US2593652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making soluble solid silicates
Assignee: Compagnie de Saint Gobain SA
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Filing: 1947-07-31
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Granted: 1952-04-22
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Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Blanchard Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:38
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD OF MAKING A DRY, WATER SOLUBLE ALKALI METAL SILICATE THAT INCLUDES THE STEPS OF CONCENTRATING A WATER SOLUTION OF THE ALKALI METAL SILICATE, HAVNG A RATIO OF SIO2 TO METAL OXIDE FALLING WITHIN THE RANGE EQUIVALENT TO 2.5 TO 4 BY HEATING BELOW ITS BOILING POINT TO AN END POINT INDICATING A WATER CONTENT OF 44 TO 54%, COOLING THE MASS WITH DISRUPTIVE AGITATION, DEHYDRATING THE DIVIDED MASS IN THE COLD, HEATING SAMPLES OF THE MASS FROM TIME TO TIME UNTIL A SAMPLE DOES NOT AGGLOMERATE, AND DRYING THE MASS AT ELEVATED TEMPERATURE.
Claim 2
Independent Claim
95 words
THE METHOD OF MAKING A DRY, WATER SOLUBLE ALKALI METAL SILICATE THAT INCLUDES THE STEPS OF CONCENTRATING A WATER SOLUTION OF THE ALKALI METAL SILICATE, HAVNG A RATIO OF SIO2 TO METAL OXIDE FALLING WITHIN THE RANGE EQUIVALENT TO 2.5 TO 4 BY HEATING BELOW ITS BOILING POINT TO AN END POINT INDICATING A WATER CONTENT OF 44 TO 54%, COOLING THE MASS WITH DISRUPTIVE AGITATION, DEHYDRATING THE DIVIDED MASS IN THE COLD, HEATING SAMPLES OF THE MASS FROM TIME TO TIME UNTIL A SAMPLE DOES NOT AGGLOMERATE, AND DRYING THE MASS AT ELEVATED TEMPERATURE.
References Cited (Backward Citations)
US1111918A
Cited
GB528374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |