US2500197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process and catalyst therefor
Assignee: Individual
•
Filing: 1940-07-13
•
Granted: 1950-03-14
•
Expires: 1960-07-13
Abstract
No abstract record available.
Inventors
- 👤 Michael Wilhelm
- 👤 Goehre Otto
- 👤 Free Gerhard
- 👤 Wilhelm V Fuener
- 👤 Schneider Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:19
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/095; B; B01; B01J; B01J21/00; B01J21/12; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/16; C10G11/00; C10G11/02; C10G11/04; C10G29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE PROCESS OF MAKING AN ACTIVE CATALYST WHICH CONSISTS IN PRECIPITATING 1 PART OF SODIUM SILICATE CONTAINING ABOUT 0.28 PART OF SILICIC ACID DILUTED WITH ABOUT 9 PARTS OF WATER WITH A SOLUTION OF ABOUT 0.23 PART OF AMMONIUM CHLORIDE IN ABOUT 1.5 PARTS OF WATER, ADDING THERETO WHILE STIRRING A SOLUTION OF ABOUT 0.23 PART OF ALUMINUM NITRATE (9H2O) AND ABOUT 1.5 PARTS OF WATER AND CONCENTRATED AMMONIA WATER UNTIL THE REACTION IS ALKALINE, THEN BOILING, FILTERING THE PRECIPITATE, WASHING AND DRYING AT ABOUT 200*C., THEREBY PRODUCING AN ACTIVE CATALYST.
Claim 2
Dependent Claim
91 words
THE PROCESS OF MAKING AN ACTIVE CATALYST WHICH CONSISTS IN PRECIPITATING 1 PART OF SODIUM SILICATE CONTAINING ABOUT 0.28 PART OF SILICIC ACID DILUTED WITH ABOUT 9 PARTS OF WATER WITH A SOLUTION OF ABOUT 0.23 PART OF AMMONIUM CHLORIDE IN ABOUT 1.5 PARTS OF WATER, ADDING THERETO WHILE STIRRING A SOLUTION OF ABOUT 0.23 PART OF ALUMINUM NITRATE (9H2O) AND ABOUT 1.5 PARTS OF WATER AND CONCENTRATED AMMONIA WATER UNTIL THE REACTION IS ALKALINE, THEN BOILING, FILTERING THE PRECIPITATE, WASHING AND DRYING AT ABOUT 200*C., THEREBY PRODUCING AN ACTIVE CATALYST.
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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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |