US2556888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water reducible 1,1-bis (p-chlorophenyl) 2,2,2 trichloroethane pest control compositions stabilized with methyl cellulose
Assignee: Sherwin Williams Co
•
Filing: 1946-08-26
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Granted: 1951-06-12
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Expires: 1966-08-26
Abstract
No abstract record available.
Inventors
- 👤 Richard G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:39
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A WATER REDUCIBLE INSECTICIDAL CONCENTRATE CONSISTING ESSENTIALLY OF A MICROCRYSTALLINE SUSLPENSION OF AT LEAST 35% BY WEIGHT OF 1,1-BIS(PCHLOROPHENYL)2,2,2 TRICHLOROETHANE STABILIZED IN AN AQUEOUS SOLUTION OF A WATER SOLUBLE METHYL CELLULOSE, THE QUANTITY OF SAID METHYL CELLULOSE BEING AT LEAST ABOUT 0.35% BY WEIGHT AND SUFFICIENT TO WET SAID 1,1-BIS(P-CHLOROPHENYL)2,2,2 TRICHLOROETHANE.
Claim 2
Dependent Claim
51 words
A WATER REDUCIBLE INSECTICIDAL CONCENTRATE CONSISTING ESSENTIALLY OF A MICROCRYSTALLINE SUSLPENSION OF AT LEAST 35% BY WEIGHT OF 1,1-BIS(PCHLOROPHENYL)2,2,2 TRICHLOROETHANE STABILIZED IN AN AQUEOUS SOLUTION OF A WATER SOLUBLE METHYL CELLULOSE, THE QUANTITY OF SAID METHYL CELLULOSE BEING AT LEAST ABOUT 0.35% BY WEIGHT AND SUFFICIENT TO WET SAID 1,1-BIS(P-CHLOROPHENYL)2,2,2 TRICHLOROETHANE.
References Cited (Backward Citations)
USRE22700E
Cited
US2416460A
Cited
DE508520C
Cited
US2216045A
Cited
US2369992A
Cited
GB547871A
Cited
US2420295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |