← Back to Patent Explorer
US3133904A Expired / Lapsed US ⏱️ 0.0 years remaining

Molecular complexes of halogen and cyclic carbamate

Assignee: Dow Chemical Co
•
Filing: 1959-05-22
•
Granted: 1964-05-19
•
Expires: 1979-05-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William F Tousignant
  • 👤 Wilhelm E Walles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:08
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/22; C08; C08F; C08F8/00; C08F8/18; C08F8/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 138 words
A COMPLEX OF HALOGEN HAVING AN ATOMIC WEIGHT OF FROM 79 TO 130, INCLUSIVE, AND A MEMBER OF THE GROUP CONSISTING OF THE N-ALKYL CYCLIC CARBAMATES, N-HALOALKYL CYCLIC CARBAMATES, N-DIHALOALKYL CYCLIC CARBAMES AND POLYMERS OF N-ALKENYL CYCLIC CARBAMES, WHEREIN THE NALKENYL RADICAL CONTAINS FROM 2 TO 4 CARBON ATOMS INCLUSIVE, THE N-ALKYL RADICAL CONTAINS FROM 2 TO 4 CARBON ATOMS, INCLUSIVE, THE N-HALOALKYL RADICAL CONTAINS FROM 2 TO 4 CARBON ATOMS, INCLUSIVE, AND NOT MORE THAN 2 HALOGEN ATOMS, AND WHEREIN THE OXYGEN AND NITROGEN ATOMS ARE CONNECTED THROUGH A DIVALENT BRIDGING RADICAL WHICH IS FROM 2 TO 4 CARBON ATOMS IN LENGTH AND WHICH IS AT LEAST A COMPONENT OF A RADICAL SELECTED FROM THE GROUP CONSISTING OF ORTHOPHENYLENE AND SUBSTITUTED ORTHOPHENYLENE, ALKYLENE, CYCLOALKYLALKYLENE, PHENYLALKYLENE AND NAPHTHYLALKYLENE, EACH SAID ALKYLENE CONTAINING FROM 3 TO 18 ATOMS, INCLUSIVE.
Claim 2
Dependent Claim 138 words
A COMPLEX OF HALOGEN HAVING AN ATOMIC WEIGHT OF FROM 79 TO 130, INCLUSIVE, AND A MEMBER OF THE GROUP CONSISTING OF THE N-ALKYL CYCLIC CARBAMATES, N-HALOALKYL CYCLIC CARBAMATES, N-DIHALOALKYL CYCLIC CARBAMES AND POLYMERS OF N-ALKENYL CYCLIC CARBAMES, WHEREIN THE NALKENYL RADICAL CONTAINS FROM 2 TO 4 CARBON ATOMS INCLUSIVE, THE N-ALKYL RADICAL CONTAINS FROM 2 TO 4 CARBON ATOMS, INCLUSIVE, THE N-HALOALKYL RADICAL CONTAINS FROM 2 TO 4 CARBON ATOMS, INCLUSIVE, AND NOT MORE THAN 2 HALOGEN ATOMS, AND WHEREIN THE OXYGEN AND NITROGEN ATOMS ARE CONNECTED THROUGH A DIVALENT BRIDGING RADICAL WHICH IS FROM 2 TO 4 CARBON ATOMS IN LENGTH AND WHICH IS AT LEAST A COMPONENT OF A RADICAL SELECTED FROM THE GROUP CONSISTING OF ORTHOPHENYLENE AND SUBSTITUTED ORTHOPHENYLENE, ALKYLENE, CYCLOALKYLALKYLENE, PHENYLALKYLENE AND NAPHTHYLALKYLENE, EACH SAID ALKYLENE CONTAINING FROM 3 TO 18 ATOMS, INCLUSIVE.

References Cited (Backward Citations)

US2905690A Cited
US2665271A Cited
US2739922A Cited
US2706701A Cited
US2900305A Cited
US2853416A Cited
US2853417A Cited
US2786043A Cited
US2847407A Cited
US2844590A Cited
US2948656A Cited
US2987505A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-19 1967-11-18 1968-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-19 1971-11-18 1972-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-19 1975-11-18 1976-05-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag