US2274676A - Lubricant containing lithium salts - Google Patents

Lubricant containing lithium salts Download PDF

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Publication number
US2274676A
US2274676A US364249A US36424940A US2274676A US 2274676 A US2274676 A US 2274676A US 364249 A US364249 A US 364249A US 36424940 A US36424940 A US 36424940A US 2274676 A US2274676 A US 2274676A
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lithium salts
oil
lithium
containing lithium
lubricant containing
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US364249A
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Clarence E Earle
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Priority claimed from US328095A external-priority patent/US2274673A/en
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Priority claimed from US472509A external-priority patent/US2397956A/en
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    • 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
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    • 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
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    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Definitions

  • Suitable oils may be created with lithium salts to produce lubricants having consistencies ranging from viscous oil to grease-like structures.
  • lithium compounds so used are the lithium salts of acetic, butyric, ethyl butyric, ethyl hexoic and caproic acid.
  • These lithium salts can be, when added to or produced by reactions in mineral or non-drying vegetable oils, in quantities from 4% to 40% by weight, give smooth homogeneous compositions that have high heat resistance, excellent water resistance may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.
  • Lubricating compositions comprising a lithium salt of an acid from the group consisting of acetic and butyric acids and an oil from the group consisting of mineral and'non-drying vegetable oils, said salt being present in quantities of from 4% to 40%.
  • Lubricating compositions comprising a lithium salt of an acid from the group consisting of acetic and butyric acids and an oil from the 6.
  • Lubricating compositions comprising a nondryin Vegetable oil and a lithium salt of acetic acid in quantities sufficient substantially to thicken said oil.
  • Lubricating compositions comprising mineral oil and a lithium salt of butyric acid in quantities of from 4% to 40%.
  • Lubricating compositions comprising mineral oil 'and a lithium salt of butyric acid in quantities suflicient substantially to thickensaid oil.
  • Lubricating compositions comprising a nondrying vegetable oil and a lithium salt of butyric acid in quantities of from 4% to'40%.
  • Lubricating compositions comprising a non-drying vegetable oil and 'a lithium saltofbutyric acid in quantities suflicient substantially to thicken said oil.

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

Description

Patented Mar. 3, 1942 UNITED STATES PATENTOFFICE LUBRICANT CONTAINING LITHIUM SALTS Clarence E. Earle, Washington, D. C.
No Drawing.
Application November 4, 1940, Serial No. 364,249 a L 1 Claims. (Cl. 25256) (Granted under the act of March 3, 1883, as
amended April'30, 1928; 379 0. G. 757) of the higher fatty acids in lubricating oils, both in mineral and in non-drying vegetable oils. 7
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 diiferent 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 temperatures greatly in excess of those containing other alkali metal salts. The properties of these improved lubricating greases are not only widely diiierent from the other alkali metal soap types but also they are much more stable to temperature and pressure, both chemically and physically.
Suitable oils may be created with lithium salts to produce lubricants having consistencies ranging from viscous oil to grease-like structures.
Among the lithium compounds so used are the lithium salts of acetic, butyric, ethyl butyric, ethyl hexoic and caproic acid. These lithium salts can be, when added to or produced by reactions in mineral or non-drying vegetable oils, in quantities from 4% to 40% by weight, give smooth homogeneous compositions that have high heat resistance, excellent water resistance may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.
I claim:
1. Lubricating compositions, comprising a lithium salt of an acid from the group consisting of acetic and butyric acids and an oil from the group consisting of mineral and'non-drying vegetable oils, said salt being present in quantities of from 4% to 40%.
2. Lubricating compositions, comprising a lithium salt of an acid from the group consisting of acetic and butyric acids and an oil from the 6. Lubricating compositions, comprising a nondryin Vegetable oil and a lithium salt of acetic acid in quantities sufficient substantially to thicken said oil.
7. Lubricating compositions, comprising mineral oil and a lithium salt of butyric acid in quantities of from 4% to 40%.
8. Lubricating compositions, comprising mineral oil 'and a lithium salt of butyric acid in quantities suflicient substantially to thickensaid oil.
9. Lubricating compositions, comprising a nondrying vegetable oil and a lithium salt of butyric acid in quantities of from 4% to'40%.
10. Lubricating compositions, comprising a non-drying vegetable oil and 'a lithium saltofbutyric acid in quantities suflicient substantially to thicken said oil. 1
CLARENCE E. EARLE
US364249A 1940-04-05 1940-11-04 Lubricant containing lithium salts Expired - Lifetime US2274676A (en)

Priority Applications (1)

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US364249A US2274676A (en) 1940-04-05 1940-11-04 Lubricant containing lithium salts

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US328095A US2274673A (en) 1940-04-05 1940-04-05 Lubricating composition
US364249A US2274676A (en) 1940-04-05 1940-11-04 Lubricant containing lithium salts
US472509A US2397956A (en) 1943-01-15 1943-01-15 Production of lubricants
GB2566793X 1948-10-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455892A (en) * 1946-08-27 1948-12-07 Internat Lubricant Corp Lubricating greases and method of making the same
US2514286A (en) * 1947-12-31 1950-07-04 Standard Oil Dev Co Lubricating grease and method of preparing same
US2863847A (en) * 1955-04-01 1958-12-09 Exxon Research Engineering Co Lubricating oils thickened to a grease with hydrous metal salts and process for forming same
US2927892A (en) * 1957-08-06 1960-03-08 Exxon Research Engineering Co Oil dispersions of calcium acetate hydrates
US3053767A (en) * 1959-01-26 1962-09-11 Richfield Oil Corp Greases thickened with lithium soaps of ethyl hexanoic acid, fatty materials, and esters of 12-hydroxystearic acid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455892A (en) * 1946-08-27 1948-12-07 Internat Lubricant Corp Lubricating greases and method of making the same
US2514286A (en) * 1947-12-31 1950-07-04 Standard Oil Dev Co Lubricating grease and method of preparing same
US2863847A (en) * 1955-04-01 1958-12-09 Exxon Research Engineering Co Lubricating oils thickened to a grease with hydrous metal salts and process for forming same
US2927892A (en) * 1957-08-06 1960-03-08 Exxon Research Engineering Co Oil dispersions of calcium acetate hydrates
US3053767A (en) * 1959-01-26 1962-09-11 Richfield Oil Corp Greases thickened with lithium soaps of ethyl hexanoic acid, fatty materials, and esters of 12-hydroxystearic acid

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