US3770701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heteric nonionic surfactants having enhanced detergency
Assignee: BASF Corp
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Filing: 1965-07-08
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Granted: 1973-11-06
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Expires: 1985-07-08
Abstract
Abstract THIS INVENTION RELATES TO LIQUID, BIODEGRADABLE, WATERMISCIBLE, NONIONIC SURFACTANTS. MORE PARTICULARLY, THIS INVENTION RELATES TO LIQUID, BIDEGRADABLE, WATER-MISCIBLE, NONIONIC SURFACTANTS HAVING UNEXPECTEDLY HIGH DETERGENCY PREPARED FROM STRAIGHT CHAIN ALIPHATIC ALCOHOLS HAVING FROM 8 TO 22 CARBON ATOMS IN THE ALIPHATIC CHAIN AND
Inventors
- 👤 M Cenker
- 👤 E Weipert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:50
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/722; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/905; Y10S516/917; Y10S516/92
Claims Analysis
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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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |