US3364280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process with acid catalyst and sulfonium or phosphonium salt promoter
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1966-01-03
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Granted: 1968-01-16
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 George M Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:06
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/70; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/02; C07C2527/03; C07C2527/053; C07C2527/054; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/11; C07C2531/00; C07C2531/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ALKYLATION PROCESS WHICH COMPRISES CONTACTING AN ALKYLATION PARAFFINIC HYDROGENATION ANC AN OLEFINIC ALKYLATING AGENT AT ALKYLATION CONDITIONS WITH A CATALYST COMPOSITION COMPRISING A STRONG ACID SELECTED FROM THE THE GROUP CONSISTING OF SULFURIC ACID, HYDROFLUORIC ACID AND FLUOROSULFONIC ACID AND 0.0005 TO 0.2 WT. PERCENT, BASED ON THE WEIGHT OF SAID CATALYST, OF A PROMOTER SELECTED FROM THE GROUP CONSISTING OF SULFONIUM SALTS HAVING AT LEAST ONE ALIPHATIC GROUP OF C8-C20 AND PHOSPHONIUM SALTS HAVING AT LEAST ONE ALIPHATIC GROUP OF C8-C20.
Claim 2
Dependent Claim
83 words
AN ALKYLATION PROCESS WHICH COMPRISES CONTACTING AN ALKYLATION PARAFFINIC HYDROGENATION ANC AN OLEFINIC ALKYLATING AGENT AT ALKYLATION CONDITIONS WITH A CATALYST COMPOSITION COMPRISING A STRONG ACID SELECTED FROM THE THE GROUP CONSISTING OF SULFURIC ACID, HYDROFLUORIC ACID AND FLUOROSULFONIC ACID AND 0.0005 TO 0.2 WT. PERCENT, BASED ON THE WEIGHT OF SAID CATALYST, OF A PROMOTER SELECTED FROM THE GROUP CONSISTING OF SULFONIUM SALTS HAVING AT LEAST ONE ALIPHATIC GROUP OF C8-C20 AND PHOSPHONIUM SALTS HAVING AT LEAST ONE ALIPHATIC GROUP OF C8-C20.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |