US3203939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated epoxides and method for making same
Assignee: Union Carbide Corp
•
Filing: 1962-02-08
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Granted: 1965-08-31
•
Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel W Tinsley
- 👤 Edward A Rick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:31
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C08; C08F; C08F16/00; C08F16/12; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/14; C08G65/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
VINYL VIC-EPOXYCYCLOALKYL ETHERS OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A HOMOPOLYMER HAVING PENDANT VINYL GROUPS CONTAINING REPEATING UNITS OF THE FORMULA
References Cited (Backward Citations)
US2698308A
Cited
US2760990A
Cited
US2889339A
Cited
US2847478A
Cited
US3014048A
Cited
US3065213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |