US3728408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of polar compounds using highly siliceous zeolite-type catalysts
Assignee: Mobil Oil AS
•
Filing: 1969-05-05
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Granted: 1973-04-17
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Expires: 1989-05-05
Abstract
Abstract A method of converting an organic polar compound comprising contacting the same in a conversion zone under conversion conditions with a crystalline aluminosilicate catalyst the silica/alumina ratio of which is more than 10/1.
Inventors
- 👤 M Tobias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:25
CPC Classifications
C; C07; C07C; C07C323/00; C07C2/00; C07C2/86; C07C2/862; C07C2/864; C07C29/00; C07C29/09; C07C29/10; C07C29/103; C07C29/106; C07C29/36; C07C29/38; C07C29/44; C07C37/00; C07C37/01; C07C37/055; C07C37/11; C07C37/115; C07C37/14; C07C41/00; C07C41/01; C07C41/05; C07C41/06; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/74; C07C67/00; C07C67/04; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/18; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
10 words
The process of claim 1 wherein the alcohol is methanol.
Claim 2
Dependent Claim
10 words
The process of claim 1 wherein the alcohol is isopropanol.
Claim 3
Dependent Claim
11 words
The process of claim 1 wherein the alcohol is tolyl carbinol.
References Cited (Backward Citations)
US3442795A
Cited
US3308069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |