US2571208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of 1,2-epoxycyclooctane
Assignee: GAF Chemicals Corp
•
Filing: 1949-12-17
•
Granted: 1951-10-16
•
Expires: 1969-12-17
Abstract
No abstract record available.
Inventors
- 👤 Craig Louis Elwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:04
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS FOR THE PRODUCTION OF 1,2-EPOXYCYCLOOCTANE WHICH COMPRISES REACTING CYCLOOCTENE AT A TEMPERATURE NOT SUBSTANTIALLY HIGHER THAN 20* C. WITH A SOLUTION OF PERACETIC ACID IN AQUEOUS ACETIC ACID, SAID SOLUTION CONTAINING UP TO 20% WATER.
Claim 2
Dependent Claim
37 words
A PROCESS FOR THE PRODUCTION OF 1,2-EPOXYCYCLOOCTANE WHICH COMPRISES REACTING CYCLOOCTENE AT A TEMPERATURE NOT SUBSTANTIALLY HIGHER THAN 20* C. WITH A SOLUTION OF PERACETIC ACID IN AQUEOUS ACETIC ACID, SAID SOLUTION CONTAINING UP TO 20% WATER.
References Cited (Backward Citations)
US2458484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |