§
Luxuse
Patent Intelligence
Sign In
Patent US1739909A successfully refreshed from Google Patents.
Patent US3143566A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3143566A Expired / Lapsed US ⏱️ 0.0 years remaining

Nu, nu'-di-[halogenated-(lower-alkanoyl)]-diamine compositions and their preparation

Assignee: STWB Inc
•
Filing: 1959-10-08
•
Granted: 1964-08-04
•
Expires: 1979-10-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Alexander R Surrey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:36
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/40; C07C; C07C215/00; C07C215/02; C07C215/04; C07C215/06; C07C215/14; C07C233/00; C07D213/38

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 2
Dependent Claim 5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 3
Dependent Claim 11 words
AN N,N,N'',N'' - TETRASUBSTITUTED - 1,4 - BIS(AMINOMETHYL)BENZENE HAVING THE FORMULA
Claim 4
Dependent Claim 11 words
AN N,N,N'',N'' - TETRASUBSTITUTED - 1,4 - BIS(AMINOMETHYL)BENZENE HAVING THE FORMULA
Claim 5
Dependent Claim 5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 6
Dependent Claim 5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 7
Dependent Claim 5 words
AN N,N''-BIS(DICHLOROACETYL)ALKANEDIAMINE HAVING THE FORMULA
Claim 8
Dependent Claim 5 words
AN N,N''-BIS(DICHLOROACETYL)ALKANEDIAMINE HAVING THE FORMULA
Claim 9
Dependent Claim 11 words
AN N,N'' - BIS(POLYBROMINATED - (LOWER - ALKANOYL))-ALKYLENEDIAMINE HAVING THE FORMULA
Claim 10
Dependent Claim 11 words
AN N,N'' - BIS(POLYBROMINATED - (LOWER - ALKANOYL))-ALKYLENEDIAMINE HAVING THE FORMULA
Claim 11
Dependent Claim 9 words
AN N,N,N'',N'' - TETRASUBSTITUTED - BIS(AMINOMETHYL)-CYCLOALKANE HAVING THE FORMULA
Claim 12
Dependent Claim 9 words
AN N,N,N'',N'' - TETRASUBSTITUTED - BIS(AMINOMETHYL)-CYCLOALKANE HAVING THE FORMULA
Claim 13
Dependent Claim 5 words
A PHENYLENEDIAMINE HAVING THE FORMULA
Claim 14
Dependent Claim 5 words
A PHENYLENEDIAMINE HAVING THE FORMULA

References Cited (Backward Citations)

US2758135A Cited
US2862966A Cited
US2732402A Cited
US2267685A Cited
US2309150A Cited
US2464692A Cited
GB639853A Cited
GB712745A Cited
US2739170A Cited
US2742501A Cited
GB747592A Cited
US2705244A Cited
US2760971A Cited
US2765337A Cited
US2922743A Cited
US2759941A Cited
US2904590A Cited
US2890984A Cited
US2862967A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-08-04 1968-02-03 1968-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-08-04 1972-02-03 1972-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-08-04 1976-02-03 1976-08-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag