US3748103A
Expired / Lapsed
US
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Process for the production of hydrous granular sodium silicate
Assignee: Honeywell International Inc
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Filing: 1971-06-25
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Granted: 1973-07-24
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Expires: 1991-06-25
Abstract
Abstract A GRANULAR HYDROUS SODIUM SILICATE PRODUCT THE GRANULES OF WHICH COMPRISE AGGLOMERATED PARTICLES, THE NA2O/SIO2 RATIO OF SAID PRODUCT RANGING FROM 1:1.0 TO 1:3.2 WITH A WATER CONTENT OF 10 TO 20% BY WEIGHT IS MADE BY A PROCESS FOR THE PRODUCTION OF SAID PRODUCT INVOLVING THE DISPERSION OF AN AQUEOUS SOLUTION OF SODIUM SILICATE INTO A FLUID BED ZONE, REMOVING A PORTION OF THE BED, CONTROLLING OPERATING VARIABLES TO MAINTAIN THE MOISTURE CONTENT OF THE BED WITHIN PRESCRIBED LIMITS AND RECYCLING A QUANTITY OF THE MATERIAL REMOVED.
Inventors
- 👤 S Bean
- 👤 A Montone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:37
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/16; C; C01; C01B; C01B33/00; C01B33/20; C01B33/32; C01B33/325; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129; Y10; Y10S; Y10S159/00; Y10S159/03; Y10S159/38
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References Cited (Backward Citations)
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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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |