US2642345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal dispersions and their use as diesel fuel additives
Assignee: EIDP Inc
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Filing: 1950-07-15
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Granted: 1953-06-16
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Expires: 1970-07-15
Abstract
No abstract record available.
Inventors
- 👤 Harris W Bradley
- 👤 Herbert K Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:49
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/106; C10L1/12; C10L1/1208; C10L1/14; C10L1/16; C10L1/1625; C10L1/1633; C10L1/1641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF AN ALKALI METAL IN AN INERT HYDROCARBON LIQUID AND CONTAINING AN ETHYLENE POLYMER HAVING A STRAIGHT CARBON CHAIN OF A LENGTH CORRESPONDING TO A MOLECULAR WEIGHT OF AT LEAST 568 IN AN AMOUNT IN EXCESS OF THE SOLUBILITY OF SAID POLYMER IN SAID LIQUID AT A TEMPERATURE LOWER THAN ABOUT 40* C., SAID COMPOSITION CONTAINING 0.001 TO 65% BY WEIGHT DISPERSED ALKALI METAL AS PARTICLES OF A SIZE NOT EXCEEDING 100 MICRONS IN DIAMETER, THE WEIGHT RATIO OF SAID POLYMER TO SAID METAL IN SAID COMPOSITION BEING WITHIN THE RANGE 1:25 TO 10:1, AND THE WEIGHT RATIO OF SAID POLYMER TO SAID HYDROCARBON LIQUID BEING NOT IN EXCESS OF 1:1.
Claim 2
Dependent Claim
118 words
A COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF AN ALKALI METAL IN AN INERT HYDROCARBON LIQUID AND CONTAINING AN ETHYLENE POLYMER HAVING A STRAIGHT CARBON CHAIN OF A LENGTH CORRESPONDING TO A MOLECULAR WEIGHT OF AT LEAST 568 IN AN AMOUNT IN EXCESS OF THE SOLUBILITY OF SAID POLYMER IN SAID LIQUID AT A TEMPERATURE LOWER THAN ABOUT 40* C., SAID COMPOSITION CONTAINING 0.001 TO 65% BY WEIGHT DISPERSED ALKALI METAL AS PARTICLES OF A SIZE NOT EXCEEDING 100 MICRONS IN DIAMETER, THE WEIGHT RATIO OF SAID POLYMER TO SAID METAL IN SAID COMPOSITION BEING WITHIN THE RANGE 1:25 TO 10:1, AND THE WEIGHT RATIO OF SAID POLYMER TO SAID HYDROCARBON LIQUID BEING NOT IN EXCESS OF 1:1.
References Cited (Backward Citations)
US2394608A
Cited
US2487334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |