US2533700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonfoaming lubricant composition
Assignee: Standard Oil Co
•
Filing: 1946-09-06
•
Granted: 1950-12-12
•
Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:31
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10M2229/053; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A LUBRICANT COMPOSITION WHICH SUBSTANTIALLY NON-FOAMING IN THE PRESENCE OF A HIGH MOLECULAR WEIGHT FATTY COMPOUND SELECTED FROM THE GROUP CONSISTING OF HIGH MOLECULAR WEIGHT FATS, HIGH MOLECULAR WEIGHT FATTY ACIDS AND HEAVY METAL SOAPS OF HIGH MOLECULAR WEIGHT FATTY ACIDS, CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL, A SMALL AMOUNT BUT NOT MORE THAN 0.1%, OF A POLYMERIC ORGANIC SILION COMPOUND SELECTED FROM THE GRUP CONSISTING OF A NORMALLY LIQUID POLYDIMETHYL SILOXANE AND A NORMALLY LIQUID POLYDIMETHYL SILICATE, AND A SMALL AMOUNT BUT NOT MORE THAN 3%, OF AN ALKALI SOAP OF A PREFERENTIALLY OIL-SOLUBLE PETROLEUM SULFONIC ACID.
Claim 2
Dependent Claim
103 words
A LUBRICANT COMPOSITION WHICH SUBSTANTIALLY NON-FOAMING IN THE PRESENCE OF A HIGH MOLECULAR WEIGHT FATTY COMPOUND SELECTED FROM THE GROUP CONSISTING OF HIGH MOLECULAR WEIGHT FATS, HIGH MOLECULAR WEIGHT FATTY ACIDS AND HEAVY METAL SOAPS OF HIGH MOLECULAR WEIGHT FATTY ACIDS, CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL, A SMALL AMOUNT BUT NOT MORE THAN 0.1%, OF A POLYMERIC ORGANIC SILION COMPOUND SELECTED FROM THE GRUP CONSISTING OF A NORMALLY LIQUID POLYDIMETHYL SILOXANE AND A NORMALLY LIQUID POLYDIMETHYL SILICATE, AND A SMALL AMOUNT BUT NOT MORE THAN 3%, OF AN ALKALI SOAP OF A PREFERENTIALLY OIL-SOLUBLE PETROLEUM SULFONIC ACID.
References Cited (Backward Citations)
US1718335A
Cited
US1742623A
Cited
US1984633A
Cited
FR825526A
Cited
US2252110A
Cited
US2378820A
Cited
US2375007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |