US2642344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal dispersions
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
- 👤 Herbert K Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:20
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0043
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
234 words
A COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF FINELY DIVIDED ALKALI METAL PARTICLES OF A SIZE NOT EXCEEDING ABOUT 125 MICRONS IN DIAMETER IN AN ORGANIC LIQUID INERT TO SAID METAL AND HAVING A BOILING POINT ABOVE THE MELTING POINT OF SIAD METAL AND CONTAINING 0.001 TO 65% BY WEIGHT OF DISPERSED ALKALI METAL AND AT LEAST 0.05% BUT NOT MORE THAN ABOUT 5% BY WEIGHT, BASED ON THE ALKALI METAL CONTENT OF SAID COMPOSITION, OF A COMPOUND OF THE FORMULA R-0-X IN WHICH THE SUM OF THE CARBON ATOMS PLUS OXYGEN ATOMS IS 5 TO 31, X IS FROM THE GROUP CONSISTING OF HYDROGEN AND ALKALI METAL AND R CONTAINS NO ELEMENT OTHER THAN HYDROGEN, CARBON AND OXYGEN AND IS SELECTED FROM THE GROUP CONSISTING OF: (A) UNSUBSTITUTED, SATURATED AND UNSATURATED, ACYCLIC AND ALICYCLIC, ALIPHATIC RADICALS; (B) SUBSTITUTED, SATURATED AND UNSATURATED ACYCLIC AND ALICYCLIC, ALPHATIC RADICALS IN WHICH EACH SUBSTITUENTS IS AN ALKOXY GROUP HAVING 1 TO 3 CARBONS AND THE TOTAL NUMBER OF SUCH SUBSTITUENTS IS 1 TO 3; (C) UNSUBSTITUTED AROMATIC RADICALS OF THE BENZENE AND NAPHTHALENE SERIES; (D) AROMATIC RADICALS OF THE BENZENE AND NAPHTHALENE SERIES HAVING BUT ONE SUBSTITUENT GROUP WHICH IS AN ALKOXY GROUP OF 1 TO 3 CARBONS; AND (E) AROMATIC RADICALS OF THE BENZENE AND NAPHTHALENE SERIES HAVING TO 1 TO 2 SUBSTITUENT GROUPS EACH OF WHICH IS AN ALKYL GROUP OF 1 TO 18 CARBONS.
Claim 2
Dependent Claim
234 words
A COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF FINELY DIVIDED ALKALI METAL PARTICLES OF A SIZE NOT EXCEEDING ABOUT 125 MICRONS IN DIAMETER IN AN ORGANIC LIQUID INERT TO SAID METAL AND HAVING A BOILING POINT ABOVE THE MELTING POINT OF SIAD METAL AND CONTAINING 0.001 TO 65% BY WEIGHT OF DISPERSED ALKALI METAL AND AT LEAST 0.05% BUT NOT MORE THAN ABOUT 5% BY WEIGHT, BASED ON THE ALKALI METAL CONTENT OF SAID COMPOSITION, OF A COMPOUND OF THE FORMULA R-0-X IN WHICH THE SUM OF THE CARBON ATOMS PLUS OXYGEN ATOMS IS 5 TO 31, X IS FROM THE GROUP CONSISTING OF HYDROGEN AND ALKALI METAL AND R CONTAINS NO ELEMENT OTHER THAN HYDROGEN, CARBON AND OXYGEN AND IS SELECTED FROM THE GROUP CONSISTING OF: (A) UNSUBSTITUTED, SATURATED AND UNSATURATED, ACYCLIC AND ALICYCLIC, ALIPHATIC RADICALS; (B) SUBSTITUTED, SATURATED AND UNSATURATED ACYCLIC AND ALICYCLIC, ALPHATIC RADICALS IN WHICH EACH SUBSTITUENTS IS AN ALKOXY GROUP HAVING 1 TO 3 CARBONS AND THE TOTAL NUMBER OF SUCH SUBSTITUENTS IS 1 TO 3; (C) UNSUBSTITUTED AROMATIC RADICALS OF THE BENZENE AND NAPHTHALENE SERIES; (D) AROMATIC RADICALS OF THE BENZENE AND NAPHTHALENE SERIES HAVING BUT ONE SUBSTITUENT GROUP WHICH IS AN ALKOXY GROUP OF 1 TO 3 CARBONS; AND (E) AROMATIC RADICALS OF THE BENZENE AND NAPHTHALENE SERIES HAVING TO 1 TO 2 SUBSTITUENT GROUPS EACH OF WHICH IS AN ALKYL GROUP OF 1 TO 18 CARBONS.
Claim 3
Dependent Claim
65 words
A FUEL FOR COMPRESSION-IGNITION ENGINES OF THE DIESEL TYPE CONSISTING ESSENTIALLY OF A HYDROCARBON FUEL AND CONTAINING 0.0001 TO 0.5% BY WEIGHT OF FINELY DIVIDED ALKALI METAL HAVING A PARTICLE SIZE NOT EXCEEDING ABOUT 125 MICRONS IN DIAMETER DISPERSED THEREIN AND 0.05 TO 5% BY WEIGHT, BASED ON THE WEIGHT OF SAID METAL, OF A COMPOUND OF THE FORMULA R-O-X AS DEFINED IN CLAIM 1.
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) | 1956-06-15 | 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 |