Patent US3046234A successfully refreshed from Google Patents.
US3046234A
Expired / Lapsed
US
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Stable alkaline silica sols containing certain dialdehydes
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-12-07
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Granted: 1962-07-24
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Daniel P Roman
- 👤 Thomas A Taulli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:14
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/14; C01B33/145; C01B33/146; C01B33/148; C01B33/1485; C09; C09K; C09K23/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
91 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF (1) A STABLE ALKALINE SILICA SOL HAVING A COLLOIDAL SILICA DISPERSE PHASE AND A LIQUID CONTINUOUS PHASE WHICH LIQUID IS SELECTED FROM THE GROUP CONSISTING OF WATER AND A SOLUTION OF WATER AND A WATER-MISCIBLE ORGANIC LIQUID SELECTED FROM THE GROUP CONSISTING OF ACETONE AND WATER MISCIBLE MONOHYDRIC AND POLYHYDRIC ALCOHOLS, IN WHICH SOLUTION SAID ORGANIC LIQUID IS PRESENT IN AMOUNTS OF UP TO 50% BY WEIGHT AND (2) FROM ABOUT 0.002% TO ABOUT 0.05% BY WEIGHT OF A DIALDEHYDE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
91 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF (1) A STABLE ALKALINE SILICA SOL HAVING A COLLOIDAL SILICA DISPERSE PHASE AND A LIQUID CONTINUOUS PHASE WHICH LIQUID IS SELECTED FROM THE GROUP CONSISTING OF WATER AND A SOLUTION OF WATER AND A WATER-MISCIBLE ORGANIC LIQUID SELECTED FROM THE GROUP CONSISTING OF ACETONE AND WATER MISCIBLE MONOHYDRIC AND POLYHYDRIC ALCOHOLS, IN WHICH SOLUTION SAID ORGANIC LIQUID IS PRESENT IN AMOUNTS OF UP TO 50% BY WEIGHT AND (2) FROM ABOUT 0.002% TO ABOUT 0.05% BY WEIGHT OF A DIALDEHYDE HAVING THE STRUCTURAL FORMULA
Claim 3
Dependent Claim
75 words
THE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A STABLE ALKALINE SILICA AQUASOL HAVING A PH IN THE RANGE OF ABOUT 8.5 TO ABOUT 10.5 AND HAVING AN SIO2 TO M2O MOLECULAR RATIO, WHERE M IS AN ALKALI METAL, IN THE RANGE OF ABOUT 40:1 TO ABOUT 200:1, CONTAINING FROM ABOUT 5% TO ABOUT 45% BY WEIGHT OF COLLOIDAL SILICA, AND FROM ABOUT 0.002 TO ABOUTR 0.05% BY WEIGHT OF A DIALDEHYDE HAVING THE STRUCTURAL FORMULA
Claim 4
Dependent Claim
75 words
THE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A STABLE ALKALINE SILICA AQUASOL HAVING A PH IN THE RANGE OF ABOUT 8.5 TO ABOUT 10.5 AND HAVING AN SIO2 TO M2O MOLECULAR RATIO, WHERE M IS AN ALKALI METAL, IN THE RANGE OF ABOUT 40:1 TO ABOUT 200:1, CONTAINING FROM ABOUT 5% TO ABOUT 45% BY WEIGHT OF COLLOIDAL SILICA, AND FROM ABOUT 0.002 TO ABOUTR 0.05% BY WEIGHT OF A DIALDEHYDE HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2823186A
Cited
US2801216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |