Patent US2706677A successfully refreshed from Google Patents.
US2706677A
Expired / Lapsed
US
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Amines and amides as anti-stalling additives
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1950-06-28
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Granted: 1955-04-19
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Expires: 1970-06-28
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Duncan
- 👤 William E Lifson
- 👤 Joseph P Haworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:10
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOSITION COMPRISING A MIXTURE OF HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE CONTAINING FROM ABOUT .2 TO 5% BY VOLUME OF DIMETHYL FORMAMIDE.
Claim 2
Dependent Claim
24 words
A COMPOSITION COMPRISING A MIXTURE OF HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE CONTAINING FROM ABOUT .2 TO 5% BY VOLUME OF DIMETHYL FORMAMIDE.
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) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |