Patent US2559628A successfully refreshed from Google Patents.
US2559628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-containing alcohols and process for preparing the same
Assignee: EIDP Inc
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Filing: 1948-12-13
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Granted: 1951-07-10
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Expires: 1968-12-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert M Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:55
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/44; C10; C10M; C10M105/00; C10M105/50; C10M105/54
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
28 words
THE PROCESS FOR OBTAINING FLUORINE-CONTAINING ALCOHOLS, WHICH COMPRISES HEATING AT A TEMPERATURE WITHIN THE RANGE OF FROM 100* C. TO 250* C. A HALOETHYLENE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
28 words
THE PROCESS FOR OBTAINING FLUORINE-CONTAINING ALCOHOLS, WHICH COMPRISES HEATING AT A TEMPERATURE WITHIN THE RANGE OF FROM 100* C. TO 250* C. A HALOETHYLENE HAVING THE GENERAL FORMULA:
Claim 3
Dependent Claim
87 words
A SATURATED FLUORINE-CONTAINING ALCOHOL MELTING BELOW 300* C. AND HAVING THE FORMULA H(CX2CX2)NROH WHERE N IS A POSITIVE INTEGER FROM 1 TO 12, THE X SUBSTITUENTS ARE HALOGEN ATOMS HAVING AN ATOMIC WEIGHT OF LESS THAN 40 OF WHICH AT LEAST HALF IN EACH CX2CX2 GROUP ARE FLUORINE ATOMS, R IS A DIVALENT HYDROCARBON RADICAL AND ROH IS A MONOVALENT RADICAL OF A NONTERTIARY ALCOHOL WHICH CONTAINS A NON-AROMATIC CARBON ATOM BEARING THE ALCOHOLIC HYDROXYL GROUP AND IN WHICH ALL OF THE NON-AROMATIC CARBON ATOMS ARE SATURATED.
Claim 4
Dependent Claim
87 words
A SATURATED FLUORINE-CONTAINING ALCOHOL MELTING BELOW 300* C. AND HAVING THE FORMULA H(CX2CX2)NROH WHERE N IS A POSITIVE INTEGER FROM 1 TO 12, THE X SUBSTITUENTS ARE HALOGEN ATOMS HAVING AN ATOMIC WEIGHT OF LESS THAN 40 OF WHICH AT LEAST HALF IN EACH CX2CX2 GROUP ARE FLUORINE ATOMS, R IS A DIVALENT HYDROCARBON RADICAL AND ROH IS A MONOVALENT RADICAL OF A NONTERTIARY ALCOHOL WHICH CONTAINS A NON-AROMATIC CARBON ATOM BEARING THE ALCOHOLIC HYDROXYL GROUP AND IN WHICH ALL OF THE NON-AROMATIC CARBON ATOMS ARE SATURATED.
References Cited (Backward Citations)
US2230654A
Cited
US2411159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |