US2965652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing glycidyl ethers
Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-05-13
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Granted: 1960-12-20
•
Expires: 1978-05-13
Abstract
No abstract record available.
Inventors
- 👤 Van R Gaertner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:27
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/34; C07D303/12; C07D303/18; C07D303/20; C07D303/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
THE PROCESS WHICH COMPRISES CONTACTING, IN THE PRESENCE OF WATER, A CHLOROHYDRIN OF THE FORMULA
Claim 2
Dependent Claim
15 words
THE PROCESS WHICH COMPRISES CONTACTING, IN THE PRESENCE OF WATER, A CHLOROHYDRIN 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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |