US2947761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxtoation of aldehydes
Assignee: —
•
Filing: —
•
Granted: 1960-08-02
•
Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:58
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/56; C07C45/57; C07C45/58; C07C45/27; C07C45/29; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A PROCESS WHICH COMPRISES REACTION AN ALPHA-METHYLIDENE ALKAAL OF 3 TO 9 CARBON ATOMS PER MOLECULE OF THE FORMULA
Claim 2
Dependent Claim
19 words
A PROCESS WHICH COMPRISES REACTION AN ALPHA-METHYLIDENE ALKAAL OF 3 TO 9 CARBON ATOMS PER MOLECULE OF THE FORMULA
References Cited (Backward Citations)
US2833787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |