US2561209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenated dicyclopentadiene insecticide
Assignee: Standard Oil Development Co
•
Filing: 1947-12-30
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Granted: 1951-07-17
•
Expires: 1967-12-30
Abstract
No abstract record available.
Inventors
- 👤 Allen R Kittleson
- 👤 Louis A Mikeska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:59
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
AN INSECTICIDAL COMPOSITION COMPRISING A POLYCHLORO TETRAHYDRODICYCLOPENTADIENE CONTAINING FROM 50 TO 75% BY WEIGHT OF CHLORINE, SAID PRODUCT BEING OBTAINED BY COMPLETELY HYDROGENAT ING DICYCLOPENTADIENE IN THE PRESENCE OF A HYDROGENATION CATALYST, FOLLOWED BY CHLORINATING THE HYDROGENATED PRODUCT WITH ELEMENTAL CHLORINE TO SUBSTITUTE CHLORINE ATOMS FOR THE HYDROGEN ATOMS TO THE INDICATED CHLORINE ATOMS FOR HYDROGEN ATOMS OF ULTRA-VIOLET LIGHT AT A TEMPERATURE IN THE RANGE OF 0* TO 100* C., ADMIXED WITH A DISPERSING AGENT WHICH LOWER THE SURFACE TENSION OF WATER AND THEREBY PROMOTES AQUEOUS COLLOIDAL EMULSIONS OF THE POLYCHLORO TETRAHYDRODICYCLOPENTADIENE.
References Cited (Backward Citations)
US2010841A
Cited
US2382038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |