US2274673A - Lubricating composition - Google Patents

Lubricating composition Download PDF

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Publication number
US2274673A
US2274673A US328095A US32809540A US2274673A US 2274673 A US2274673 A US 2274673A US 328095 A US328095 A US 328095A US 32809540 A US32809540 A US 32809540A US 2274673 A US2274673 A US 2274673A
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US
United States
Prior art keywords
lubricating
oil
lubricating composition
polymerized
higher fatty
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
US328095A
Inventor
Clarence E Earle
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Individual
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Individual
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Filing date
Publication date
Priority to NL73006D priority Critical patent/NL73006C/xx
Priority to NL137009D priority patent/NL137009C/xx
Priority to NL66982D priority patent/NL66982C/xx
Priority to NL66799D priority patent/NL66799C/xx
Priority to US259921A priority patent/US2274613A/en
Priority to US328095A priority patent/US2274673A/en
Application filed by Individual filed Critical Individual
Priority to US364247A priority patent/US2274674A/en
Priority to US364246A priority patent/US2293052A/en
Priority to US364249A priority patent/US2274676A/en
Priority to US364248A priority patent/US2274675A/en
Publication of US2274673A publication Critical patent/US2274673A/en
Application granted granted Critical
Priority claimed from US472509A external-priority patent/US2397956A/en
Priority to FR1090381D priority patent/FR1090381A/en
Priority to GB21283/47A priority patent/GB637932A/en
Priority to CH269511D priority patent/CH269511A/en
Priority to GB722/48A priority patent/GB643536A/en
Priority to DEP14700D priority patent/DE842108C/en
Priority to DEN32A priority patent/DE886948C/en
Priority to US103164A priority patent/US2566793A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C10M7/00—Solid or semi-solid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single solid or semi-solid substances
    • 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
    • C10M169/06—Mixtures of thickeners and additives
    • C—CHEMISTRY; METALLURGY
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    • 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
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    • 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
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    • 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
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    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/104—Aromatic fractions
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    • C10M2203/106—Naphthenic fractions
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    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/108—Residual fractions, e.g. bright stocks
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    • 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
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    • C10M2205/17—Fisher Tropsch reaction products
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    • C10M2205/20—Natural rubber; Natural resins
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    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
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    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Definitions

  • compositions of mineral oil or vegetable oil, lithium soaps and a stabilizing agent such as polymerized esters of the acrylic series can be used in production of a lubricating grease.
  • a mixture having the following formulation limits may be employed, the percentages depending upon the type of service for which it is intended:
  • a preferred process of preparing the lubricating grease is as follows, for example: 85 parts of a mineral oil is heated up to C. to 250 C. at'which temperature 14 parts of lithium stearate is added and the temperature maintained for twenty to thirty minutes. soap becomes thoroughly mixed with the oil, the temperature is allowed to slowly recede. At about C. while the solution is still fluid one part of cetyl methacrylate is added and thoroughly stirred-into the solution. The solution is allowed to cool and jell after which it is ready for use.
  • My invention includes the employment of polymerized esters of acrylic and methacrylic acids.
  • a lubricating composition comprising a mineral oil, and a lithium soap of a higher fatty acid in quantity sufiicient substantially to thicken said oil.
  • a lubricating composition comprising a vegetable oil and a lithium soap of a higher fatty acid in quantity sufllcient substantially to thicken said oil.
  • a lubricating composition comprising a mineral oil, a lithium soap of a' higher fatty acid in quantity sufiicient substantially to thicken said oil and a polymerized ester of acrylic acid.
  • a lubricating composition comprising a vegetable oil, a lithium soap of a higher fatty acid in quantity suflicient substantially to thicken and a polymerized ester of acrylic acid.
  • a lubricating composition comprising oleaginous material selected from the group consisting of mineral oils and vegetable oils, a lithium soap of a higher fatty acid in quantity suflicient substantially to thicken and a polymerized ester of methacrylic acid.
  • a lubricating composition comprising oleaginous material selected from the group consisting of mineral oils and vegetable oils, a lithium soap in quantity substantially to thicken, and a polymerized vinyl ester having a hydrocar- After the bon radical having an excess of 6 carbon atoms.
  • a lubricating-composition comprising oleaginous material selected from the group con- 'sisting of mineral oils and vegetable oils, a V lithium soap in quantity substantially to thicken,-
  • a lubricating grease comprising 54 to 90 parts of an oleaginous material selected from the group consisting of mineral and vegetable oils, 10 to 40 parts of a lithium soap of a higher fatty acid, and

Description

- Patented Mar. 3, 1942 UNITED STATES PATENT OFFICE- 2.214.673 wnmca'rmo COMPOSITION Clarence E. Earle, Washington, D. C.
No Drawing. Application April 5, 1940,
Serial No. 328,095
(Granted under the act of March 3, 1883, as amended April 30, 1928; 370 0. G. 757) Claims.
manufactured and produced by compounding mineral oil and'metallic salts such as sodium stearate, potassium stear'ate, or the oleates or other higher fatty acid salts of these two metals or alkaline earth salts of these acids such as those of calcium, barium, strontium, etc. It is significant to point out here that neither the literature nor the books on the art mention the use of lithium salts of the higher fatty acids, such as stearates, oleates, palmitates, etc., for producing greases.
I have found that the use of lithium soap or salts of soap forming higher fatty acids in the production of lubricating greases gives the greases entirely different properties from those obtained by the use of the other alkali metal salts. The greases produced by my method are water resistant, whereas the other alkali salts do not give such a property. My lithium soap greases withstand temperature greatly in excess of those containing other alkali metal salts. The properties of these improved lubricating greases are not only widely different from the other alkali metal soap types but also they are much more stable to temperature and pressure, both chemically and physically.
I have found that the addition of polymerized esters of the acrylic series materially improves the thixotropic properties of my lubricating compounds. Also I have found that the polymers of vinyl esters with long chains enhance the thixotropic properties of these improved lubricating compounds.
Various compositions of mineral oil or vegetable oil, lithium soaps and a stabilizing agent such as polymerized esters of the acrylic series can be used in production of a lubricating grease. As an example, a mixture having the following formulation limits may be employed, the percentages depending upon the type of service for which it is intended:
Percent by weight Mineral nil 90-54 Lithium soap or salt 10-40 Polymerized esters of methacrylic acid--- 0- 6 A preferred process of preparing the lubricating grease is as follows, for example: 85 parts of a mineral oil is heated up to C. to 250 C. at'which temperature 14 parts of lithium stearate is added and the temperature maintained for twenty to thirty minutes. soap becomes thoroughly mixed with the oil, the temperature is allowed to slowly recede. At about C. while the solution is still fluid one part of cetyl methacrylate is added and thoroughly stirred-into the solution. The solution is allowed to cool and jell after which it is ready for use. My invention includes the employment of polymerized esters of acrylic and methacrylic acids.
I have also found that the addition of small amounts of lithium soaps to lubricating oils improves their lubricating properties, thus lowering the power consumption and leakage from bear ing interfaces.
The grease made in accordance with my infor governmental purposes without the payment of any royalties thereon or therefor.
I claim:
1. A lubricating composition comprising a mineral oil, and a lithium soap of a higher fatty acid in quantity sufiicient substantially to thicken said oil.
2. A lubricating composition comprising a vegetable oil and a lithium soap of a higher fatty acid in quantity sufllcient substantially to thicken said oil.-
' 3. A lubricating composition comprising a mineral oil, a lithium soap of a' higher fatty acid in quantity sufiicient substantially to thicken said oil and a polymerized ester of acrylic acid.
4. A lubricating composition comprising a vegetable oil, a lithium soap of a higher fatty acid in quantity suflicient substantially to thicken and a polymerized ester of acrylic acid.
5. A lubricating composition comprising oleaginous material selected from the group consisting of mineral oils and vegetable oils, a lithium soap of a higher fatty acid in quantity suflicient substantially to thicken and a polymerized ester of methacrylic acid.
6. A lubricating composition comprising oleaginous material selected from the group consisting of mineral oils and vegetable oils, a lithium soap in quantity substantially to thicken, and a polymerized vinyl ester having a hydrocar- After the bon radical having an excess of 6 carbon atoms.
7. A lubricating-composition comprising oleaginous material selected from the group con- 'sisting of mineral oils and vegetable oils, a V lithium soap in quantity substantially to thicken,-
and a polymerized ester of acrylic acid.
8. As a new composition of matter, a lubricating grease comprising 54 to 90 parts of an oleaginous material selected from the group consisting of mineral and vegetable oils, 10 to 40 parts of a lithium soap of a higher fatty acid, and
not more than 6 parts of a polymerized lon'gchained ester of methacrylic acid.
1 ent in quantities suflicient substantially to thicken the oil.
CLARENCE E. EARLE.
US328095A 1939-03-04 1940-04-05 Lubricating composition Expired - Lifetime US2274673A (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
NL73006D NL73006C (en) 1940-04-05
NL137009D NL137009C (en) 1940-04-05
NL66982D NL66982C (en) 1940-04-05
NL66799D NL66799C (en) 1940-04-05
US259921A US2274613A (en) 1939-03-04 1939-03-04 Refrigeration apparatus
US328095A US2274673A (en) 1940-04-05 1940-04-05 Lubricating composition
US364248A US2274675A (en) 1940-04-05 1940-11-04 Lubricant containing lithium salts
US364246A US2293052A (en) 1940-04-05 1940-11-04 Lubricant containing a lithium compound
US364247A US2274674A (en) 1940-04-05 1940-11-04 Lubricant containing a lithium compound
US364249A US2274676A (en) 1940-04-05 1940-11-04 Lubricant containing lithium salts
FR1090381D FR1090381A (en) 1940-04-05 1947-07-30 Lubricants
GB21283/47A GB637932A (en) 1940-04-05 1947-08-05 Improvements in or relating to lubricants
CH269511D CH269511A (en) 1940-04-05 1947-08-07 Lubricant.
GB722/48A GB643536A (en) 1940-04-05 1948-01-09 Lubricating compositions
DEP14700D DE842108C (en) 1940-04-05 1948-10-02 lubricant
DEN32A DE886948C (en) 1940-04-05 1948-10-12 lubricant
US103164A US2566793A (en) 1940-04-05 1949-07-05 Grease compositions

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US328095A US2274673A (en) 1940-04-05 1940-04-05 Lubricating composition
US472509A US2397956A (en) 1943-01-15 1943-01-15 Production of lubricants
GB2566793X 1948-10-18

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US2274673A true US2274673A (en) 1942-03-03

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US328095A Expired - Lifetime US2274673A (en) 1939-03-04 1940-04-05 Lubricating composition
US103164A Expired - Lifetime US2566793A (en) 1940-04-05 1949-07-05 Grease compositions

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US103164A Expired - Lifetime US2566793A (en) 1940-04-05 1949-07-05 Grease compositions

Country Status (6)

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US (2) US2274673A (en)
CH (1) CH269511A (en)
DE (2) DE842108C (en)
FR (1) FR1090381A (en)
GB (2) GB637932A (en)
NL (4) NL73006C (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417264A (en) * 1944-01-01 1947-03-11 Standard Oil Dev Co Lubricant
US2432577A (en) * 1942-05-02 1947-12-16 Patterson Smoke screen composition
US2443378A (en) * 1944-07-08 1948-06-15 Du Pont Chemical process and product
US2446177A (en) * 1945-06-21 1948-08-03 George M Hain Silicone grease and method of preparation
US2450219A (en) * 1945-04-10 1948-09-28 Texas Co Texture-stable lithium base grease
US2451039A (en) * 1941-12-24 1948-10-12 Standard Oil Dev Co Lubricant
US2451895A (en) * 1946-06-08 1948-10-19 Shell Dev Synthetic grease
US2468099A (en) * 1947-10-01 1949-04-26 Standard Oil Dev Co High-temperature grease
US2489281A (en) * 1947-04-04 1949-11-29 California Research Corp Methacrylates in constant viscosity oils
US2491028A (en) * 1947-10-11 1949-12-13 Standard Oil Dev Co Lubricating grease compositions
US2553568A (en) * 1943-02-25 1951-05-22 Finkelstein Leo Incendiary filling for bombs
US2577706A (en) * 1948-11-26 1951-12-04 California Research Corp High melting-high water-resistant grease
US2623017A (en) * 1950-08-03 1952-12-23 Phillips Petroleum Co Gel-type grease
US2681313A (en) * 1950-02-20 1954-06-15 California Research Corp Alkyl orthosilicate and alkoxysiloxane base grease compositions
US2696470A (en) * 1951-03-01 1954-12-07 Standard Oil Dev Co Lubricating greases thickened with carbon black
US2719124A (en) * 1953-05-15 1955-09-27 Exxon Research Engineering Co Grease compositions containing oxonated acid soaps
US2737494A (en) * 1952-09-27 1956-03-06 Socony Mobil Oil Co Inc Stable greases containing synthetic gelling agents
US4027070A (en) * 1974-03-08 1977-05-31 Nippon Steel Corporation Steel plate for preparing cans by ironing

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755249A (en) * 1956-07-17 Halogenated hydrocarbon-treated
US2651616A (en) * 1948-01-13 1953-09-08 Shell Dev Lithium hydroxy stearate grease compositions
BE510612A (en) * 1951-04-13
US2606153A (en) * 1951-04-25 1952-08-05 Gen Electric Silicone greases
US2755247A (en) * 1951-04-27 1956-07-17 Texas Co Wide temperature range alkali metal grease containing excess alkali metal hydroxides
US2712527A (en) * 1952-08-26 1955-07-05 Exxon Research Engineering Co Improved lubricating greases containing dihydroxy stearic acid soap
NL91455C (en) * 1952-10-16
FR1109884A (en) * 1953-08-10 1956-02-02 Bataafsche Petroleum Fat compositions
FR1113358A (en) * 1953-10-05 1956-03-28 Bataafsche Petroleum Fat compositions
US2905644A (en) * 1956-07-24 1959-09-22 Commercial Solvents Corp Anticorrosion agent
US2991247A (en) * 1957-12-18 1961-07-04 Kurt R Fisch Process for forming a semifluid grease involving cooling to a subzero temperature
NL110177C (en) * 1958-03-05
FR1226563A (en) * 1959-02-20 1960-07-13 Exxon Standard Sa Improved fats
DE1271882B (en) * 1960-07-01 1968-07-04 Chem Fab Hoesch K G Lithium soap grease
US5595965A (en) * 1996-05-08 1997-01-21 The Lubrizol Corporation Biodegradable vegetable oil grease
US5858934A (en) * 1996-05-08 1999-01-12 The Lubrizol Corporation Enhanced biodegradable vegetable oil grease

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2397956A (en) * 1943-01-15 1946-04-09 Internat Lubricant Corp Production of lubricants
US2403104A (en) * 1942-10-17 1946-07-02 Union Oil Co Lithium greases
US2450219A (en) * 1945-04-10 1948-09-28 Texas Co Texture-stable lithium base grease
US2450255A (en) * 1945-04-17 1948-09-28 Texas Co Method of preparing lithium base greases
US2450220A (en) * 1945-05-03 1948-09-28 Texas Co Texture-stable lithium base grease
US2475589A (en) * 1947-04-18 1949-07-12 Shell Dev Lubricating grease composition

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451039A (en) * 1941-12-24 1948-10-12 Standard Oil Dev Co Lubricant
US2432577A (en) * 1942-05-02 1947-12-16 Patterson Smoke screen composition
US2553568A (en) * 1943-02-25 1951-05-22 Finkelstein Leo Incendiary filling for bombs
US2417264A (en) * 1944-01-01 1947-03-11 Standard Oil Dev Co Lubricant
US2443378A (en) * 1944-07-08 1948-06-15 Du Pont Chemical process and product
US2450219A (en) * 1945-04-10 1948-09-28 Texas Co Texture-stable lithium base grease
US2446177A (en) * 1945-06-21 1948-08-03 George M Hain Silicone grease and method of preparation
US2451895A (en) * 1946-06-08 1948-10-19 Shell Dev Synthetic grease
US2489281A (en) * 1947-04-04 1949-11-29 California Research Corp Methacrylates in constant viscosity oils
US2468099A (en) * 1947-10-01 1949-04-26 Standard Oil Dev Co High-temperature grease
US2491028A (en) * 1947-10-11 1949-12-13 Standard Oil Dev Co Lubricating grease compositions
US2577706A (en) * 1948-11-26 1951-12-04 California Research Corp High melting-high water-resistant grease
US2681313A (en) * 1950-02-20 1954-06-15 California Research Corp Alkyl orthosilicate and alkoxysiloxane base grease compositions
US2623017A (en) * 1950-08-03 1952-12-23 Phillips Petroleum Co Gel-type grease
US2696470A (en) * 1951-03-01 1954-12-07 Standard Oil Dev Co Lubricating greases thickened with carbon black
US2737494A (en) * 1952-09-27 1956-03-06 Socony Mobil Oil Co Inc Stable greases containing synthetic gelling agents
US2719124A (en) * 1953-05-15 1955-09-27 Exxon Research Engineering Co Grease compositions containing oxonated acid soaps
US4027070A (en) * 1974-03-08 1977-05-31 Nippon Steel Corporation Steel plate for preparing cans by ironing

Also Published As

Publication number Publication date
GB637932A (en) 1950-05-31
FR1090381A (en) 1955-03-30
DE886948C (en) 1953-08-20
GB643536A (en) 1950-09-20
NL66799C (en)
DE842108C (en) 1952-06-23
CH269511A (en) 1950-07-15
NL73006C (en)
NL137009C (en)
NL66982C (en)
US2566793A (en) 1951-09-04

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