US3346645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making halogenated cyclic enols and salts thereof
Assignee: Hooker Chemical Corp
•
Filing: 1965-09-07
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Granted: 1967-10-10
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Edward D Weil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/703; C07C49/707; C07C45/00; C07C45/61; C07C45/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS FOR PREPARING A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
9 words
A PROCESS FOR PREPARING A COMPOUND 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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |