Patent US2881223A successfully refreshed from Google Patents.
US2881223A
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Bicyclic compounds containing nuclearly substituted halogen
Assignee: Universal Oil Products Co
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Filing: 1954-06-17
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Granted: 1959-04-07
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Expires: 1974-06-17
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:26
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/27; C07C23/30; C07C17/00; C07C17/26; C07C17/30; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/935
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
36 words
AS A NEW COMPOUND, A 1,2,3,4,7,7-HEXAHALOBICYCLO(2.2.1)-2-HEPTENE, SAID COMPOUND BEING THE DIELS-ALDER CONDENSATION PRODUCT OF A HEXAHALOCYCLOPENTADIENE, IN WHICH THE HALOGEN SUBSTITUENTS ARE SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE, WITH AN ALIPHATIC MONO-OLEFININC HYDROCARBON.
Claim 2
Dependent Claim
36 words
AS A NEW COMPOUND, A 1,2,3,4,7,7-HEXAHALOBICYCLO(2.2.1)-2-HEPTENE, SAID COMPOUND BEING THE DIELS-ALDER CONDENSATION PRODUCT OF A HEXAHALOCYCLOPENTADIENE, IN WHICH THE HALOGEN SUBSTITUENTS ARE SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE, WITH AN ALIPHATIC MONO-OLEFININC HYDROCARBON.
Claim 3
Dependent Claim
44 words
AS A NEW COMPOUND, A 1,2,3,4,7,7-HEXAHALOBICYCLO(2.2.1)-2-HEPTENE, SAID COMPOUND BEING THE DIELS-ALDER CONDENSATION PRODUCT OF A HEXAHALOCYCLOPENTADIENE, IN WHICH THE HALOGEN SUBSTITUENTS ARE SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE, WITH AN ALIPHATIC MONO-OLEFINIC HYDROCARBON HAVING LESS THAN SIX CARBON ATOMS PER MOLECULE.
Claim 4
Dependent Claim
44 words
AS A NEW COMPOUND, A 1,2,3,4,7,7-HEXAHALOBICYCLO(2.2.1)-2-HEPTENE, SAID COMPOUND BEING THE DIELS-ALDER CONDENSATION PRODUCT OF A HEXAHALOCYCLOPENTADIENE, IN WHICH THE HALOGEN SUBSTITUENTS ARE SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE, WITH AN ALIPHATIC MONO-OLEFINIC HYDROCARBON HAVING LESS THAN SIX CARBON ATOMS PER MOLECULE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |