US3021373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 1-alkenyl, alkenyl ethers
Assignee: Union Carbide Corp
•
Filing: 1956-01-11
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Granted: 1962-02-13
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Expires: 1976-01-11
Abstract
No abstract record available.
Inventors
- 👤 Amelio E Montagna
- 👤 Donald H Hirsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:58
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
THE METHOD OF MAKING A 1-ALKENYL ALKENYL ETHER OF THE FORMULA
Claim 2
Independent Claim
11 words
THE METHOD OF MAKING A 1-ALKENYL ALKENYL ETHER OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |