Patent US3417029A successfully refreshed from Google Patents.
US3417029A
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Catalyst composition
Assignee: Pullman Inc
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Filing: 1963-04-05
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Granted: 1968-12-17
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Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:49
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; B01J37/00; B01J37/02; B01J37/0201; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 4 AND ABOUT 40 WEIGHT PERCENT NICKEL, AT LEAST 2 AND LESS THAN 20 WEIGHT PERCENT OF AN ALKALI METAL COMPOUND, CALCULATED AS THE METAL, AND A DIFFICULTLY REDUCIBLE REFRACTORY SUPPORT CONSISTING ESSENTIALLY OF ALUMINA, MAGNESIA AND CALCIUM OXIDE.
Claim 2
Dependent Claim
47 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 4 AND ABOUT 40 WEIGHT PERCENT NICKEL, AT LEAST 2 AND LESS THAN 20 WEIGHT PERCENT OF AN ALKALI METAL COMPOUND, CALCULATED AS THE METAL, AND A DIFFICULTLY REDUCIBLE REFRACTORY SUPPORT CONSISTING ESSENTIALLY OF ALUMINA, MAGNESIA AND CALCIUM OXIDE.
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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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |