US3574121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of detergent compositions containing sodium tripolyphosphate
Assignee: Knapsack AG
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Filing: 1966-04-26
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Granted: 1971-04-06
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Expires: 1986-04-26
Abstract
Abstract IN THE PROCESS FOR THE MANUFACTURE OF DETERGENT COMPOSITIONS COMPRISING MIXING A SLURRY OF DETERGENT COMPONENTS AND AN ACTIVE AMOUNT OF SODIUM TRIPOLYPHOSPHATE AND SPRAY DRYING THE RESULTING MIXTURE, THE IMPROVEMENT COMPRISING MIXING SAID SLURRY WITH DRY SODIUM TRIPOLYPHOSPHATE, AT LEAST A PORTION OF THE TRIPOLYPHOSPHATE BEING IN ITS HEXAHYDRATE FORM AND SPRAY DRYING THE RESULTING MIXTURE.
Inventors
- 👤 Karl Merkenich
- 👤 Hellmut Gabler
- 👤 Wolf-Dieter Pirig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:59
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/062
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |