Patent US3329616A successfully refreshed from Google Patents.
US3329616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing detergents
Assignee: Monsanto Co
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Filing: 1963-07-31
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Granted: 1967-07-04
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Harold E Feierstein
- 👤 John T Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:52
CPC Classifications
C; C11; C11D; C11D11/00; C11D11/0082; C11D17/00; C11D17/0039
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
236 words
A PROCESS FOR PREPARING A STABLE, WATER-SOLUBLE COMPOSITION WHICH COMPRISES THE STEPS OF (1) PARTIALLY TO COMPLETELY COATING SOLID PARTICLES OF A HYDRATABLE INORGANIC DETEGENT BUILDER SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL PHOSPHATES, SILICATES, BORATES, CARBONATES, BICARBONATES, SULFATES, CHLORIDES, AND MIXTURES THEREOF WITH FROM ABOUT 3% TO ABOUT 30% BY WEIGHT, BASED UPON THE WEIGHT OF SAID COMPOSITION, OF A NONSOAP SYNTHETIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF NONSOAP SYNTHETIC ANIONIC SURFACE ACTIVE AGENTS AND NONSOAP SYNTHETIC NONIONIC SURFACE ACTIVE AGENTS; (2) ADDING TO THE RESULTING COATED SOLID PARTICLES FROM ABOUT 10% TO ABOUT 35% BY WEIGHT, BASED ON THE WEIGHT OF SAID COMPOSITION, OF WATER SUFFICIENT TO INDUCE AGGLOMERATION OF THE PARTICLES AND TO FORM A POURABLE WET FLUID MASS CONSISTING OF AN AQUEOUS SLURRY COMPRISING AGGLOMERATES OF SAID COATED PARTICLES DISPERSED IN THE AQUEOUS PHASE OF SAID SLURRY BUT INSUFFICIENT WITHIN SAID 10 TO 35% RANGE TO DISSOLVE SAID COATED PARTICLES, SAID WATER BEING ADDED OVER A PERIOD OF FROM ABOUT TWO SECONDS TO ABOUT TWO MINUTES TO PREVENT APPRECIABLE AGGLOMERATION OF SAID PARTICLES AND HYDRATION OF SAID BUILDER SALT DURING SAID ADDITION OF WATER; AND (3) AGING THE RESULTING FLUID MASS UNTIL SAID WATER IS SUBSTANTIALLY COMPLETELY INCORPORATED AS WATER OF HYDRATION IN SAID BUILDER SALT AND A FRIABLE, AGGLOMERATED PRODUCT COMPRISING A MIXTURE OF THE HYDRATED BUILDER SALT AND SAID ORGANIC SURFACE ACTIVE AGENT IS FORMED.
Claim 2
Dependent Claim
236 words
A PROCESS FOR PREPARING A STABLE, WATER-SOLUBLE COMPOSITION WHICH COMPRISES THE STEPS OF (1) PARTIALLY TO COMPLETELY COATING SOLID PARTICLES OF A HYDRATABLE INORGANIC DETEGENT BUILDER SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL PHOSPHATES, SILICATES, BORATES, CARBONATES, BICARBONATES, SULFATES, CHLORIDES, AND MIXTURES THEREOF WITH FROM ABOUT 3% TO ABOUT 30% BY WEIGHT, BASED UPON THE WEIGHT OF SAID COMPOSITION, OF A NONSOAP SYNTHETIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF NONSOAP SYNTHETIC ANIONIC SURFACE ACTIVE AGENTS AND NONSOAP SYNTHETIC NONIONIC SURFACE ACTIVE AGENTS; (2) ADDING TO THE RESULTING COATED SOLID PARTICLES FROM ABOUT 10% TO ABOUT 35% BY WEIGHT, BASED ON THE WEIGHT OF SAID COMPOSITION, OF WATER SUFFICIENT TO INDUCE AGGLOMERATION OF THE PARTICLES AND TO FORM A POURABLE WET FLUID MASS CONSISTING OF AN AQUEOUS SLURRY COMPRISING AGGLOMERATES OF SAID COATED PARTICLES DISPERSED IN THE AQUEOUS PHASE OF SAID SLURRY BUT INSUFFICIENT WITHIN SAID 10 TO 35% RANGE TO DISSOLVE SAID COATED PARTICLES, SAID WATER BEING ADDED OVER A PERIOD OF FROM ABOUT TWO SECONDS TO ABOUT TWO MINUTES TO PREVENT APPRECIABLE AGGLOMERATION OF SAID PARTICLES AND HYDRATION OF SAID BUILDER SALT DURING SAID ADDITION OF WATER; AND (3) AGING THE RESULTING FLUID MASS UNTIL SAID WATER IS SUBSTANTIALLY COMPLETELY INCORPORATED AS WATER OF HYDRATION IN SAID BUILDER SALT AND A FRIABLE, AGGLOMERATED PRODUCT COMPRISING A MIXTURE OF THE HYDRATED BUILDER SALT AND SAID ORGANIC SURFACE ACTIVE AGENT IS FORMED.
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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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |