Patent EP0290934A2 successfully refreshed from Google Patents.
US3226446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxybenzyloxy-amine derivatives
Assignee: TJ Smith and Nephew Ltd
•
Filing: 1961-10-31
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Granted: 1965-12-28
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Drain David John
- 👤 Williams Haydn Windsor Richard
- 👤 Howes John Gordon Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:12
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; G; G06; G06C; G06C15/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
7 words
A HYDROXYLAMINE DERIVATIVE OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
7 words
A HYDROXYLAMINE DERIVATIVE OF THE GENERAL FORMULA:
Claim 3
Dependent Claim
12 words
AN ACID-ADDITION SALT OF A HYDROXYLAMINE DERIVATIVE AS CLAIMED IN CLAIM 1.
Claim 4
Dependent Claim
13 words
THE PROCESS FOR THE PREPARATION OF A HYDROXYLAMINE DERIVATIVE OF THE GENERAL FORMULA:
Claim 5
Dependent Claim
13 words
THE PROCESS FOR THE PREPARATION OF A HYDROXYLAMINE DERIVATIVE OF THE GENERAL 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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |