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US3334049A
Expired / Lapsed
US
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Detergent processes
Assignee: Monsanto Co
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Filing: 1965-04-19
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Granted: 1967-08-01
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Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Robert R Versen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:31
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/062; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/38; C01B25/40; C01B25/41; C01B25/418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A PROCESS FOR MANUFACTURING A HEAT-DRIED HEAVY DUTY DETERGENT COMPOSITION CONTAINING AT LEAST ABOUT 20 WEIGHT PERCENT OF SODIUM TRIPOLYPHOSPHATE HEXAHYDRATE, WHICH PROCESS COMPRISES (1) PREPARING A CONCENTRATED AQUEOUS SLURRY CONTAINING AT MOST ABOUT 45 WEIGHT PERCENT OF FREE WATER BY INITIALLY INTERMIXING WATER WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) ANHYDROUS SODIUM TRIPOLYPHOSPHATE AND (B) A MIXTURE OF SODIUM TRIMETAPHOSPHATE AND A STRONG SODIUM-CONTAINING BASE, AND (2) HEAT-DRYING SAID CONCENTRATED AQUEOUS SLURRY; THE IMPROVEMENT WHICH COMPRISES WITHHOLDING A PORTION OF SAID WATER FROM SAID CONCENTRATED AQUEOUS SLURRY UNTIL AT LEAST ABOUT 50 WEIGHT PERCENT OF THE PHOSPHATE MATERIAL INITIALLY PRESENT IN SAID SLURRY HAS BEEN CONVERTED TO SODIUM TRIPOLYPHOSPHATE HEXAHYDRATE, AND THEN BLENDING SAID PORTION OF SAID WATER INTO SAID CONCENTRATED AQUEOUS SLURRY; SAID PORTION BEING FROM ABOUT 1 TO ABOUT 20 WEIGHT PERCENT, BASED ON THE AMOUNT OF FREE WATER IN SAID CONCENTRATED AQUEOUS SLURRY JUST BEFORE IT IS HEAT-DRIED.
Claim 2
Dependent Claim
156 words
IN A PROCESS FOR MANUFACTURING A HEAT-DRIED HEAVY DUTY DETERGENT COMPOSITION CONTAINING AT LEAST ABOUT 20 WEIGHT PERCENT OF SODIUM TRIPOLYPHOSPHATE HEXAHYDRATE, WHICH PROCESS COMPRISES (1) PREPARING A CONCENTRATED AQUEOUS SLURRY CONTAINING AT MOST ABOUT 45 WEIGHT PERCENT OF FREE WATER BY INITIALLY INTERMIXING WATER WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) ANHYDROUS SODIUM TRIPOLYPHOSPHATE AND (B) A MIXTURE OF SODIUM TRIMETAPHOSPHATE AND A STRONG SODIUM-CONTAINING BASE, AND (2) HEAT-DRYING SAID CONCENTRATED AQUEOUS SLURRY; THE IMPROVEMENT WHICH COMPRISES WITHHOLDING A PORTION OF SAID WATER FROM SAID CONCENTRATED AQUEOUS SLURRY UNTIL AT LEAST ABOUT 50 WEIGHT PERCENT OF THE PHOSPHATE MATERIAL INITIALLY PRESENT IN SAID SLURRY HAS BEEN CONVERTED TO SODIUM TRIPOLYPHOSPHATE HEXAHYDRATE, AND THEN BLENDING SAID PORTION OF SAID WATER INTO SAID CONCENTRATED AQUEOUS SLURRY; SAID PORTION BEING FROM ABOUT 1 TO ABOUT 20 WEIGHT PERCENT, BASED ON THE AMOUNT OF FREE WATER IN SAID CONCENTRATED AQUEOUS SLURRY JUST BEFORE IT IS HEAT-DRIED.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |