US2611746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition
Assignee: Alcoa Corp
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Filing: 1949-12-17
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Granted: 1952-09-23
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Expires: 1969-12-17
Abstract
No abstract record available.
Inventors
- 👤 Kipp Egbert Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:41
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2227/00; C10M2227/06; C10M2227/063; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL BLENDED WITH A MINOR PROPORTION OF A BODY CONSISTING ESSENTIALLY OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC, AROMATIC AND HETEROCYCLIC MONO- AND POLYAMINES, AMINO ALCOHOLS AND AMIDES AND BF3, SAID BODY BEING PREPARED BY EXPOSING SAID SUBSTANCES TO DIRECT CONTCT WITH A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF GASEOUS BF3 AND DECOMPOSABLE COMPOUNDS YIELDING GASEOUS BF3 AND BEING PRESENT IN SUCH AMOUNT THAT THE LUBRICATING COMPOSITION CONTAINS FROM 0.001 TO 3 PER CENT BY WEIGHT OF BF3, SAID LUBRICATING COMPOSITION POSSESSING EXTREME PRESSURE CHARACTERISTICS SUPERIOR TO THOSE EXHIBITED BY A SIMILAR COMPOSITION IN WHICH THE MINOR PROPORTION AFORESAID CONSISTS OF SAID SUBSTANCES SELECTED FROM THE CLASS CONSISTING OF AMINES, AMINO ALCOHOLS AND AMIDES.
Claim 2
Dependent Claim
129 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL BLENDED WITH A MINOR PROPORTION OF A BODY CONSISTING ESSENTIALLY OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC, AROMATIC AND HETEROCYCLIC MONO- AND POLYAMINES, AMINO ALCOHOLS AND AMIDES AND BF3, SAID BODY BEING PREPARED BY EXPOSING SAID SUBSTANCES TO DIRECT CONTCT WITH A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF GASEOUS BF3 AND DECOMPOSABLE COMPOUNDS YIELDING GASEOUS BF3 AND BEING PRESENT IN SUCH AMOUNT THAT THE LUBRICATING COMPOSITION CONTAINS FROM 0.001 TO 3 PER CENT BY WEIGHT OF BF3, SAID LUBRICATING COMPOSITION POSSESSING EXTREME PRESSURE CHARACTERISTICS SUPERIOR TO THOSE EXHIBITED BY A SIMILAR COMPOSITION IN WHICH THE MINOR PROPORTION AFORESAID CONSISTS OF SAID SUBSTANCES SELECTED FROM THE CLASS CONSISTING OF AMINES, AMINO ALCOHOLS AND AMIDES.
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) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |