US2769745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl benzene compound composition and method for the treatment of soil
Assignee: Dow Chemical Co
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Filing: 1954-01-18
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Granted: 1956-11-06
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Expires: 1974-01-18
Abstract
No abstract record available.
Inventors
- 👤 John L Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:23
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/25; Y; Y10; Y10S; Y10S111/00; Y10S111/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
A CONCENTRATE COMPOSITION COMPRISING AT LEAST 5 PERCENT BY WEIGHT OF AN ACTIVE INGREDIENT IN INTIMATE ASSOCIATION WITH A SURFACE ACTIVE DISPERSING AGENT, THE ACTIVE INGREDIENT BEING AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF DIVINYL BENZENE AND ETHYL VINYL BENZENE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |