US3116346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process
Assignee: Shell USA Inc
•
Filing: 1960-04-29
•
Granted: 1963-12-31
•
Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Ross E Van Dyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:02
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/02; C07C2527/053; C07C2527/054; C07C2531/00; C07C2531/02; C07C2531/06; C07C2531/08; C07C2531/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR ALKYLATING AN ISOPARAFFIN HAVING 4 TO 5 CARBON ATOMS PER MOLECULE WITH AN OLEFIN HAVING FROM 3 TO 5 CARBON ATOMS PER MOLECULE WHICH COMPRISES CONTACTING SAID IOSPARAFFIN AND OLEFIN UNDER ALKYLATION CONDITIONS WITH CONCENTRATED SULFURIC ACID CONTAINING FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT OF A SOLID SULFONATED VINYL ARYL SYNTHETIC CATION EXCHANGE RESIN.
Claim 2
Dependent Claim
59 words
A PROCESS FOR ALKYLATING AN ISOPARAFFIN HAVING 4 TO 5 CARBON ATOMS PER MOLECULE WITH AN OLEFIN HAVING FROM 3 TO 5 CARBON ATOMS PER MOLECULE WHICH COMPRISES CONTACTING SAID IOSPARAFFIN AND OLEFIN UNDER ALKYLATION CONDITIONS WITH CONCENTRATED SULFURIC ACID CONTAINING FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT OF A SOLID SULFONATED VINYL ARYL SYNTHETIC CATION EXCHANGE RESIN.
References Cited (Backward Citations)
US2380234A
Cited
US2434833A
Cited
US2463262A
Cited
US2480240A
Cited
US2834819A
Cited
US2802884A
Cited
US2683695A
Cited
US2855371A
Cited
US3017441A
Cited
US3037052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |