Patent US2952678A successfully refreshed from Google Patents.
US2952678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of halogenated phenoxyalkyl substituted amines
Assignee: Rohm and Haas Co
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Filing: 1956-12-24
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Granted: 1960-09-13
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Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Earl W Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:22
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/30; C07D265/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
THE PROCESS FOR PREPARING A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
12 words
THE PROCESS OF CLAIM 4 IN WHICH THE HYDROXYALKYLATED AMINE IS N-HYDROXYETHYLMORPHOLINE.
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |