US2553576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organic compounds from methane sulfonic acid
Assignee: Houdry Process Corp
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Filing: 1947-03-26
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Granted: 1951-05-22
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Expires: 1967-03-26
Abstract
No abstract record available.
Inventors
- 👤 Aristid V Grosse
- 👤 John C Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:05
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/09; C07C303/00; C07C303/26; C07C43/00; C07C43/02; C07C43/03; C07C43/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE PROCESS WHICH COMPRISES THERMALLY DECOMPOSING METHANE SULFONIC ACID IN THE FREE STATE AND IN THE PRESENCE OF A SMALL QUANTITY, SUFFICIENT TO CATALYZE THE DECOMPOSITION, OF A METHANE SULFONATE OF A METAL BELOW MAGNESIUM IN THE ELECTROMOTIVE SERIES OF METALS AT A TEMPERATURE OF AT LEAST 225* C. AND BELOW 500* C. IN A DECOMPOSITION ZONE TO FORM DECOMPOSITION PRODUCTS COMPRISING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHANOL, DIMETHYL ETHER AND METHYL METHANE SULFONATE AND REMOVING SAID DECOMPOSITION PRODUCTS FROM THE DECOMPOSITION ZONE.
Claim 2
Dependent Claim
88 words
THE PROCESS WHICH COMPRISES THERMALLY DECOMPOSING METHANE SULFONIC ACID IN THE FREE STATE AND IN THE PRESENCE OF A SMALL QUANTITY, SUFFICIENT TO CATALYZE THE DECOMPOSITION, OF A METHANE SULFONATE OF A METAL BELOW MAGNESIUM IN THE ELECTROMOTIVE SERIES OF METALS AT A TEMPERATURE OF AT LEAST 225* C. AND BELOW 500* C. IN A DECOMPOSITION ZONE TO FORM DECOMPOSITION PRODUCTS COMPRISING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHANOL, DIMETHYL ETHER AND METHYL METHANE SULFONATE AND REMOVING SAID DECOMPOSITION PRODUCTS FROM THE DECOMPOSITION ZONE.
References Cited (Backward Citations)
US2493038A
Cited
US2492983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |