US2274675A - Lubricant containing lithium salts - Google Patents

Lubricant containing lithium salts Download PDF

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Publication number
US2274675A
US2274675A US364248A US36424840A US2274675A US 2274675 A US2274675 A US 2274675A US 364248 A US364248 A US 364248A US 36424840 A US36424840 A US 36424840A US 2274675 A US2274675 A US 2274675A
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lithium
lithium salts
oil
salt
containing lithium
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US364248A
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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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    • C10M5/00—Solid or semi-solid compositions containing as the essential lubricating ingredient mineral lubricating oils or fatty oils and their use
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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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    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy

Definitions

  • This invention relates to new and improved inbricating compositions containing lithium salts of various organic acids.
  • Suitable oils may be treated with lithium salts to produce lubricants having consistencies ranging from viscous oil to grease-like structures.
  • said salt being. present in quantities of from 4%
  • the lithium compounds so used are the lithium salts of acetic, butyric, ethyl butyric, ethyl hexoic and caproic acid. These lithium salts, when added .to or produced by reactions in mineral or non-drying vegetable oils, in quanconsisting of ethyl butyric, ethyl hexoic and caproic acids and an oil from the groupconsisting of mineral oil and non-drying vegetable 4.
  • Lubricating compositions comprising a mineral oil and a lithium salt of ethyl butyric acid, said salt being present in quantities suflicient substantially to thicken said oil.
  • Lubricating compositions comprising a non- -drying vegetable oil and a lithium salt of ethyl-- butyric acid, said salt being present in quantities of from 4% to 40%.
  • Lubricating compositions comprising a nondrying vegetable oil and a lithium salt of ethyl butyric acid, said salt being present in quantities sufiicient substantially to thicken said oil.
  • Lubricating compositions comprising a mineral oil and a lithium salt of ethyl hexoic acid, said salt being present in quantities of from 4% to 40%.
  • Lubricating compositions comprising a mineral oil and a lithium salt of ethyl hexoic acid
  • Lubricating compositions comprising a non- 12.
  • Lubricating compositions comprising mineral oil and a lithium salt 01' caproic acid in quantities suflicient substantially to thicken said

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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 2,274,675 LUBRICANT CONTAINING LITHIUM SALTS Clarence E. Earle, Washington, D. O.
No Drawing.
Application November 4, 1940,
Serial No. 364,248
(Granted under the act of March 3, 1883, as amended April 30, 1928; 370 0. G. 757) 12 Claims.
This invention relates to new and improved inbricating compositions containing lithium salts of various organic acids.
It is the object of this invention to provide lubricating compositions having a suitable oil base and a consistency that may be varied to suit difierent uses by the'addition of lithium salts.
My copending application, Ser. No. 328,095, filed April 5, 1940, discloses the highly beneficial results arising from incorporating lithium soaps, of the higher fatty acids in lubricating oils, both in mineral and in non-drying vegetable oils.
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 diiierent 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 dififerent 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 treated with lithium salts to produce lubricants having consistencies ranging from viscous oil to grease-like structures.
' eral oil and a lithium salt of ethyl butyric acid,
said salt being. present in quantities of from 4% Among the lithium compounds so used are the lithium salts of acetic, butyric, ethyl butyric, ethyl hexoic and caproic acid. These lithium salts, when added .to or produced by reactions in mineral or non-drying vegetable oils, in quanconsisting of ethyl butyric, ethyl hexoic and caproic acids and an oil from the groupconsisting of mineral oil and non-drying vegetable 4. Lubricating compositions, comprising a mineral oil and a lithium salt of ethyl butyric acid, said salt being present in quantities suflicient substantially to thicken said oil.
5. Lubricating compositions, comprising a non- -drying vegetable oil and a lithium salt of ethyl-- butyric acid, said salt being present in quantities of from 4% to 40%.' I
6. Lubricating compositions, comprising a nondrying vegetable oil and a lithium salt of ethyl butyric acid, said salt being present in quantities sufiicient substantially to thicken said oil.
7. Lubricating compositions, comprising a mineral oil and a lithium salt of ethyl hexoic acid, said salt being present in quantities of from 4% to 40%.
8. Lubricating compositions, comprising a mineral oil and a lithium salt of ethyl hexoic acid,
said salt'being present in quantities suflicient substantially to thicken said oil.
9. Lubricating compositions, comprising a non- 12. Lubricating compositions, comprising mineral oil and a lithium salt 01' caproic acid in quantities suflicient substantially to thicken said
US364248A 1940-04-05 1940-11-04 Lubricant containing lithium salts Expired - Lifetime US2274675A (en)

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US328095A US2274673A (en) 1940-04-05 1940-04-05 Lubricating composition
US364248A US2274675A (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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628195A (en) * 1949-09-23 1953-02-10 Leffingwell Chemical Company Lubricating grease
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
US2878186A (en) * 1955-04-29 1959-03-17 Socony Mobil Oil Co Inc Grease composition containing sodium and/or lithium soaps of low, intermediate and high molecular weight acids, together with glycerine or related hydroxy-compound
US2878187A (en) * 1955-05-23 1959-03-17 Socony Mobil Oil Co Inc Grease composition containing alkali metal salts and soaps of intermediate molecularweight acids and of low molecular weight acids
US2883341A (en) * 1956-01-16 1959-04-21 Leffingwell Chemical Company Lithium base grease modified with lithium or aluminum 2-ethyl hexanoate
US2918431A (en) * 1956-05-29 1959-12-22 Exxon Research Engineering Co Blended grease compositions
US2922762A (en) * 1956-02-13 1960-01-26 Exxon Research Engineering Co Twister ring lubricant
US2976242A (en) * 1955-04-01 1961-03-21 Exxon Research Engineering Co Lubricating grease compositions
US2999065A (en) * 1960-11-07 1961-09-05 Socony Mobil Oil Co Inc Lubricant containing a calcium saltcalcium soaps mixture and process for forming same
US2999066A (en) * 1960-12-28 1961-09-05 Socony Mobil Oil Co Inc Lubricant containing a calcium saltcalcium soap mixture and process for forming same
US3000824A (en) * 1957-11-13 1961-09-19 Exxon Research Engineering Co Lubricating oil composition
US3071547A (en) * 1960-08-23 1963-01-01 Exxon Research Engineering Co Mixed-salt lubricants

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628195A (en) * 1949-09-23 1953-02-10 Leffingwell Chemical Company Lubricating grease
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
US2976242A (en) * 1955-04-01 1961-03-21 Exxon Research Engineering Co Lubricating grease compositions
US2878186A (en) * 1955-04-29 1959-03-17 Socony Mobil Oil Co Inc Grease composition containing sodium and/or lithium soaps of low, intermediate and high molecular weight acids, together with glycerine or related hydroxy-compound
US2878187A (en) * 1955-05-23 1959-03-17 Socony Mobil Oil Co Inc Grease composition containing alkali metal salts and soaps of intermediate molecularweight acids and of low molecular weight acids
US2883341A (en) * 1956-01-16 1959-04-21 Leffingwell Chemical Company Lithium base grease modified with lithium or aluminum 2-ethyl hexanoate
US2922762A (en) * 1956-02-13 1960-01-26 Exxon Research Engineering Co Twister ring lubricant
US2918431A (en) * 1956-05-29 1959-12-22 Exxon Research Engineering Co Blended grease compositions
US3000824A (en) * 1957-11-13 1961-09-19 Exxon Research Engineering Co Lubricating oil composition
US3071547A (en) * 1960-08-23 1963-01-01 Exxon Research Engineering Co Mixed-salt lubricants
US2999065A (en) * 1960-11-07 1961-09-05 Socony Mobil Oil Co Inc Lubricant containing a calcium saltcalcium soaps mixture and process for forming same
US2999066A (en) * 1960-12-28 1961-09-05 Socony Mobil Oil Co Inc Lubricant containing a calcium saltcalcium soap mixture and process for forming same

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