US2594343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of isoparaffins
Assignee: Universal Oil Products Co
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Filing: 1942-11-20
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Granted: 1952-04-29
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Expires: 1962-11-20
Abstract
No abstract record available.
Inventors
- 👤 Pines Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14; C07C9/16; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN THE ALKYLATION OF AN ISOPARAFFIN WITH AN OLEFINIC FRACTION CONTAINING AN OLEFIN HAVING A TERMINAL DOUBLE BOND, THE METHOD WHICH COMPRISES CATALYTICALLY TREATING SAID FRACTION AT OLEFIN ISOMERIZING CONDITIONS TO CONVERT A SUBSTANTIAL PORTION, AT LEAST, OF SAID OLEFIN INTO AN OLEFIN HAVING A MORE CENTRALLY LOCATED DOUBLE
Claim 2
Dependent Claim
49 words
IN THE ALKYLATION OF AN ISOPARAFFIN WITH AN OLEFINIC FRACTION CONTAINING AN OLEFIN HAVING A TERMINAL DOUBLE BOND, THE METHOD WHICH COMPRISES CATALYTICALLY TREATING SAID FRACTION AT OLEFIN ISOMERIZING CONDITIONS TO CONVERT A SUBSTANTIAL PORTION, AT LEAST, OF SAID OLEFIN INTO AN OLEFIN HAVING A MORE CENTRALLY LOCATED DOUBLE
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |