US3001952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-kaolin-hydraulic cement catalyst
Assignee: Catalysts and Chemicals Europe
•
Filing: 1958-05-22
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Granted: 1961-09-26
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Expires: 1978-05-22
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Reitmeier
- 👤 Paul E Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:36
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755; 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
148 words
A METHOD OF PREPARING A TABLETED SUPPORTED NICKEL CATALYST HAVING IMPROVED STRENGTH COMPRISING MIXING A NICKEL SALT AND KAOLINITIC CLAY IN THE PRESENCE OF SUFFICIENT WATER TO FORM A MUD, CALCINING SAID MUD FOR A TIME AND AT A TEMPERATURE TO PROVIDE A DRY PRODUCT IN POWDER FORM, MIXING SAID DRY PRODUCT WITH ABOUT 12-30% OF HYDRAULIC CEMENT AND ABOUT 30 TO ABOUT 40% OF WATER BASED UPON THE WEIGHT OF MUD DRY PRODUCT TO FORM A CEMENTCONTAINING MUD, SAID MIXING BEING CONTINUED FOR A PERIOD OF TIME TO CAUSE THE CEMENT IN SAID MUD TO ABSORB WATER FROM SAID MUD TO FORM A MASS WHICH IS READILY GRANULATED THROUGH A SCREEN, GRANULATING SAID MASS AFTER SAID TIME THROUGH SAID SCREEN AND TABLETING SAID GRANULATED MASS INTO THE DESIRED SHAPE, THE TIME FOR TABLETING SAID GRANULATED MUD BEING WITHIN SIX HOURS FROM THE TIME SAID CEMENT IS ADDED.
Claim 2
Independent Claim
148 words
A METHOD OF PREPARING A TABLETED SUPPORTED NICKEL CATALYST HAVING IMPROVED STRENGTH COMPRISING MIXING A NICKEL SALT AND KAOLINITIC CLAY IN THE PRESENCE OF SUFFICIENT WATER TO FORM A MUD, CALCINING SAID MUD FOR A TIME AND AT A TEMPERATURE TO PROVIDE A DRY PRODUCT IN POWDER FORM, MIXING SAID DRY PRODUCT WITH ABOUT 12-30% OF HYDRAULIC CEMENT AND ABOUT 30 TO ABOUT 40% OF WATER BASED UPON THE WEIGHT OF MUD DRY PRODUCT TO FORM A CEMENTCONTAINING MUD, SAID MIXING BEING CONTINUED FOR A PERIOD OF TIME TO CAUSE THE CEMENT IN SAID MUD TO ABSORB WATER FROM SAID MUD TO FORM A MASS WHICH IS READILY GRANULATED THROUGH A SCREEN, GRANULATING SAID MASS AFTER SAID TIME THROUGH SAID SCREEN AND TABLETING SAID GRANULATED MASS INTO THE DESIRED SHAPE, THE TIME FOR TABLETING SAID GRANULATED MUD BEING WITHIN SIX HOURS FROM THE TIME SAID CEMENT IS ADDED.
References Cited (Backward Citations)
US2056911A
Cited
US2840531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |