US2507208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising halogenated cyclo-diene quinone adducts
Assignee: Individual
•
Filing: 1946-02-16
•
Granted: 1950-05-09
•
Expires: 1966-02-16
Abstract
No abstract record available.
Inventors
- 👤 Hyman Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:06
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/687; C07C49/693
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
THE PRODUCT OBTAINED BY CHLORINATING AN ADDUCT RESULTING FROM THE ADDITION OF TWO MOLS OF CYCLOPENTADIENE TO ONE MOL OF BENZOQUINONE DISSOLVED IN CARBON TETRACHLORIDE AT TEMPERATURES BELOW 10*C. UNTIL THE SYSTEM NO LONGER GAINS IN WEIGHT.
Claim 2
Dependent Claim
37 words
THE PRODUCT OBTAINED BY CHLORINATING AN ADDUCT RESULTING FROM THE ADDITION OF TWO MOLS OF CYCLOPENTADIENE TO ONE MOL OF BENZOQUINONE DISSOLVED IN CARBON TETRACHLORIDE AT TEMPERATURES BELOW 10*C. UNTIL THE SYSTEM NO LONGER GAINS IN WEIGHT.
References Cited (Backward Citations)
US1967862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |