US3133904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecular complexes of halogen and cyclic carbamate
Assignee: Dow Chemical Co
•
Filing: 1959-05-22
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Granted: 1964-05-19
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Expires: 1979-05-22
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.
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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 |