US2862007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triply unsaturated 1,3-dioxolanes and process for their preparation
Assignee: Union Carbide Corp
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Filing: 1957-09-27
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Granted: 1958-11-25
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Expires: 1977-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Stansbury
- 👤 Howard R Guest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:37
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
A TRIPLY UNSATURATED 1.3-DIOXOLANE HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
8 words
A TRIPLY UNSATURATED 1.3-DIOXOLANE HAVING THE STRUCTURAL FORMULA:
Claim 3
Dependent Claim
11 words
THE PROCESS WHICH COMPRISES REACTING AN UNSATURATED ALDEHYDE HAVING THE FORMULA:
Claim 4
Dependent Claim
11 words
THE PROCESS WHICH COMPRISES REACTING AN UNSATURATED ALDEHYDE HAVING THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |