthenic character and low Wax content, and two-thirds of a petroleum thinner, such as Stoddard solvent. The resulting solution was washed with two 10% sodium chloride aqueous solutions to remove the sodium sulfate formed. The sulfate-free solution was then converted to lead sulfonate by treating twice with 20% lead nitrate aqueous solution, with the temperature being maintained at about to F.
The lead salt was subjected to two hot water washes,
filtered, and heated to remove the hydrocarbon solvent. The resulting lead alkylbenzene sulfonate had a molecular weight of about 1000.
The polyglycols which are used herein in combination with lead sulfonate as rust inhibitors in gasoline compositions are those exemplified by the formula:
wherein R is hydrogen or a hydrocarbon radical having no more than 8 carbon atoms, x and y are numbers from 25 to 75 and represent the mole percent of the total moles of ethylene oxide and propylene oxide in the polyglycol. The total of x and y (i.e., x-l-y) equals 100. Preferred are polymers containing equal molar amounts of ethylene oxide and propylene oxide units; that is, x=50 and y=50. More particularly preferred are the polymers containing from 7 to 14 ethylene oxide units and from 7 to 14 propylene oxide units, and wherein R in the above formula is a butyl radical.
Where R is not hydrogen, it is an aliphatic hydrocarbon radical containing no more than 8 carbon atoms, exemplified by the following radicals: methyl, ethyl, propyl, isopropyl, butyl, pentyl, hexyl, heptyl, n-octyl, isooctyl, Z-ethylhexyl, etc.
As is seen from the formula hereinabove for the polyglycols used herein in combination with lead sulfonates, the polyglycols are derived from the combination of ethylene and propylene oxides. The polyglycols which are effective herein are those having molecular weights ranging from about 300 to about 10,000. However, because of the greater effectiveness thereof, it is preferred that the molecular weights range from about 500 to about 4000.
The lead sulfonates may be used herein in amounts of about '1 p.p.m. to about 100 p.p.m.; preferably 10 p.p.m. to 75 p.p.m., and the polyglycols may be used in amounts of 1 p.p.m. to 50 p.p.m.; preferably, 1 p.p.m. to 10 p.p.m.
The weight ratio of lead sulfonate to polyglycol employed in the fuel composition is from about 10:1 to about 0.2:1. Preferred are ratios from about :1 to about 1:1. The concentration of the combination added to the fuel may vary from about 2 p.p.m. to about 75 p.p.m. The preferred concentration of the combination of lead sulfonate and polyglycol varies from about 2 p.p.m. to 30 p.p.m.
Table I hereinbelow present data showing the effectiveness of the combination of lead sulfonate and polyalkylene glycols as rust inhibitors in motor fuel compositions.
The rust ratings were obtained by the ASTM procedure D-665 modified to a test duration of 17 hours and carried out at 70 F. The test metal specimen was immersed in the test fuel. Synthetic sea water was used. The resultant specimens were visually rated as to the amount of corrosion. A rating of 7 means that the specimen was fully rusted and a rating of 1 indicates no rust on the specimen.
The test gasoline used was an aviation gasoline hav- 4 ing the following ASTM D-86 distillation characteristics:
The lead sulfonate was a 20% solution of a lead alkyl benzene sulfonate having a molecular weight of about 1000 in a mixture consisting of 37.5% paraffinic base oil having a viscosity of 450 SSU at F., and 62.5% of a petroeum thinner having a 50% distillation point (ASTM D-86) of about 350 F. This lead sulfonate solution contained 4.12% lead. The concentration of this 20% solution used in obtaining the data of Table I hereinbelow is set forth at 5 p.p.m. and 10 p.p.m. Thus, the concentration of the undiluted lead alkyl benzene sulfonate is actually 1 p.p.m. and 2 p.p.m.
This polyglycol was a butyl other of a mixed ethylene-propylene polyglycol having a molecular Weight of about 880. The ethylene oxide and propylene oxide groups were present in equal molar amounts.
This polyglycol was a butyl ether of a mixed ethylene-propylene polyglycol having a molecular weight of about 2240. The ethylene oxide and propylene oxide groups were present in equal molar amounts.
I claim:
A rust-inhibited gasoline composition consisting essentially of an internal combustion engine gasoline having incorporated therein from 1 p.p.m. to 2 p.p.m. of a lead alkyl benzene sulfonate having a molecular weight of about 1,000, and from 1 to 50 p.p.m. of a polyglycol of the formula:
(3H5 041190(CH1OH=O)=(CH:CHO),H wherein x and y represent the mol percent of the total mols of alkylene oxides present in the polyglycol and are numbers, each having a value of 50, said polyglycol having a molecular weight of 880, and wherein the weight ratio of said lead sulfonate to said polyglycol in the gasoline composition is from about 5:1 to about 1:1.
References Cited in the file of this patent UNITED STATES PATENTS 2,533,303 Watkins Dec. 12, 1950 2,575,003 Caron et a1 Nov. 13, 1951 2,799,649 Caldwell et a1. July 16, 1957
US682322A 1957-09-06 1957-09-06 Gasoline composition Expired - Lifetime US2936224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US682322A US2936224A (en) 1957-09-06 1957-09-06 Gasoline composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US682322A US2936224A (en) 1957-09-06 1957-09-06 Gasoline composition

Publications (1)

Publication Number Publication Date
US2936224A true US2936224A (en) 1960-05-10

Family

ID=24739185

Family Applications (1)

Application Number Title Priority Date Filing Date
US682322A Expired - Lifetime US2936224A (en) 1957-09-06 1957-09-06 Gasoline composition

Country Status (1)

Country Link
US (1) US2936224A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073853A (en) * 1960-09-30 1963-01-15 California Research Corp Trimethyl lead methyl sulfide
US3073852A (en) * 1960-09-30 1963-01-15 California Research Corp Bis (trimethyllead) sulfide
US3097225A (en) * 1960-09-12 1963-07-09 Ethyl Corp Acetylenic nickel compounds
US3157682A (en) * 1960-11-04 1964-11-17 Exxon Research Engineering Co Oil-soluble liquid chelate compounds and their preparation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533303A (en) * 1947-10-09 1950-12-12 Sinclair Refining Co Prevention of rust
US2575003A (en) * 1948-07-03 1951-11-13 Shell Dev Fuel oil composition
US2799649A (en) * 1954-07-14 1957-07-16 Exxon Research Engineering Co Method for inhibiting corrosion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533303A (en) * 1947-10-09 1950-12-12 Sinclair Refining Co Prevention of rust
US2575003A (en) * 1948-07-03 1951-11-13 Shell Dev Fuel oil composition
US2799649A (en) * 1954-07-14 1957-07-16 Exxon Research Engineering Co Method for inhibiting corrosion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097225A (en) * 1960-09-12 1963-07-09 Ethyl Corp Acetylenic nickel compounds
US3073853A (en) * 1960-09-30 1963-01-15 California Research Corp Trimethyl lead methyl sulfide
US3073852A (en) * 1960-09-30 1963-01-15 California Research Corp Bis (trimethyllead) sulfide
US3157682A (en) * 1960-11-04 1964-11-17 Exxon Research Engineering Co Oil-soluble liquid chelate compounds and their preparation

Similar Documents

Publication Publication Date Title
AU714140B2 (en) Fuel additives
US3658707A (en) Fuel oil and lubricating oil compositions
US2626207A (en) Fuel oil composition
US2548347A (en) Fuel oil composition
US3031284A (en) Fuel oil compositions containing high barium content complex salts of sulfonic acids
US4536189A (en) Corrosion inhibitor and motor fuel composition containing the same
US2575003A (en) Fuel oil composition
US3877889A (en) Liquid hydrocarbon fuels containing Mannich bases or derivatives thereof
CA1122800A (en) Polyether amine-maleic anhydride in gasoline
US3228758A (en) Fuels containing amine salts of alkyl acid phosphates
US4263015A (en) Rust inhibitor and oil composition containing same
US2503401A (en) Lubricants
US3247110A (en) Fuel oil and lubricating oil compositions containing metal salts of the mono-amidesof tetrapropenyl succinic acid
US2387323A (en) Antirusts
US2936224A (en) Gasoline composition
US3121059A (en) Compositions of matter having anti-rust properties
JPS5942035B2 (en) Corrosion inhibitor composition
US2914479A (en) Upper cylinder lubricant and tune-up solvent composition
US2929696A (en) Rust inhibited fuels
US4456454A (en) Mannich reaction product for motor fuels
US3730485A (en) Ashless anti-rust additives
US3079339A (en) Compounded mineral oil compositions containing amine salts of di oxo-octyl acid orthophosphates
US5266081A (en) Multifunctional ashless dispersants
US3303007A (en) Motor fuel composition
US3919094A (en) Additives for lubricants and motor fuels