Patent US2628890A successfully refreshed from Google Patents.
US2628890A
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Process for the decomposition of hydrocarbons
Assignee: Hercules Powder Co
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Filing: 1946-06-20
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Granted: 1953-02-17
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Expires: 1966-06-20
Abstract
No abstract record available.
Inventors
- 👤 James H Shapleigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384; C01B3/40; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A ONE STEP PROCESS FOR CATALYTIC CRACKING OF SULFUR POLLUTED FLUID HYDROCARBONS TO PRODUCE HIGH WEIGHT YIELDS OF HYDROGEN AND CARBON OXIDES WHICH COMPRISES PASSING A MIXTURE OF STEAM AND A FLUID HYDROCARBON CONTAINING AT LEAST 1 GR. OF SULFUR PER 100 CU. FT. OF HYDROCARBON IN GASEOUS PHASE OVER A HEATED CATALYTIC BODY CONTAINING AT LEAST 10% NICKEL, AT LEAST PART OF THE CTALYTIC BODY BEING MAINTAINED AT A TEMPERTURE OF AT LEAST 900* C.
Claim 2
Dependent Claim
76 words
A ONE STEP PROCESS FOR CATALYTIC CRACKING OF SULFUR POLLUTED FLUID HYDROCARBONS TO PRODUCE HIGH WEIGHT YIELDS OF HYDROGEN AND CARBON OXIDES WHICH COMPRISES PASSING A MIXTURE OF STEAM AND A FLUID HYDROCARBON CONTAINING AT LEAST 1 GR. OF SULFUR PER 100 CU. FT. OF HYDROCARBON IN GASEOUS PHASE OVER A HEATED CATALYTIC BODY CONTAINING AT LEAST 10% NICKEL, AT LEAST PART OF THE CTALYTIC BODY BEING MAINTAINED AT A TEMPERTURE OF AT LEAST 900* C.
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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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |