US2926119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium bactericides
Assignee: Rohm and Haas Co
•
Filing: 1958-05-02
•
Granted: 1960-02-23
•
Expires: 1978-05-02
Abstract
No abstract record available.
Inventors
- 👤 Warren D Niederhauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:46
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A METHOD FOR CONTROLLING BACTERIA IN AQUEOUS SYSTEMS COMPRISING ADDING TO AN AQUEOUS SYSTEM A BACTERICIDAL AMOUNT OF THE COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
23 words
A METHOD FOR CONTROLLING BACTERIA IN AQUEOUS SYSTEMS COMPRISING ADDING TO AN AQUEOUS SYSTEM A BACTERICIDAL AMOUNT OF THE COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2569409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |