Patent EP0673164B1 successfully refreshed from Google Patents.
US3282986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-acylated hydroxamic acids and derivatives thereof
Assignee: Merck and Co Inc
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Filing: 1960-10-06
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Granted: 1966-11-01
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Edward A Kaczka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:12
CPC Classifications
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Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A COMPOUND HAVING THE STRUCTURE: (A-OOC-CH(-N(-OH)-CO-H)-CH2-)BENZENE WHEREIN A IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL.
Claim 2
Dependent Claim
18 words
A COMPOUND HAVING THE STRUCTURE: (A-OOC-CH(-N(-OH)-CO-H)-CH2-)BENZENE WHEREIN A IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |