US2913397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenolysis of coal hydrogenation products
Assignee: Union Carbide Corp
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Filing: 1956-09-19
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Granted: 1959-11-17
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Expires: 1976-09-19
Abstract
No abstract record available.
Inventors
- 👤 Jr James V Murray
- 👤 John D Fales
- 👤 Marion A Eccles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:20
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS APPLIED TO THE PRODUCTS OF COAL HYDROGENATION WHICH COMPRISES INTIMATELY CONTACTING A FEED CONTAINING SAID PRODUCTS WITH GASEOUS HYDROGEN IN THE AMOUNT OF AT LEAST TWO MOLS OF HYDROGEN PER MOL OF FREED, SAID PROCESS BEING CARRIED OUT IN THE ABSENCE OF A CATALYST, AT A TEMPERATURE OF FROM 525* C. TO 700* C. AND AT A PRESSURE ABOVE 1000 POUNDS PER SQUARE INCH GAUGE, FOR NO MORE THAN 15 MINUTES.
Claim 2
Dependent Claim
73 words
A PROCESS APPLIED TO THE PRODUCTS OF COAL HYDROGENATION WHICH COMPRISES INTIMATELY CONTACTING A FEED CONTAINING SAID PRODUCTS WITH GASEOUS HYDROGEN IN THE AMOUNT OF AT LEAST TWO MOLS OF HYDROGEN PER MOL OF FREED, SAID PROCESS BEING CARRIED OUT IN THE ABSENCE OF A CATALYST, AT A TEMPERATURE OF FROM 525* C. TO 700* C. AND AT A PRESSURE ABOVE 1000 POUNDS PER SQUARE INCH GAUGE, FOR NO MORE THAN 15 MINUTES.
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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |