US3079448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylating catalysts and alkylation process based thereon
Assignee: IFP Energies nouvelles
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Filing: 1959-05-01
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Granted: 1963-02-26
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Expires: 1979-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jenny Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:14
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/862; C07C2/864; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2/64; C07C2/66; C07C2/70; C07C2/861; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/11; C07C2527/128; C07C2527/133; C07C2527/135; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS FOR ALKYLATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBONS AND ALIPHATIC HYDROCARBONS HAVING AT LEAST ONE TERTIARY CARBON ATOM LINKED TO ONE HYDROGEN ATOM, COMPRISING THE STEPS OF
Claim 2
Dependent Claim
33 words
A PROCESS FOR ALKYLATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBONS AND ALIPHATIC HYDROCARBONS HAVING AT LEAST ONE TERTIARY CARBON ATOM LINKED TO ONE HYDROGEN ATOM, COMPRISING THE STEPS OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |