US2837579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polychlorinated dicyclopentadiene
Assignee: Hercules Powder Co
•
Filing: 1952-02-19
•
Granted: 1958-06-03
•
Expires: 1972-02-19
Abstract
No abstract record available.
Inventors
- 👤 Buntin George Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:22
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AS A NEW COMPOSITION OF MATTER, THE STABLE INSECTICIDALLY-ACTIVE REACTION PRODUCT RESULTING FROM THE DIRECT CHLORINATION OF DICYCLOPENTADIENE UNTIL ABOUT 4 TO ABOUT 8 CHLORINE ATOMS, CORRESPONDING TO ABOUT 52 TO ABOUT 68% CHLORINE, ARE INTRODUCED THEREIN.
Claim 2
Dependent Claim
37 words
AS A NEW COMPOSITION OF MATTER, THE STABLE INSECTICIDALLY-ACTIVE REACTION PRODUCT RESULTING FROM THE DIRECT CHLORINATION OF DICYCLOPENTADIENE UNTIL ABOUT 4 TO ABOUT 8 CHLORINE ATOMS, CORRESPONDING TO ABOUT 52 TO ABOUT 68% CHLORINE, ARE INTRODUCED THEREIN.
References Cited (Backward Citations)
US2382038A
Cited
US2519190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |