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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
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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 08:08
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

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