US3079414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing heterocyclic compounds containing metals or metalloids
Assignee: Individual
•
Filing: 1959-09-18
•
Granted: 1963-02-26
•
Expires: 1979-09-18
Abstract
No abstract record available.
Inventors
- 👤 Tamborski Christ
- 👤 Gilman Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:25
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/30; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0812; C07F7/0816; C07F7/22; C07F7/2208; C07F7/24; C08; C08K; C08K5/00; C08K5/56; C10; C10M; C10M5/00; C10M2227/00; C10M2227/02; C10M2227/08; C10M2227/081; C10M2227/082; C10M2227/083; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A METHOD OF PREPARING A HETEROCYCLIC COMPOUND COMPRISNG THE STEPS OF MIXING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF 2,2''-DIBROMODIPHENYLAMINE, NMETHYL - 2,2'' - DIBROMODIPHENYLAMINE, N - ETHYL - 2,2''DIBROMODIPHENYLAMINE, AND N-METHYL-2,2''-DIBROMO-DI-PTOLYLAMINE WITH A SOLUTION OF BUTUL LITHIUM TO YIELD AN INTERMEDIATE REACTION PRODUT AND MIXING SAID INTERMEDIATE REACTION PRODUCT WITH A COMPOUND HAVING THE FOLLOWIG STRUCTURAL FORMULA:
Claim 2
Independent Claim
59 words
A METHOD OF PREPARING A HETEROCYCLIC COMPOUND COMPRISNG THE STEPS OF MIXING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF 2,2''-DIBROMODIPHENYLAMINE, NMETHYL - 2,2'' - DIBROMODIPHENYLAMINE, N - ETHYL - 2,2''DIBROMODIPHENYLAMINE, AND N-METHYL-2,2''-DIBROMO-DI-PTOLYLAMINE WITH A SOLUTION OF BUTUL LITHIUM TO YIELD AN INTERMEDIATE REACTION PRODUT AND MIXING SAID INTERMEDIATE REACTION PRODUCT WITH A COMPOUND HAVING THE FOLLOWIG STRUCTURAL FORMULA:
Claim 3
Dependent Claim
4 words
AS A COMPOUND, 5-ETHYL-10,10-DIPHENYLPHENAZAGERMINE.
Claim 4
Dependent Claim
4 words
AS A COMPOUND, 5-ETHYL-10,10-DIPHENYLPHENAZAGERMINE.
References Cited (Backward Citations)
US2160915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |