US2800453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid hydrocarbon compositions
Assignee: Shell Development Co
•
Filing: 1955-11-18
•
Granted: 1957-07-23
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 Arnold A Bondi
- 👤 Lawrence B Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:51
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/06; C10M145/08; C08; C08F; C08F8/00; C08F8/12; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/195; C10L1/1955; C10M2205/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/10; C10M2215/102; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN IMPPROVED HYDROCARBON OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON OIL HAVING INCORPORATED THEREIN A MINOR AMOUNT SUFFICIENT TO IMPART STABILITY AND DETERGENCY TO SAID HYDROCARBON OIL OF A HIGH MOLECULAR OF FROM ABOUT 4,000 TO 50,000 HYDROLYZED COPOLYMER OF AN A-HYDROCARBON-OLEFIN HAVING AT LEAST 10 CARBON ATOMS WITH A VINYL ESTER OF A LOW FATTY ACID HAVING FROM 1 TO 5 CARBON ATOMS, IN THE RATIO OF FROM 1/1 TO 1/5, RESPECTIVELY.
Claim 2
Dependent Claim
75 words
AN IMPPROVED HYDROCARBON OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON OIL HAVING INCORPORATED THEREIN A MINOR AMOUNT SUFFICIENT TO IMPART STABILITY AND DETERGENCY TO SAID HYDROCARBON OIL OF A HIGH MOLECULAR OF FROM ABOUT 4,000 TO 50,000 HYDROLYZED COPOLYMER OF AN A-HYDROCARBON-OLEFIN HAVING AT LEAST 10 CARBON ATOMS WITH A VINYL ESTER OF A LOW FATTY ACID HAVING FROM 1 TO 5 CARBON ATOMS, IN THE RATIO OF FROM 1/1 TO 1/5, RESPECTIVELY.
References Cited (Backward Citations)
US2660563A
Cited
US2737496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |