Patent US2969272A successfully refreshed from Google Patents.
US2969272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of siliceous materials
Assignee: Montedison SpA
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Filing: 1957-04-26
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Granted: 1961-01-24
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Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
- 👤 Teja Jayanti Dharma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:34
CPC Classifications
C; C03; C03C; C03C13/00; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
THE METHOD OF PREPARING AMOROPHOUS GLASS FIBERS FROM A VISCOUS SULICEOUS AQUEOUS COMPOSITION WHICH INCLUDES THE STEPS OF DIRECTING A STREAM OF VISCOUS SILICEOUS AQUEOUS COMPOSITION DOWNWARDLY THROUGH AN ORIFICE PASSING THE STREAM DOWNWARDLY THROUGH A GASEOUS ATMOSPHERE, SUBJECTING THE STREAM TO A STRETCHING OF SUCH MAGNITUDE THE THE SQUARE ROOT OF THE RATIO OF THE LENGTH OF THE RESULTING SILICEOUS PRODUCT OF THE FIAMETER OF A THEORETICAL SPHERE OF SAID VISCOUS SILICEOUS AQUAEOUS COMPOSITION HAVING A TOTAL SOLIDS CONTENT EQUAL TO THE SOLIDS CONTENT OF SAID LENGTH OF PRODUCT IS GREATER THAN 5, AND EVAPORATING THE WATER FORM THE STREAM OF SISICEOUS PRODUCT, WHEREBY A REALTIVELY HIGH RATE OF COLLECTION OF THE RESULTING AMORPHOUS GLASS FIBER IS ACHIEVED WITHOUT TROUBLESOME BREAKAGE OF SAID STREAM, SAID VISCOUS AQUEOUS COMPOSITION CONSISTING ESSENTIALLY OF WATER, OXYGEN-CON TAINING COMPOUNDS OF SILICON COMPRISING AMORPHOUS SIL ICATE PARTICLES OF COLLODIAL DIMENSION, OXYGEN-CONATAINING COMPOUNDS OF AT LEAST ONS ALKALI MATAL OF THE GROUP CONSISTING OF SODIUM AND POTASSIUM, AND OXYGEN-CONTAINING COMPOUNDS OF AT LEAST ONE METAL OF THE GROUP CONTAINING OF BORON, ALUMINUM, ZIRCONIUM, TITANIUM, ZINC, CALCIUM, BARIUM, AND GERMANIUM, PHOSPHORUS, LEAD, THORIUM, BERYLLIUM, AND TUNGSTEN, THE OIDES OF SAID METALS CONSISTUTING A NON-ALIAKLINE GLASS COMPONENY OXIDE GROUP.
Claim 2
Independent Claim
202 words
THE METHOD OF PREPARING AMOROPHOUS GLASS FIBERS FROM A VISCOUS SULICEOUS AQUEOUS COMPOSITION WHICH INCLUDES THE STEPS OF DIRECTING A STREAM OF VISCOUS SILICEOUS AQUEOUS COMPOSITION DOWNWARDLY THROUGH AN ORIFICE PASSING THE STREAM DOWNWARDLY THROUGH A GASEOUS ATMOSPHERE, SUBJECTING THE STREAM TO A STRETCHING OF SUCH MAGNITUDE THE THE SQUARE ROOT OF THE RATIO OF THE LENGTH OF THE RESULTING SILICEOUS PRODUCT OF THE FIAMETER OF A THEORETICAL SPHERE OF SAID VISCOUS SILICEOUS AQUAEOUS COMPOSITION HAVING A TOTAL SOLIDS CONTENT EQUAL TO THE SOLIDS CONTENT OF SAID LENGTH OF PRODUCT IS GREATER THAN 5, AND EVAPORATING THE WATER FORM THE STREAM OF SISICEOUS PRODUCT, WHEREBY A REALTIVELY HIGH RATE OF COLLECTION OF THE RESULTING AMORPHOUS GLASS FIBER IS ACHIEVED WITHOUT TROUBLESOME BREAKAGE OF SAID STREAM, SAID VISCOUS AQUEOUS COMPOSITION CONSISTING ESSENTIALLY OF WATER, OXYGEN-CON TAINING COMPOUNDS OF SILICON COMPRISING AMORPHOUS SIL ICATE PARTICLES OF COLLODIAL DIMENSION, OXYGEN-CONATAINING COMPOUNDS OF AT LEAST ONS ALKALI MATAL OF THE GROUP CONSISTING OF SODIUM AND POTASSIUM, AND OXYGEN-CONTAINING COMPOUNDS OF AT LEAST ONE METAL OF THE GROUP CONTAINING OF BORON, ALUMINUM, ZIRCONIUM, TITANIUM, ZINC, CALCIUM, BARIUM, AND GERMANIUM, PHOSPHORUS, LEAD, THORIUM, BERYLLIUM, AND TUNGSTEN, THE OIDES OF SAID METALS CONSISTUTING A NON-ALIAKLINE GLASS COMPONENY OXIDE GROUP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |