US3314952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making tertiary amines
Assignee: Abbott Laboratories
•
Filing: 1964-09-01
•
Granted: 1967-04-18
•
Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:16
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/023; C07D295/027; C07D295/033
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
A PROCESS OF PREPARING TERTIARY AMINES OF THE FORMULA
Claim 2
Dependent Claim
9 words
A PROCESS OF PREPARING TERTIARY AMINES OF THE FORMULA
Claim 3
Dependent Claim
19 words
THE PROCESS OF CLAIM 1 WHEREIN EQUIMOLAR AMOUNTS OF SAID PHENOL AND SAID HETEROCYCLIC REACTNT ARE SUBJECTED TO HYDROGENATION.
Claim 4
Dependent Claim
11 words
THE PROCESS OF CLAIM 3 WHEREIN SAID HETEROCYLCLIC REACTANT IS MORPHOLINE.
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |