US3284355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Mobil Oil AS
•
Filing: 1963-09-12
•
Granted: 1966-11-08
•
Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Andreas G Papayannopoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:49
CPC Classifications
C; C10; C10M; C10M131/00; C10M131/08; C10M131/12; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10M2219/00; C10M2219/08; C10M2219/082; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/047; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
69 words
AN EXTREME PRESSURE LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL HAVING A SAYBOLT UNIVERSAL VISCOSITY AT 210* F. OF AT LEAST 50 SECONDS AND A MINOR PROPORTION SUFFICIENT TO IMPROVE THE EXTREME PRESSURE CHARACERISTICS THEREOF, OF A CARBOXYLIC ACID COMPOUND CONTAINING FROM 5 TO ABOUT 9 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF PERCHLORINATED ALIPHATIC CARBOXYLIC ACID COMPOUNDS AND PERFLUOROCHLORINATED ALIPHATIC CARBOXYLIC ACID COMPOUNDS.
Claim 2
Dependent Claim
69 words
AN EXTREME PRESSURE LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL HAVING A SAYBOLT UNIVERSAL VISCOSITY AT 210* F. OF AT LEAST 50 SECONDS AND A MINOR PROPORTION SUFFICIENT TO IMPROVE THE EXTREME PRESSURE CHARACERISTICS THEREOF, OF A CARBOXYLIC ACID COMPOUND CONTAINING FROM 5 TO ABOUT 9 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF PERCHLORINATED ALIPHATIC CARBOXYLIC ACID COMPOUNDS AND PERFLUOROCHLORINATED ALIPHATIC CARBOXYLIC ACID COMPOUNDS.
Claim 3
Dependent Claim
47 words
THE COMPOSITION OF CLAIM 1 WHEREIN THERE IS PRESENT A MEMBER SELECTED FROM THE GROUP CONSISTING OF TRICAPRYLAMINE, ZINC DIHEXYLDITHIPHOSPHATE, TRI-ISOCTOTHIONOPHOSPHATE AND TRI-BUTYLTRITHIOPHOSPHITE WHEREIN SAID MEMBERS ARE PRESENT IN A MOLAR RATIO OF FROM ABOUT 0.01:1 TO ABOUT 501 OF SAID MEMBER TO SAID CARBOXYLIC ACID COMPOUND.
References Cited (Backward Citations)
US2272923A
Cited
US2680717A
Cited
US2715107A
Cited
US2915552A
Cited
GB842647A
Cited
US2921874A
Cited
GB859732A
Cited
US3226323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |