US2546997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfluoro carbon compounds
Assignee: Occidental Chemical Corp
•
Filing: 1947-09-05
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Granted: 1951-04-03
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Expires: 1967-09-05
Abstract
No abstract record available.
Inventors
- 👤 Carl I Gochenour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:37
CPC Classifications
C; C07; C07C; C07C21/00; C07C21/22; C07C17/00; C07C17/23
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
THE PROCESS FOR TREATMENT OF PERHALOGENATED ALIPHATIC OLEFINS HAVING TWO ADJACENT CARBON ATOMS LINKED BY A DOUBLE BOND, AND, ATTACHED TO EACH OF SAID ATOMS, A SINGLE HALOGEN ATOM OF THE GROUP CONSISTING OF CHLORINE AND BROMINE, ALL OTHER HALOGEN ATOMS BEING FLUORINE, TO SUBSTITUTE A TRIPLE BOND FOR SAID DOUBLE BOND, WHICH COMPRISES REACTING THE OLEFIN WITH A FINELY DIVIDED METAL OF THE GROUP CONSISTING OF IRON, ALUMINUM, MAGNESIUM AND ZINC, IN A LIQUID MEDIUM INERT WITH RESPECT TO THE REACTION.
Claim 2
Dependent Claim
82 words
THE PROCESS FOR TREATMENT OF PERHALOGENATED ALIPHATIC OLEFINS HAVING TWO ADJACENT CARBON ATOMS LINKED BY A DOUBLE BOND, AND, ATTACHED TO EACH OF SAID ATOMS, A SINGLE HALOGEN ATOM OF THE GROUP CONSISTING OF CHLORINE AND BROMINE, ALL OTHER HALOGEN ATOMS BEING FLUORINE, TO SUBSTITUTE A TRIPLE BOND FOR SAID DOUBLE BOND, WHICH COMPRISES REACTING THE OLEFIN WITH A FINELY DIVIDED METAL OF THE GROUP CONSISTING OF IRON, ALUMINUM, MAGNESIUM AND ZINC, IN A LIQUID MEDIUM INERT WITH RESPECT TO THE REACTION.
Claim 3
Dependent Claim
6 words
ALIPHATIC FLUOROCARBONS HAVING A TRIPLE BOND.
Claim 4
Dependent Claim
6 words
ALIPHATIC FLUOROCARBONS HAVING A TRIPLE BOND.
References Cited (Backward Citations)
US2401897A
Cited
US2344061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |