US2657168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polychloro bicyclo heptanes as insecticides
Assignee: Hercules Powder Co
•
Filing: 1950-10-17
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Granted: 1953-10-27
•
Expires: 1970-10-17
Abstract
No abstract record available.
Inventors
- 👤 Buntin George Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:15
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/27; C07C23/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN INSECTICIDAL COMPOSITION COMPRISING A POLYCHLOROBICYCLO (2.2.1) HEPTANE CONTAINING 5575% BY WEIGHT OF CHEMICALLY COMBINED CHLORINE AND AN INSECTICIDAL ADJUVANT AS A CARRIER THEREFOR, SAID POLYCHLOROBICYCLO(2.2.1)HEPTANE BEING THE PRODUCT OBTAINED BY CHLORINATING 2-METHYLBICYCLO(2.2.1)-5-HEPTENE DISSOLVED IN AN INERT SOLVENT WITH CHLORINE GAS IN THE PRESENCE OF A FREE RADICAL-FORMING CHLORINATION CATALYST AT A TEMPPERATURE IN THE RANGE OF ABOUT 0-150* C.
Claim 2
Dependent Claim
60 words
AN INSECTICIDAL COMPOSITION COMPRISING A POLYCHLOROBICYCLO (2.2.1) HEPTANE CONTAINING 5575% BY WEIGHT OF CHEMICALLY COMBINED CHLORINE AND AN INSECTICIDAL ADJUVANT AS A CARRIER THEREFOR, SAID POLYCHLOROBICYCLO(2.2.1)HEPTANE BEING THE PRODUCT OBTAINED BY CHLORINATING 2-METHYLBICYCLO(2.2.1)-5-HEPTENE DISSOLVED IN AN INERT SOLVENT WITH CHLORINE GAS IN THE PRESENCE OF A FREE RADICAL-FORMING CHLORINATION CATALYST AT A TEMPPERATURE IN THE RANGE OF ABOUT 0-150* C.
References Cited (Backward Citations)
US2351311A
Cited
US2519190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |