US3852204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: Total Petrochemicals and Refining USA Inc
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Filing: 1970-09-18
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Granted: 1974-12-03
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Expires: 1990-09-18
Abstract
Abstract Lubricant compositions comprising: lubr A. 5-80 PERCENT MINERAL OIL B. 10-75 PERCENT LIQUID POLYBUTENE C. 3-30 PERCENT SUPERBASED ALKALINE EARTH METAL SULFONATE D. MINOR AMOUNT OF ALKENYL SUCCINIMIDE.
Inventors
- 👤 G Souillard
- 👤 Quaethoven F Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
C; C10; C10M; C10M111/00; C10M111/04; C10M2201/00; C10M2201/085; C10M2203/00; C10M2203/10; C10M2203/1006; C10M2203/102; C10M2203/1025; C10M2203/104; C10M2203/1045; C10M2203/106; C10M2203/1065; C10M2203/108; C10M2203/1085; C10M2205/00; C10M2205/02; C10M2205/0206; C10M2205/026; C10M2205/0265; C10M2205/028; C10M2205/0285; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/027; C10M2207/028; C10M2207/10; C10M2207/16; C10M2207/28; C10M2207/282; C10M2207/2825; C10M2207/285; C10M2207/2855; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/086; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/06; C10M2223/065; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/252; C10N2040/253; C10N2040/255; C10N2040/26; C10N2040/28; C10N2050/00; C10N2050/015; C10N2050/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
90 words
A LUBRICANT FOR INTERNAL COMBUSTION ENGINES COMPRISING FROM 10 TO 75 PERCENT OF LIQUID POLYBUTENE HAVING A VISCOSITY IN THE RANGE OF ABOUT 30 UP TO 600 SSU AT 210*F AND A MOLECULAR WEIGHT OF LESS THAN ABOUT 1,000, 5 TO 80 PERCENT MINERAL LUBRICATING OIL HAVING A VISCOSITY IN THE RANGE OF ABOUT 50 TO 1,000 SSU AT 100*F, AND 3 TO 30 PERCENT OF A SULFONIC ACID SUPERBASED WITH AN ALKALINE EARTH METAL SELECTED FROM THE GROUP CONSISTING OF CALCIUM, BARIUM AND MAGNESIUM, THE PROPORTIES BEING BY WEIGHT.
Claim 2
Dependent Claim
90 words
A LUBRICANT FOR INTERNAL COMBUSTION ENGINES COMPRISING FROM 10 TO 75 PERCENT OF LIQUID POLYBUTENE HAVING A VISCOSITY IN THE RANGE OF ABOUT 30 UP TO 600 SSU AT 210*F AND A MOLECULAR WEIGHT OF LESS THAN ABOUT 1,000, 5 TO 80 PERCENT MINERAL LUBRICATING OIL HAVING A VISCOSITY IN THE RANGE OF ABOUT 50 TO 1,000 SSU AT 100*F, AND 3 TO 30 PERCENT OF A SULFONIC ACID SUPERBASED WITH AN ALKALINE EARTH METAL SELECTED FROM THE GROUP CONSISTING OF CALCIUM, BARIUM AND MAGNESIUM, THE PROPORTIES BEING BY WEIGHT.
Claim 3
Dependent Claim
45 words
Crackcase lubricant as defined in claim 1 for four-stroke spark-ignition and compression ignition engines comprising from 10 to 24 percent of liquid polybutene, 5 to 80 percent mineral lubricating oil and 3 to 15 percent of said superbased sulfonate additive, the proportions being by weight.
Claim 4
Dependent Claim
48 words
Cylinder spray lubricant for low speed marine diesel engines as defined in claim 1 comprising from 10 to 24 percent of said liquid polybutene, 5 to 80 percent of said mineral lubricating oil and 5 to 30 percent of said superbased sulfonate additive, the proportions being by weight.
Claim 5
Dependent Claim
18 words
The lubricant as defined in claim 1, wherein the polybutene is hydrogenated polybutene to stable, substantially colorless form.
Claim 6
Dependent Claim
31 words
The lubricant as defined in claim 2, wherein the additive comprises a sulfonic acid superbased with two alkaline earth metal compounds selected from the group consisting of calcium, magnesium and barium.
Claim 7
Dependent Claim
17 words
The lubricant as defined in claim 3, wherein the additive comprises a sulfonic acid superbased with magnesium.
Claim 8
Dependent Claim
95 words
A lubricant for internal combustion engines as defined in claim 1 further containing a small but effective quantity (comprising from 10 to 75% of liquid polybutene having a viscosity in the range of about 30 up to 600 SSU at 210*F and a molecular weight of less than about 1000, 5 to 80% mineral lubricating oil having a viscosity in the range of about 50 to 1000 SSU at 100*F, and 3 to 30%) of an alkylene polyamine amide of an alkenyl succinic acid in which the alkylene polyamine is triethylene tetramine or tetraethylene pentamine.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |