US2830880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic treatment of sulfur-contaminated hydrocarbons for the production of hydrogen
Assignee: Hercules Powder Co
•
Filing: 1954-12-24
•
Granted: 1958-04-15
•
Expires: 1974-12-24
Abstract
No abstract record available.
Inventors
- 👤 James H Shapleigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:20
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR PRODUCING HYDROGEN FROM SULFURCONTAMINATED HYDROCARBONS, WHEREIN CHEMICAL POISONING OF NICKEL CATALYST BY SULFUR AND CARBON IS MINIMIZED WHICH COMPRISE PASSING A MIXTURE O AN OXIDIZING GAS, COMPRISING STEAM AND A FLUID HYDROCARBON CONTAINING AT LEAST 25 GRAINS OF SULFUR (EXPRESSED AS H2S) PER 100 CUBIC FEET OF VAPORIZED HYDROCARBON INTO CONTACT WITH A NICKEL CATALYST IN THE PRESENCE OF AT LEAST 60 MOLES OF HYDROGEN TO EACH MOLE OF SULFUR AT INITIAL NICKLE CATALYST CONTACT, AND MAINTAINING SAID CATALST AT A TEMPERATURE OF BETWEEN 100* AND 1500*F.
Claim 2
Dependent Claim
90 words
A PROCESS FOR PRODUCING HYDROGEN FROM SULFURCONTAMINATED HYDROCARBONS, WHEREIN CHEMICAL POISONING OF NICKEL CATALYST BY SULFUR AND CARBON IS MINIMIZED WHICH COMPRISE PASSING A MIXTURE O AN OXIDIZING GAS, COMPRISING STEAM AND A FLUID HYDROCARBON CONTAINING AT LEAST 25 GRAINS OF SULFUR (EXPRESSED AS H2S) PER 100 CUBIC FEET OF VAPORIZED HYDROCARBON INTO CONTACT WITH A NICKEL CATALYST IN THE PRESENCE OF AT LEAST 60 MOLES OF HYDROGEN TO EACH MOLE OF SULFUR AT INITIAL NICKLE CATALYST CONTACT, AND MAINTAINING SAID CATALST AT A TEMPERATURE OF BETWEEN 100* AND 1500*F.
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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |