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Patent US2590433A successfully refreshed from Google Patents.
US2590433A
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Dechlorination of a halocarbon containing chlorine
Assignee: MW Kellogg Co
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Filing: 1949-05-13
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Granted: 1952-03-25
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Expires: 1969-05-13
Abstract
No abstract record available.
Inventors
- 👤 Oscar A Blum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:18
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE IMPROVED PROCESS FOR THE DECHLORINATION OF A ERHALOCARBON CONTAINING CHLORINE WHICHCH COMPRISES REACTING A METAL WITH A PERHALOCARBON CONTAINING CHLORINE AT A TEMPERATURE LOWER THAN ABOUT 75* C. AND A CORRESPONDING PRESSURE SUFFICIENT TO MAINTAIN SAID PERHALOCARBON IN THE LIQUID PHASE IN THE PRESENCE OF AN ACIDIFIED SOLVENT CONTAINING BETWEEN ABOUT 0.01 AND ABOUT 5 MOL PER CENT OF AN ACID TO PRODUCE A MORE UNSATURATED PERHALOCARBON AS THE PRODUCT OF THE PROCESS.
Claim 2
Dependent Claim
74 words
THE IMPROVED PROCESS FOR THE DECHLORINATION OF A ERHALOCARBON CONTAINING CHLORINE WHICHCH COMPRISES REACTING A METAL WITH A PERHALOCARBON CONTAINING CHLORINE AT A TEMPERATURE LOWER THAN ABOUT 75* C. AND A CORRESPONDING PRESSURE SUFFICIENT TO MAINTAIN SAID PERHALOCARBON IN THE LIQUID PHASE IN THE PRESENCE OF AN ACIDIFIED SOLVENT CONTAINING BETWEEN ABOUT 0.01 AND ABOUT 5 MOL PER CENT OF AN ACID TO PRODUCE A MORE UNSATURATED PERHALOCARBON AS THE PRODUCT OF THE PROCESS.
References Cited (Backward Citations)
US2401897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |