Patent US3082272A successfully refreshed from Google Patents.
US3082272A
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Process for methylating olefins
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-10-10
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Granted: 1963-03-19
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Expires: 1978-10-10
Abstract
No abstract record available.
Inventors
- 👤 Robert B Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:27
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/862; C07C2/864; C07C2521/00; C07C2521/02; C07C2521/04; C07C2529/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR SYNTHESIZING AN OLEFIN HAVING 4 TO 10 CARBON ATOMS WHICH COMPRISES REACTING A C3-C9 MONOOLEFIN FEED WITH METHANOL AT A TEMPERATURE IN THE RANGE OF 550-900* F. IN CONTACT WITH A SOLID DEHYDRATION CATALYST TO PRODUCE AN OLEFIN PRODUCT HAVING AT LEAST 1 MORE CARBON ATOM THAN SAID OLEFIN FEED AND BEING MORE BRANCHED THAN SAID OLEFIN FEED.
Claim 2
Dependent Claim
61 words
A PROCESS FOR SYNTHESIZING AN OLEFIN HAVING 4 TO 10 CARBON ATOMS WHICH COMPRISES REACTING A C3-C9 MONOOLEFIN FEED WITH METHANOL AT A TEMPERATURE IN THE RANGE OF 550-900* F. IN CONTACT WITH A SOLID DEHYDRATION CATALYST TO PRODUCE AN OLEFIN PRODUCT HAVING AT LEAST 1 MORE CARBON ATOM THAN SAID OLEFIN FEED AND BEING MORE BRANCHED THAN SAID OLEFIN FEED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |