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US3850827A Expired / Lapsed US ⏱️ 0.0 years remaining

Sperm oil substitute from blend of carboxylic acid esters of glycols

Assignee: SMITH W Inc
•
Filing: 1971-04-19
•
Granted: 1974-11-26
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Expires: 1991-04-19
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Abstract

Abstract A liquid lubricant comprising a blend of mono- and di-esters of an organic glycol having from 2 to 6 carbon atoms and a molecular weight of up to 200, and a monocarboxylic acid having from 10 to 24 carbon atoms. The blend includes a sufficient amount of monoesters to serve as a nonionic emulsifier and to impart watermiscibility to the blend. Preferably a sufficient amount of carbon-to-carbon unsaturation is present in the esters to provide to the blend an iodine number up to about 190. The lubricant blend has a balance of properties adapting it to be used as a substitute for sperm oil. The blend may be used as such or chemically combined with sulfur, chlorine or other halogens, phosphorous, and the like.

Inventors

  • 👤 R Zipf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 12:23
CPC Classifications
C; C10; C10M; C10M107/00; C10M107/20; C10M107/30; C10M107/32; C10M107/34; C10M145/00; C10M145/18; C10M145/24; C10M145/26; C10M145/38; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/28; C10M2207/283; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2213/00; C10M2213/04; C10M2213/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/042; C10M2219/044; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/12; C10M2225/00; C10M2225/02; C10N; C10N2040/00; C10N2040/20; C10N2040/46

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 117 words
A LUBRICANT COMPRISING A BLEND CONSISTING ESSENTIALLY OF FATTY ACIDS EACH HAVING FROM 10 TO 24 CARBON ATOMS AND MONOESTERS AND DI-ESTERS OF SAID FATTY ACIDS WITH GLYCOLS SELECTED FROM THE CLASS CONSISTING OF SIMPLE GLYCOLS, EACH HAVING FROM 2 TO 6 CARBON ATOMS, POLYMERS THEREOF HAVING MOLECULAR WEIGHTS UP TO 282, AND MIXTURES THEREOF, AT LEAST 10 PERCENT BY WEIGHT OF SAID TOTAL MONO-ESTERS AND DI-ESTERS BEING MONOESTERS, SAID BLEND HAVING A HYDROXYL NUMBER IN THE RANGE OF ABOUT 15 TO ABOUT 70, AN ACID NUMBER LESS THAN 15, A POUR POINT BELOW 30*F., AN S.U.S. VISCOSITY AT 100*F. IN THE RANGE OF ABOUT 90 TO ABOUT 120 AND AN IODINE NUMBER FROM 0 TO 190.
Claim 2
Dependent Claim 117 words
A LUBRICANT COMPRISING A BLEND CONSISTING ESSENTIALLY OF FATTY ACIDS EACH HAVING FROM 10 TO 24 CARBON ATOMS AND MONOESTERS AND DI-ESTERS OF SAID FATTY ACIDS WITH GLYCOLS SELECTED FROM THE CLASS CONSISTING OF SIMPLE GLYCOLS, EACH HAVING FROM 2 TO 6 CARBON ATOMS, POLYMERS THEREOF HAVING MOLECULAR WEIGHTS UP TO 282, AND MIXTURES THEREOF, AT LEAST 10 PERCENT BY WEIGHT OF SAID TOTAL MONO-ESTERS AND DI-ESTERS BEING MONOESTERS, SAID BLEND HAVING A HYDROXYL NUMBER IN THE RANGE OF ABOUT 15 TO ABOUT 70, AN ACID NUMBER LESS THAN 15, A POUR POINT BELOW 30*F., AN S.U.S. VISCOSITY AT 100*F. IN THE RANGE OF ABOUT 90 TO ABOUT 120 AND AN IODINE NUMBER FROM 0 TO 190.
Claim 3
Dependent Claim 21 words
A lubricant in accordance with claim 1 wherein all of said fatty acids are employed in the form of tall oil.

References Cited (Backward Citations)

US2210140A Cited
US2281676A Cited
US2802024A Cited
US2798083A Cited
US2939874A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-25 1978-05-27 1978-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-25 1982-05-27 1982-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-25 1986-05-27 1986-11-26 $7700.00 Window Closed / Lapsed

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