US2733248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhalo epoxy methane naphthalene
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:16
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/12; C07D493/18; C10; C10M; C10M1/00; C10M1/08; C10M2211/00; C10M2211/04; C10M2211/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYHALO-1,4-EPOXY-5,8-METHANOOCTAHYDRONAPHTHALENE DICARBOXYLIC ACID AND POLYHALO1,4-EPOXY-5,8-METHANOHEXAHDRONAPHTHALENE DICARBOXYLIC ACID CONTAINING FROM 2 TO 6 MIDDLE HALOGEN ATOMS ON CARBON ATOMS OF THE 5,6,7,8,9CARBON ATOMS RING AND THE ACID ANHYDRIDE AND LOWER ALKYL ESTER DERIVATIVES THEREOF.
Claim 2
Dependent Claim
41 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYHALO-1,4-EPOXY-5,8-METHANOOCTAHYDRONAPHTHALENE DICARBOXYLIC ACID AND POLYHALO1,4-EPOXY-5,8-METHANOHEXAHDRONAPHTHALENE DICARBOXYLIC ACID CONTAINING FROM 2 TO 6 MIDDLE HALOGEN ATOMS ON CARBON ATOMS OF THE 5,6,7,8,9CARBON ATOMS RING AND THE ACID ANHYDRIDE AND LOWER ALKYL ESTER DERIVATIVES THEREOF.
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) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |