US3248380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of oxidizing alcohols
Assignee: Roche Palo Alto LLC
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Filing: 1963-10-07
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Granted: 1966-04-26
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 John G Moffatt
- 👤 Klaus E Pfitzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:25
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/04; B01J31/0234; B01J31/0235; B01J31/0239; B01J31/0241; C; C07; C07C; C07C201/00; C07C201/06; C07C201/12; C07C205/00; C07C205/44; C07C45/00; C07C45/27; C07C45/29; C07D; C07D471/00; C07D471/12; C07D471/20; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/06; C07H19/16; B01J2231/00; B01J2231/70
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
55 words
A METHOD OF OXIDIZING PRIMARY AND SECONDARY ALCOHOLS TO THE CORRESPONDING ALDEHYDES AND KETONES WHICH COMPRISES REACTING, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS IN A SOLVENT COMPRISING A LIQUID HYDROCARBON SULFOXIDE AND IN THE PRESENCE OF AN ACID CATALST: (1) AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY ALCOHOLS, WITH (2) AN N,N''-DI(HYDROCARBON SUBSTITUTED)-CARBODIIMIDE.
Claim 2
Independent Claim
55 words
A METHOD OF OXIDIZING PRIMARY AND SECONDARY ALCOHOLS TO THE CORRESPONDING ALDEHYDES AND KETONES WHICH COMPRISES REACTING, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS IN A SOLVENT COMPRISING A LIQUID HYDROCARBON SULFOXIDE AND IN THE PRESENCE OF AN ACID CATALST: (1) AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY ALCOHOLS, WITH (2) AN N,N''-DI(HYDROCARBON SUBSTITUTED)-CARBODIIMIDE.
Claim 3
Dependent Claim
14 words
A METHOD ACCORDING TO CLAIM 1 WHEREIN SAID ALCOHOL IS A NUCLEOSIDE PRIMARY ALCOHOL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |