US3849346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing granular detergent composition
Assignee: Lion Fat and Oil Co Ltd
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Filing: 1972-06-08
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Granted: 1974-11-19
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Expires: 1992-06-08
Abstract
Abstract 1. A PROCESS FOR PREPARING A GRANULAR DETERGENT COMPOSITION WHICH COMPRISES SPRAY DRYING A SLURRY OF 70-40% BY WEIGHT OF A MIXTURE OF 10-40% BY WEIGHT OF AN ANIONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM ALKYLARYL SULFONATE (C8-C18), SODIUM OLEFIN SULFONATE (C8-C20), SODIUM ALKYL SULFONATE (C8-C20), SODIUM ALKYL SULFATE (C8-C20) AND MIXTURES THEREOF, 1540% BY WEIGHT OF SODIUM TRIPOLYPHOSPHATE, 15-40% BY WEIGHT OF SODIUM SILICATE HAVING AN NA2O TO SIO2 RATIO OF 0.5 -3, 0.5-10% BY WEIGHT OF MAGNESIUM SULFATE IN 3060% BY WEIGHT OF WATER.
Inventors
- 👤 H Kuwamura
- 👤 T Tamura
- 👤 I Kashiwa
- 👤 T Hirabayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:08
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D1/14; C11D1/143; C11D1/146; C11D11/00; C11D11/02; C11D3/00; C11D3/02; C11D3/04; C11D3/046; C11D3/06; C11D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR PREPARING A GRANULAR DETERGENT COMPOSITION WHICH COMPRISES SPRAY DRYING A SLURRY OF 70-40% BY WEIGHT OF A MIXTURE OF 10-40% BY WEIGHT OF AN ANIONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM ALKYLARYL SULFONATE (C8-C18), SODIUM OLEFIN SULFONATE (C8-C20), SODIUM ALKYL SULFONATE (C8-C20), SODIUM ALKYL SULFATE (C8-C20) AND MIXTURES THEREOF, 1540% BY WEIGHT OF SODIUM TRIPOLYPHOSPHATE, 15-40% BY WEIGHT OF SODIUM SILICATE HAVING AN NA2O TO SIO2 RATIO OF 0.5 -3, 0.5-10% BY WEIGHT OF MAGNESIUM SULFATE IN 3060% BY WEIGHT OF WATER.
Claim 2
Dependent Claim
89 words
A PROCESS FOR PREPARING A GRANULAR DETERGENT COMPOSITION WHICH COMPRISES SPRAY DRYING A SLURRY OF 70-40% BY WEIGHT OF A MIXTURE OF 10-40% BY WEIGHT OF AN ANIONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM ALKYLARYL SULFONATE (C8-C18), SODIUM OLEFIN SULFONATE (C8-C20), SODIUM ALKYL SULFONATE (C8-C20), SODIUM ALKYL SULFATE (C8-C20) AND MIXTURES THEREOF, 1540% BY WEIGHT OF SODIUM TRIPOLYPHOSPHATE, 15-40% BY WEIGHT OF SODIUM SILICATE HAVING AN NA2O TO SIO2 RATIO OF 0.5 -3, 0.5-10% BY WEIGHT OF MAGNESIUM SULFATE IN 3060% BY WEIGHT OF WATER.
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |