US3248419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of halogenated esters from halogenated chlorosulfate
Assignee: Pennwalt Corp
•
Filing: 1964-01-03
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Granted: 1966-04-26
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Expires: 1984-01-03
Abstract
No abstract record available.
Inventors
- 👤 Hauptschein Murray
- 👤 Braid Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/62; C07C69/63; C08; C08G; C08G63/00; C08G63/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD FOR PREPARING HALOGENATED ESTERS WHICH COMPRISES REACTING A COMPOUND SELECTED FROM THE CLASS CONSISTING OF PRIMARY AND SECONDARY ALCOHOLS HAVING ONE TO TWO HYDROXYL GROUPS, SAID HYDROXYL GRUPS BEING ATTACHED TO ALIPHATIC CARBON ATOMS FREE FROM UNSATURATION, WITH A HALOGENATED CHLOROSULFATE OF THE FORMULA.
Claim 2
Independent Claim
46 words
A METHOD FOR PREPARING HALOGENATED ESTERS WHICH COMPRISES REACTING A COMPOUND SELECTED FROM THE CLASS CONSISTING OF PRIMARY AND SECONDARY ALCOHOLS HAVING ONE TO TWO HYDROXYL GROUPS, SAID HYDROXYL GRUPS BEING ATTACHED TO ALIPHATIC CARBON ATOMS FREE FROM UNSATURATION, WITH A HALOGENATED CHLOROSULFATE OF 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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |