US3332490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous solutions of devitrifiable glasses, methods of using, and products thereof
Assignee: Gulf Research and Development Co
•
Filing: 1964-12-21
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Granted: 1967-07-25
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Fred W Burtch
- 👤 John F Muirhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:07
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/56; C09K8/57; C09K8/572; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPOSITION FOR USE IN KTHE CONSOLIDATIOR, OF PARTICULATE MATTER WHICH COMPRISES AN AQUEOUS SOLUTION OF A SILICATE SELECTED FROM THE CLASS CONSISTING OF SODIUM SILICATE, POTASSIUM, SILICATE, AND MIXTURES THEREOF, AND ALKALI METAL HYDROXIDE SELECTED FROM THE CLASS CONSISTING OF LITHIUM HYDROXIDE, SODIUM HYDROXIDE, POTASSIUM HYDROXIDE, AND MIXTURES THEREOF, AND AT LEAST 5 PERCENT BY WEIGHT OF A LEAD OXIDE-BASE DEVITRIFIABLE GLASS.
Claim 2
Independent Claim
87 words
A METHOD OF CONSOLIDATING INCOMPETENT OIL-FREE, PERMEABLE FORMATIONS ADJACENT TO UNDERGROUND BORE HOLES WHICH COMPRISES THE STEPS OF INJECTING A SOLUTION WHICH CONSISTS ESSENTIALLY OF A LEAD OXIDE-BASE DEVITRIFIABLE GLASS DISSOLVED IN AN AQUEOUS SOLUTION OF SODIUM SILICATE AND SODIUM HYDROXIDE INTO SAID FORMATION, DRIVING OFF SAID WATER OF SOLUTION, HEATING SAID FORMATION TO A FIRST TEMPERATURE WHEREBY SAID GLASS MELTS AND WETS THE PARTICLES MAKING UP SAID FORMATION, AND HEATING SAID FORMATION TO A SECOND TEMPERATURE AT WHICH SAID GLASS DEVITRIFIES WHEREBY SAID FORMATION IS CONSOLIDATED.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |