US2578724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jpeeparation of
Assignee: —
•
Filing: —
•
Granted: 1951-12-18
•
Expires: 1968-12-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:52
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/15; C07C41/00; C07C41/01; C07C41/05; C07C41/06; C07C41/34; C07C41/40; C07C41/42; C07C67/00; C07C67/30; C07C67/333; C07C67/343
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR THE PREPARATION OF AN ALPHA UNSATURATED ALIPHTIC ETHER OF RELATIVELY BRANCHED CHAIN CARBON STRUCTURE, WHICH COMPRISES HEATING TOGETHER A MIXTURE CONSISTING ESSENTIALLY OF ALKYL C8 ALDEHYDES AND ALIPHATIC ALCOHOLS, VOLATIZING THE BY-PRODUCT WATER AS FORMED, VOLATIZING UNCOVERTED REACTANTS AND THEREAFTER ISOLATING THE ALPHA UNSATURATED ETHER, A MAJOR PORTION OF SAID UNSATURATED ETHER BEING OF THE C16 SERIES.
Claim 2
Dependent Claim
60 words
A PROCESS FOR THE PREPARATION OF AN ALPHA UNSATURATED ALIPHTIC ETHER OF RELATIVELY BRANCHED CHAIN CARBON STRUCTURE, WHICH COMPRISES HEATING TOGETHER A MIXTURE CONSISTING ESSENTIALLY OF ALKYL C8 ALDEHYDES AND ALIPHATIC ALCOHOLS, VOLATIZING THE BY-PRODUCT WATER AS FORMED, VOLATIZING UNCOVERTED REACTANTS AND THEREAFTER ISOLATING THE ALPHA UNSATURATED ETHER, A MAJOR PORTION OF SAID UNSATURATED ETHER BEING OF THE C16 SERIES.
References Cited (Backward Citations)
US1902169A
Cited
US2388409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |