US3048636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of olefins by thallium (iii)
Assignee: Dow Chemical Co
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Filing: 1959-05-20
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Granted: 1962-08-07
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Robert R Grinstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:35
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/14; C07C; C07C45/00; C07C45/27; C07C45/28; C07C45/30; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR OXIDIZING AN OLEFINIC HYDROCARBON TO PRODUCE AT LEAST ONE PRODUCT OF THE CLASS CONSISTING OF GLYCOLS, ADLEHYDES AND KETONES, SAID PROCESS COMPRISING CONTACTING THE OLEFIN WITH AT LEAST ABOUT AN EQUIMOLECULAR AMOUNT OF AN ACIDIC SOLUTION OF A THALLIC SALT ON A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER, ACETIC ACID, PROPIONIC ACID, TETRAHYDROFURAN, METHANOL AND ETHANOL.
Claim 2
Dependent Claim
61 words
A PROCESS FOR OXIDIZING AN OLEFINIC HYDROCARBON TO PRODUCE AT LEAST ONE PRODUCT OF THE CLASS CONSISTING OF GLYCOLS, ADLEHYDES AND KETONES, SAID PROCESS COMPRISING CONTACTING THE OLEFIN WITH AT LEAST ABOUT AN EQUIMOLECULAR AMOUNT OF AN ACIDIC SOLUTION OF A THALLIC SALT ON A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER, ACETIC ACID, PROPIONIC ACID, TETRAHYDROFURAN, METHANOL AND ETHANOL.
References Cited (Backward Citations)
US1974727A
Cited
US2773909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |