US3298966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a calcium-nickel phosphate catalyst
Assignee: Phillips Petroleum Co
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Filing: 1962-04-11
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Granted: 1967-01-17
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Expires: 1982-04-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Lucien J Bagnetto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:17
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/185; B01J27/1853
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS FOR PREPARING A CALCIUM-NICKEL-PHOSPHATE CATALYST EMPLOYABLE FOR THE DEHYDROGENATION OF OLEFINS WHICH COMPRISES FIRST INTRODUCING AN AQUEOUS SOLUTION OF SOLUBLE CALCIUM AND NICKEL SALTS HAVING AN INITIAL ACIDIC PH INTO A CATALYST PREPARATION ZONE AND THEREAFTER INTRODUCING, WITH MIXING, INTO SAID SOLUTION OF SOLUBLE CALCIUM AND NICKEL SALTS AND AQUEOUS SOLUTION OF AMMONIUM PHOSPHATE AND PRECIPITATING A METAL-PHOSPHATE MATERIAL AT A FINAL PH IN THE RANGE OF 7 TO 9, SAID CALCIUM AND NICKEL BEING CHEMICALLY COMBINED WITH PHOSPHATE RADICALS IN THE RELATIVE PROPORTIONS OF BETWEEN 6 AND 1I ATOMS OF CALCIUM PER ATOM OF NICKEL, AND TREATING THE PRECIPITATED METALPHOSPHATE MATERIAL WITH CHROMIUM OXIDE SO AS TO ADD CHROMIUM XOIDE IN AN MAOUNT LESS THAN THE WEIGHT OF SAID PRECIPITATED METAL-PHOSPHATE MATERIAL.
Claim 2
Dependent Claim
125 words
A PROCESS FOR PREPARING A CALCIUM-NICKEL-PHOSPHATE CATALYST EMPLOYABLE FOR THE DEHYDROGENATION OF OLEFINS WHICH COMPRISES FIRST INTRODUCING AN AQUEOUS SOLUTION OF SOLUBLE CALCIUM AND NICKEL SALTS HAVING AN INITIAL ACIDIC PH INTO A CATALYST PREPARATION ZONE AND THEREAFTER INTRODUCING, WITH MIXING, INTO SAID SOLUTION OF SOLUBLE CALCIUM AND NICKEL SALTS AND AQUEOUS SOLUTION OF AMMONIUM PHOSPHATE AND PRECIPITATING A METAL-PHOSPHATE MATERIAL AT A FINAL PH IN THE RANGE OF 7 TO 9, SAID CALCIUM AND NICKEL BEING CHEMICALLY COMBINED WITH PHOSPHATE RADICALS IN THE RELATIVE PROPORTIONS OF BETWEEN 6 AND 1I ATOMS OF CALCIUM PER ATOM OF NICKEL, AND TREATING THE PRECIPITATED METALPHOSPHATE MATERIAL WITH CHROMIUM OXIDE SO AS TO ADD CHROMIUM XOIDE IN AN MAOUNT LESS THAN THE WEIGHT OF SAID PRECIPITATED METAL-PHOSPHATE MATERIAL.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |