Patent US2976209A successfully refreshed from Google Patents.
US2976209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersant compositions and toxicant concentrates containing the same
Assignee: Witco Corp
•
Filing: 1956-08-27
•
Granted: 1961-03-21
•
Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Paul L Lindner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:16
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A DISPERSANT COMPOSITION, SOLUBLE IN ORGANIC SOLVENT SOLUTIONS OF WATER-INSOLUBLE BIOCIDAL TOXICANTS, COMPRISING (A) A COMPOUND CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |