Patent US2591493A successfully refreshed from Google Patents.
US2591493A
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Metal molybdite catalyzed dehydration process
Assignee: EIDP Inc
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Filing: 1950-02-09
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Granted: 1952-04-01
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Expires: 1970-02-09
Abstract
No abstract record available.
Inventors
- 👤 Herrick R Arnold
- 👤 James E Carnahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:03
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C2523/00; C07C2523/70; C07C2523/76; C07C2523/84; C07C2523/85; C07C2523/88; C07C2523/883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A PROCESS FOR CATALYTICALLY ABSTRACTING WATER FROM ORGANIC COMPOUNDS CAPABLE OF UNDERGOING DEHYDRATION, THE IMPROVEMENT WHICH COMPRISES CONTACTING AN ORGANIC COMPOUND CAPABLE OF UNDERGOING DEHYDRATION AND SELECTED FROM THE CLASS CONSISTING OF ORGANIC COMPOUNDS CONTAINING AN OXO GROUP, ORGANIC COMPOUNDS CONTAINING AN OXY GROUP AND ORGANIC COMPOUNDS CONTAINING A CARBOXYLIC ACID GROUP, AT A TEMPERATURE OF 50* TO 500* C. WITH A MOLYBDITE OF A METAL WHOSE IONS ARE SOLUBLE IN AQUEOUS AMMONIA IN AMOUNT GREATER THAN THAT STOICHIOMETRICALLY REQUIRED TO PRECIPITATE THE METAL ION, SAID METAL MOLYBDITE BEING A METAL SALT OF AN ACID HAVING ONE OF THE FORMULAS CORRESPONDING TO H2MO02 AND H2MO03.
Claim 2
Dependent Claim
106 words
IN A PROCESS FOR CATALYTICALLY ABSTRACTING WATER FROM ORGANIC COMPOUNDS CAPABLE OF UNDERGOING DEHYDRATION, THE IMPROVEMENT WHICH COMPRISES CONTACTING AN ORGANIC COMPOUND CAPABLE OF UNDERGOING DEHYDRATION AND SELECTED FROM THE CLASS CONSISTING OF ORGANIC COMPOUNDS CONTAINING AN OXO GROUP, ORGANIC COMPOUNDS CONTAINING AN OXY GROUP AND ORGANIC COMPOUNDS CONTAINING A CARBOXYLIC ACID GROUP, AT A TEMPERATURE OF 50* TO 500* C. WITH A MOLYBDITE OF A METAL WHOSE IONS ARE SOLUBLE IN AQUEOUS AMMONIA IN AMOUNT GREATER THAN THAT STOICHIOMETRICALLY REQUIRED TO PRECIPITATE THE METAL ION, SAID METAL MOLYBDITE BEING A METAL SALT OF AN ACID HAVING ONE OF THE FORMULAS CORRESPONDING TO H2MO02 AND H2MO03.
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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |