US3230227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diphenyl and hydroxy diphenyl aceto-hydroxamic acid esters of 2-pyrrolidino and piperidino methanols and ethanols
Assignee: Universal Oil Products Co
•
Filing: 1965-01-06
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Granted: 1966-01-18
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Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 Levy Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:17
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/08; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/20; C07D211/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE, ITS ADDITION SALTS WITH NON-TOXIC ACIDS, AND THE LOWER ALKYL QUATERNARY AMMONIUM SALTS THEREOF, SAID FREE BASE HAVING THE FORMULA:
Claim 2
Dependent Claim
30 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE, ITS ADDITION SALTS WITH NON-TOXIC ACIDS, AND THE LOWER ALKYL QUATERNARY AMMONIUM SALTS THEREOF, SAID FREE BASE HAVING 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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |