US3816286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for insertion of hexafluoropropene at the aliphatic carbon-hydrogen bond of a hydrocarbon or substituted hydrocarbon
Assignee: Arkema Inc
•
Filing: 1973-01-05
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Granted: 1974-06-11
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Expires: 1993-01-05
Abstract
Abstract Process for the addition of hexafluoropropene in the presence of ultra violet light to a hydrocarbon or substituted hydrocarbon compound containing at least one aliphatic carbon-hydrogen bond and which is free of acetylenic and terminal ethylenic unsaturation.
Inventors
- 👤 R Haszeldine
- 👤 R Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:09
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; C07C; C07C17/00; C07C17/26; C07C17/272; C07C17/275; C07C17/278; C07C17/32; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07D309/00; C07D309/02; C07D309/04; C07D319/00; C07D319/10; C07D319/12; C08; C08J; C08J7/00; C08J7/12; C08J7/126; D; D06; D06M; D06M10/00; D06M10/04; D06M10/08; D06M14/00; D06M14/18; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/18; D21H17/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A process according to claim 1 wherein the temperature is in the range of about 30*C to 100*C.
Claim 2
Dependent Claim
24 words
A process according to claim 1 wherein the molar ratio of hexafluoropropene to the hydrocarbon reactant is in the range of 2:1 to 4:1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |