Patent US2683715A successfully refreshed from Google Patents.
US2683715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
I-tertiary amino-i-alkyl-piperidines
Assignee: —
•
Filing: —
•
Granted: 1954-07-13
•
Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:54
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/56; C07D211/58
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
AS NEW PRODUCTS, THE COMPOUNDS CORRESPONDING WITH THE GENERAL FORMULA:
Claim 2
Dependent Claim
10 words
AS NEW PRODUCTS, THE COMPOUNDS CORRESPONDING WITH THE GENERAL FORMULA:
Claim 3
Dependent Claim
56 words
THE PROCESS WHICH COMPRISES THE STEPS OF CONDENSING 1-METHYLPIPERIDONE-4, WITH ANILINE, REDUCING THE THUS OBTAINED SCHIFF''S BASE TO FORM THE CORRESPONDING SECONDARY AMINE, AND REACTING SAID SECONDARY AMINE WITH A DERIVATIVE OF BENZYLCHLORIDE IN WHICH THE HYDROGEN ATOM OF THE PARAPOSITION IS SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF CL, BR, CH3, AND OCH3.
Claim 4
Dependent Claim
56 words
THE PROCESS WHICH COMPRISES THE STEPS OF CONDENSING 1-METHYLPIPERIDONE-4, WITH ANILINE, REDUCING THE THUS OBTAINED SCHIFF''S BASE TO FORM THE CORRESPONDING SECONDARY AMINE, AND REACTING SAID SECONDARY AMINE WITH A DERIVATIVE OF BENZYLCHLORIDE IN WHICH THE HYDROGEN ATOM OF THE PARAPOSITION IS SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF CL, BR, CH3, AND OCH3.
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) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |