Patent US3692552A successfully refreshed from Google Patents.
US3692552A
Expired / Lapsed
US
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Liquid laundry starch
Assignee: Henkel AG and Co KGaA
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Filing: 1970-07-15
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Granted: 1972-09-19
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Expires: 1990-07-15
Abstract
Abstract A LIQUID LAUNDRY STARCH COMPRISING AN AQUEOUS SUSPENSION OF STARCH OR STARCH DERIVATIVES IN AN AQUEOUS SOLUTION OF XANTHAN GUM AND/OR WATER-SOLUBLE DERIVATIVES OF XATHAN GUM.
Inventors
- 👤 Hans Ruggeberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:00
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11; C; C08; C08L; C08L3/00; C08L3/02
Claims Analysis
Total Claims: 0
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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) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |