US3406208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyglycol ethers suitable for detergent preparations, and process for preparing the same
Assignee: Henkel AG and Co KGaA
•
Filing: 1966-12-16
•
Granted: 1968-10-15
•
Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Blaser Bruno
- 👤 Rutzen Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:01
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/12; F16T1/14; C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/28; C11D1/66; C11D1/72; C11D1/722; C11D17/00; C11D17/0047; C11D17/0065; C11D17/0073; C11D17/0086; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |