Patent US2921882A successfully refreshed from Google Patents.
US2921882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Germicidal compositions containing aromatic acetylenic diols
Assignee: Airco Inc
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Filing: 1956-08-15
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Granted: 1960-01-19
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Expires: 1976-08-15
Abstract
No abstract record available.
Inventors
- 👤 Morton W Leeds
- 👤 Robert J Tedeschi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:42
CPC Classifications
C; C07; C07C; C07C33/00; C07C33/04; C07C33/042; C07C33/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
A GERMICIDAL COMPOSITION COMPRISING AS THE ESSENTIAL ACTIVE INGREDIENT A MINOR AMOUNT OF 2,5-DI-(PCHLOROPHENYL)-3-HEXYNE-2,5-DIOL AND A MAJOR AMOUNT OF AN INERT CARRIER.
References Cited (Backward Citations)
US2250445A
Cited
US2435524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |