US2635041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal dispersions
Assignee: EIDP Inc
•
Filing: 1950-06-23
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Granted: 1953-04-14
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Expires: 1970-06-23
Abstract
No abstract record available.
Inventors
- 👤 Virgil L Hansley
- 👤 Willard John P Hilts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:27
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0043; C; C10; C10L; C10L1/00; C10L1/10; C10L1/106; C10L1/12; C10L1/1208; C10L1/1216; C10L1/14; C10L1/16; C10L1/1625; C10L1/1633; C10L1/1658; C10L1/1666; C10L1/18; C10L1/188; C10L1/1881
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A FLUID COMPOSITION COMPRISING A DISPERSION OF AN ALKALI METAL IN AN ORGANIC LIQUID INERT TO SAID METAL AND HAVING A BOILING POINT ABOVE THE MELTING POINT OF SAID METAL, IN WHICH COMPOSITION THE SIZE OF THE DISPERSED METAL PARTICLES AVERAGES NOT MORE THAN 50 MICROMS IN DIAMETER, SAID COMPOSITION CONTAINING AN ALKALI METAL DERIVATIVE OF AN UNSATURATED HYDROCARBON HAVING A MOLECULAR WEIGHT OF ABOUT 100 TO 2,000 AND AN IODINE NUMBER OF 50 TO 450 IN AN AMOUNT NOT EXCEEDING 15% BY WEIGHT OF SAID COMPOSITION AND EQUAL TO 1 TO 25% BY WEIGHT OF THE ALKALI METAL CONTENT OF SAID COMPOSITION, SAID AMOUNTS OF SAID DERIVATIVE BEING CALCULATED IN TERMS OF ITS PARENT UNSATURATED HYDROCARBON.
Claim 2
Dependent Claim
117 words
A FLUID COMPOSITION COMPRISING A DISPERSION OF AN ALKALI METAL IN AN ORGANIC LIQUID INERT TO SAID METAL AND HAVING A BOILING POINT ABOVE THE MELTING POINT OF SAID METAL, IN WHICH COMPOSITION THE SIZE OF THE DISPERSED METAL PARTICLES AVERAGES NOT MORE THAN 50 MICROMS IN DIAMETER, SAID COMPOSITION CONTAINING AN ALKALI METAL DERIVATIVE OF AN UNSATURATED HYDROCARBON HAVING A MOLECULAR WEIGHT OF ABOUT 100 TO 2,000 AND AN IODINE NUMBER OF 50 TO 450 IN AN AMOUNT NOT EXCEEDING 15% BY WEIGHT OF SAID COMPOSITION AND EQUAL TO 1 TO 25% BY WEIGHT OF THE ALKALI METAL CONTENT OF SAID COMPOSITION, SAID AMOUNTS OF SAID DERIVATIVE BEING CALCULATED IN TERMS OF ITS PARENT UNSATURATED HYDROCARBON.
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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |