Patent US2493715A successfully refreshed from Google Patents.
US2493715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized iron pentacarbonyl and motor fuel containing the same
Assignee: GAF Chemicals Corp
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Filing: 1946-05-21
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Granted: 1950-01-03
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Expires: 1966-05-21
Abstract
No abstract record available.
Inventors
- 👤 Christ Robert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:28
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A COMPOSITON COMPRISING IRON PENTACARBONYL BLENDED WITH A MINOR PROPORTION OF A HYDROCARBON-SOLUBLE PARTIAL ALKYLAMIDE OF A SATURATED ALIPHATIC HYDROXY POLYCARBOXYLIC ACID WHEREIN THE ALKYL RADICAL OF THE AMIDE GROUP IN EACH INSTANCE CONTAINS AT LEAST FOUR CARBON ATOMS, THE AMOUNT OF THE ALKYLAMIDE BEING SUFFICIENT TO INCREASE THE STABILITY TO LIGHT OF THE IRON PENTACARBONYL.
Claim 2
Dependent Claim
56 words
A COMPOSITON COMPRISING IRON PENTACARBONYL BLENDED WITH A MINOR PROPORTION OF A HYDROCARBON-SOLUBLE PARTIAL ALKYLAMIDE OF A SATURATED ALIPHATIC HYDROXY POLYCARBOXYLIC ACID WHEREIN THE ALKYL RADICAL OF THE AMIDE GROUP IN EACH INSTANCE CONTAINS AT LEAST FOUR CARBON ATOMS, THE AMOUNT OF THE ALKYLAMIDE BEING SUFFICIENT TO INCREASE THE STABILITY TO LIGHT OF THE IRON PENTACARBONYL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |