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US2843585A
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3-aralkyl-2-oxazolidones and 3-aralkyl-2-pentoxazolidones and their synthesis
Assignee: STWB Inc
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Filing: 1954-03-15
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Granted: 1958-07-15
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Expires: 1974-03-15
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Surrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:55
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/22; C07D263/24; C07D265/00; C07D265/04; C07D265/06; C07D265/08; C07D265/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
5 words
A 3-(DIHALOBENZYL)-2-PENTOXAZOLIDONE HAVING THE FORMULA
Claim 4
Dependent Claim
5 words
A 3-(DIHALOBENZYL)-2-PENTOXAZOLIDONE HAVING THE FORMULA
References Cited (Backward Citations)
US2617825A
Cited
US2656328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |