US2777794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polychlorinated pyrene as a parasiticide
Assignee: Dow Chemical Co
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Filing: 1954-01-13
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Granted: 1957-01-15
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Expires: 1974-01-13
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Kenaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:27
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/35; C07C17/354
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A COMPOSITION COMPRISING AN INERT PARASITICIDE CARRIER IN ADMIXTURE WITH A CHLORINE ADDITION DERIVATIVE OF PYRENE HAVING AN AVERAGE CHLORINE ANALYSIS OF FROM 5.73 TO 6.2 CHLORINE ATOMS PER MOLE AND PREPARED BY MIXING PYRENE WITH AN EXCESS OF LIQUID CHLORINE AT A TEMPERATURE BELOW -20*C. AND UNDER SUFFICIENT PRESSURE TO KEEP THE CHLORINE LIQUIFIED, WHILE EXPOSING THE MIXTURE TO DIFFUSED DAYLIGHT AT AN INTENSITY NOT TO EXCEED 85 FOOT CANDLES.
Claim 2
Dependent Claim
71 words
A COMPOSITION COMPRISING AN INERT PARASITICIDE CARRIER IN ADMIXTURE WITH A CHLORINE ADDITION DERIVATIVE OF PYRENE HAVING AN AVERAGE CHLORINE ANALYSIS OF FROM 5.73 TO 6.2 CHLORINE ATOMS PER MOLE AND PREPARED BY MIXING PYRENE WITH AN EXCESS OF LIQUID CHLORINE AT A TEMPERATURE BELOW -20*C. AND UNDER SUFFICIENT PRESSURE TO KEEP THE CHLORINE LIQUIFIED, WHILE EXPOSING THE MIXTURE TO DIFFUSED DAYLIGHT AT AN INTENSITY NOT TO EXCEED 85 FOOT CANDLES.
References Cited (Backward Citations)
US2474477A
Cited
US2635979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |