US3114748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of
Assignee: —
•
Filing: —
•
Granted: 1963-12-17
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Expires: 1980-12-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:29
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D201/00; C07D201/02; C07D201/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR PREPARING AN W-LACTAM WHICH COMPRISES REACTING A CYCLOALKANECARBOXYLIC ACID WITH A NITROSYL COMPOUND OF THE (NO)PX TYPE WHERE P REPRESENTS AN INTEGER FROMT HE RANGE OF 1 TO 4 AND WHERE X REPRESENTS AT LEAST ONE ACID RADICAL IN THE PRESENCE OF AN ELECTRONACCEPTING HALOGENIDE SELECTED FROM THE GROUP CONSISTING OF ELECTRON-ACCEPTING METAL HALOGENIDES AND METALLOID HALOGENIDES,THE ALKANE GROUP OF SAID CYCLOAKANECARBOXYLIC ACID HAVING FROM 5 TO 12 CARBON ATOMS.
Claim 2
Dependent Claim
73 words
A PROCESS FOR PREPARING AN W-LACTAM WHICH COMPRISES REACTING A CYCLOALKANECARBOXYLIC ACID WITH A NITROSYL COMPOUND OF THE (NO)PX TYPE WHERE P REPRESENTS AN INTEGER FROMT HE RANGE OF 1 TO 4 AND WHERE X REPRESENTS AT LEAST ONE ACID RADICAL IN THE PRESENCE OF AN ELECTRONACCEPTING HALOGENIDE SELECTED FROM THE GROUP CONSISTING OF ELECTRON-ACCEPTING METAL HALOGENIDES AND METALLOID HALOGENIDES,THE ALKANE GROUP OF SAID CYCLOAKANECARBOXYLIC ACID HAVING FROM 5 TO 12 CARBON ATOMS.
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |