US2704745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized extreme pressure lubricant
Assignee: ExxonMobil Oil Corp
•
Filing: 1954-02-01
•
Granted: 1955-03-22
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Harry L Kopp
- 👤 Leo W Manley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:00
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/16; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2010/00; C10N2010/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF A REFINED MINERAL LUBRICATING OIL AND (1) FROM ABOUT 0.1% TO ABOUT 3.0% BY WEIGHT OF A SULFUR- AND NITROGEN-CONTAINING ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-BENZOTHIAZYL N-N DIETHYL THIO CARBAMYL SULFIDE, 2-BENZOTHIAZYL N-N DIBUTYL THIO CARBAMYL SULFIDE, OXYPENTGAMETHYLENE THIO CARBAMYL DIETHYL THIO CARBAMYL SULFIDE, BIS-4-METHYBENZOTHIAZYL DISULFIDE, BENZOTHIAZYL-N-BUTYL DISULFIDE AND BENZOTHIAZYL-TERT-BUTYL DISULFIDE AND (2) FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF LEAD NAPHTHENATE.
Claim 2
Dependent Claim
75 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF A REFINED MINERAL LUBRICATING OIL AND (1) FROM ABOUT 0.1% TO ABOUT 3.0% BY WEIGHT OF A SULFUR- AND NITROGEN-CONTAINING ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-BENZOTHIAZYL N-N DIETHYL THIO CARBAMYL SULFIDE, 2-BENZOTHIAZYL N-N DIBUTYL THIO CARBAMYL SULFIDE, OXYPENTGAMETHYLENE THIO CARBAMYL DIETHYL THIO CARBAMYL SULFIDE, BIS-4-METHYBENZOTHIAZYL DISULFIDE, BENZOTHIAZYL-N-BUTYL DISULFIDE AND BENZOTHIAZYL-TERT-BUTYL DISULFIDE AND (2) FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF LEAD NAPHTHENATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |