Patent US2647042A successfully refreshed from Google Patents.
US2647042A
Expired / Lapsed
US
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Production of hydrogen-rich gases
Assignee: Houdry Process Corp
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Filing: 1946-07-23
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Granted: 1953-07-28
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Expires: 1966-07-23
Abstract
No abstract record available.
Inventors
- 👤 Mills George Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:28
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE PROCESS WHICH COMPRISES THE STEPS OF EFFECTING CATALYTIC CONVERSION OF HYDROCARBONS AT AN ELEVATED TEMPERATURE IN THE PRESENCE OF A REFRACTORY INORGANIC CONTACT MASS WITH THE CONCOMITANT DEPOSITION OF A NON-VOLATILE HYDROCARBONACEOUS MATERIAL ON SAID CONTACT MASS, AFTER THE TERMINATION OF THE STEP INVOLVING THE CATALYTIC CONVERSION OF HYDROCARBONS, SUBJECTING CONTACT MASS COMPRISING SAID NON-VOLATILE HYDROCARBONACEOUS MATERIAL TO THERMAL TREATMENT IN THE PRESENCE OF INERT GAS AND IN A NON-OXIDIZING ATMOSPHERE AT A TEMPERATURE ABOVE 1200* F. AND NOT IN EXCESS OF 1800* F., THEREBY DECOMPOSING SAID HYDROCARBONACEOUS MATERIAL WITH THE EVOLUTION OF GAS CONSISTING PREDOMINANTLY OF HYDROGEN.
Claim 2
Dependent Claim
99 words
THE PROCESS WHICH COMPRISES THE STEPS OF EFFECTING CATALYTIC CONVERSION OF HYDROCARBONS AT AN ELEVATED TEMPERATURE IN THE PRESENCE OF A REFRACTORY INORGANIC CONTACT MASS WITH THE CONCOMITANT DEPOSITION OF A NON-VOLATILE HYDROCARBONACEOUS MATERIAL ON SAID CONTACT MASS, AFTER THE TERMINATION OF THE STEP INVOLVING THE CATALYTIC CONVERSION OF HYDROCARBONS, SUBJECTING CONTACT MASS COMPRISING SAID NON-VOLATILE HYDROCARBONACEOUS MATERIAL TO THERMAL TREATMENT IN THE PRESENCE OF INERT GAS AND IN A NON-OXIDIZING ATMOSPHERE AT A TEMPERATURE ABOVE 1200* F. AND NOT IN EXCESS OF 1800* F., THEREBY DECOMPOSING SAID HYDROCARBONACEOUS MATERIAL WITH THE EVOLUTION OF GAS CONSISTING PREDOMINANTLY OF HYDROGEN.
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) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |