US2941947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of freeflowing detergent compositions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1955-06-06
•
Granted: 1960-06-21
•
Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Paul J Schauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:28
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D11/00; C11D11/02; Y; Y10; Y10S; Y10S159/00; Y10S159/03; Y10S159/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN THE PRODUCTION OF SPRAY-DRIED DETERGENT COMPOSITIONS COMPRISING AN ACTIVE NONIONIC ORGANIC DETERGENT CONSTITUENT IN THE PRESENCE OF A HYDRATABLE ALKALINE BUILDER COMPONENT, WHICH SPRAY-DRIED DETERGENT COMPOSITIONS ARE SUBSTANTIALLY FREE FROM CAKING A BLOCKING, THE IMPROVEMENT WHICH COMPRISES INTRODUCING THE HOT SPRAYDRIED DETERGENT COMPOSITION DIRECTLY FROM THE SPRAY TOWER TO A FLUIDIZING TOWER AND SUSPENDING SAID DETERGENT UNDER FLUIDIZING CONDITIONS FOR AN AVERAGE SOJOURN TIME OF FROM ABOUT 10 MINUTES TO ABOUT 40 MINUTES.
Claim 2
Dependent Claim
74 words
IN THE PRODUCTION OF SPRAY-DRIED DETERGENT COMPOSITIONS COMPRISING AN ACTIVE NONIONIC ORGANIC DETERGENT CONSTITUENT IN THE PRESENCE OF A HYDRATABLE ALKALINE BUILDER COMPONENT, WHICH SPRAY-DRIED DETERGENT COMPOSITIONS ARE SUBSTANTIALLY FREE FROM CAKING A BLOCKING, THE IMPROVEMENT WHICH COMPRISES INTRODUCING THE HOT SPRAYDRIED DETERGENT COMPOSITION DIRECTLY FROM THE SPRAY TOWER TO A FLUIDIZING TOWER AND SUSPENDING SAID DETERGENT UNDER FLUIDIZING CONDITIONS FOR AN AVERAGE SOJOURN TIME OF FROM ABOUT 10 MINUTES TO ABOUT 40 MINUTES.
References Cited (Backward Citations)
US2480730A
Cited
US2244158A
Cited
US2427642A
Cited
US2544616A
Cited
US2501487A
Cited
US2746930A
Cited
US2572359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |