Patent US4584078A successfully refreshed from Google Patents.
US3028331A
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Hydrogen production in a tcc process
Assignee: ExxonMobil Oil Corp
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Filing: 1959-04-07
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Granted: 1962-04-03
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Tucker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:36
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/04; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; C01B3/32; C01B3/34; C01B3/38; C01B3/40; C01B3/42; C10G49/00; C10G49/007; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0266; C01B2203/0277; C01B2203/04; C01B2203/0465; C01B2203/048; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1247; C01B2203/1258; C01B2203/1264; C01B2203/127; C01B2203/1288; C01B2203/14; C01B2203/142; C01B2203/148; C01B2203/16; C01B2203/1642; C01B2203/1647; C01B2203/1652; C01B2203/1657; C01B2203/1685
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN THE OPERATION OF A MOVING BED HYDROCARBON CONVERSION PROCESS IN WHICH A GRANULAR CRACKING CATALYST SUPPORTING NICKEL IS PASSED AS A COMPACT GRAVITATING MASS CYCLICALLY THROUGH REACTION AND REGENERATION ZONES AND THE CATALYST IS CONTACTED IN THE REACTION ZONE WITH A HYDROCARBON CHARGE TO CRACK THE CHARGE TO MORE DESIRABLE PRODUCTS AND PROVIDE A VARIABLE SUPPLY OF HYDROGEN, THE IMPROVED METHOD OF OPERATION WHICH COMPRISES THE STEPS OF: MAINTAINING THE NICKEL CONTENT ON THE CATALYST BETWEEN ABOUT 400 AND 4000 PARTS PER MILLION OF NICKEL TO PRODUCE ALONG WITH THE CRACKED PRODUCTS A SUBSTANTIAL VOLUME OF HYDROGEN GAS, INCREASING THE NICKEL CONTENT ON THE CATALYST WITHIN THE RANGE ABOUT 400-4000 PARTS PER MILLION IN THE SYSTEM IN RESPONSE TO A DEMAND FOR ADDITIONAL HYDROGEN AND REDUCING THE NICKEL CONTENT ON THE CALATLYST WITHIN SAID RANGE IN RESPONSE TO A DECREASE IN DEMAND FOR HYDROGEN, WHEREBY A VARIABLE SUPPLY OF HYDROGEN IS PROVIDED ALONG WITH THE USUAL HYDROCARBON PRODUCTS.
Claim 2
Dependent Claim
159 words
IN THE OPERATION OF A MOVING BED HYDROCARBON CONVERSION PROCESS IN WHICH A GRANULAR CRACKING CATALYST SUPPORTING NICKEL IS PASSED AS A COMPACT GRAVITATING MASS CYCLICALLY THROUGH REACTION AND REGENERATION ZONES AND THE CATALYST IS CONTACTED IN THE REACTION ZONE WITH A HYDROCARBON CHARGE TO CRACK THE CHARGE TO MORE DESIRABLE PRODUCTS AND PROVIDE A VARIABLE SUPPLY OF HYDROGEN, THE IMPROVED METHOD OF OPERATION WHICH COMPRISES THE STEPS OF: MAINTAINING THE NICKEL CONTENT ON THE CATALYST BETWEEN ABOUT 400 AND 4000 PARTS PER MILLION OF NICKEL TO PRODUCE ALONG WITH THE CRACKED PRODUCTS A SUBSTANTIAL VOLUME OF HYDROGEN GAS, INCREASING THE NICKEL CONTENT ON THE CATALYST WITHIN THE RANGE ABOUT 400-4000 PARTS PER MILLION IN THE SYSTEM IN RESPONSE TO A DEMAND FOR ADDITIONAL HYDROGEN AND REDUCING THE NICKEL CONTENT ON THE CALATLYST WITHIN SAID RANGE IN RESPONSE TO A DECREASE IN DEMAND FOR HYDROGEN, WHEREBY A VARIABLE SUPPLY OF HYDROGEN IS PROVIDED ALONG WITH THE USUAL HYDROCARBON PRODUCTS.
References Cited (Backward Citations)
CA531599A
Cited
US2899380A
Cited
US2083795A
Cited
US2780584A
Cited
US2719108A
Cited
US2885352A
Cited
US2903413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |