US2513022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of hydrogen
Assignee: Phillips Petroleum Co
•
Filing: 1944-10-05
•
Granted: 1950-06-27
•
Expires: 1964-10-05
Abstract
No abstract record available.
Inventors
- 👤 Carl J Helmers
- 👤 Paul H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:27
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; B; B01; B01J; B01J38/00; B01J38/04; B01J38/12; C01B3/46; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE PROCESS FOR PRODUCING HYDROGEN BY THE CONVERSION OF HYDROCARBONS AND STEAM IN THE PRESENCE OF A CATALYST FAVORABLE TO CARBONIZATION IN ONE STAGE AND THE FORMATION OF CARBON DIOXIDE AND HYDROGEN IN ANOTHER STAGE WHICH COMPRISES IN THE FIRST STAGE PASSING PREHEATED HYDROCARBON FLUIDS OVER SAID CATALYST UNDER CONDITIONS OF TIME, TEMPERATURE, AND PRESSURE WHICH EFFECT THE DEPOSITION OF AN AMOUNT OF CARBON THEREON BETWEEN 0.05 AND 0.3 POUND PER POUD OF CATALYST, AND
Claim 2
Dependent Claim
75 words
THE PROCESS FOR PRODUCING HYDROGEN BY THE CONVERSION OF HYDROCARBONS AND STEAM IN THE PRESENCE OF A CATALYST FAVORABLE TO CARBONIZATION IN ONE STAGE AND THE FORMATION OF CARBON DIOXIDE AND HYDROGEN IN ANOTHER STAGE WHICH COMPRISES IN THE FIRST STAGE PASSING PREHEATED HYDROCARBON FLUIDS OVER SAID CATALYST UNDER CONDITIONS OF TIME, TEMPERATURE, AND PRESSURE WHICH EFFECT THE DEPOSITION OF AN AMOUNT OF CARBON THEREON BETWEEN 0.05 AND 0.3 POUND PER POUD OF CATALYST, AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |