US2823186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silica aquasol containing a polyhydric alcohol
Assignee: Monsanto Chemicals Ltd
•
Filing: 1955-09-14
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Granted: 1958-02-11
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Expires: 1975-09-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Nickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:05
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79; C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/14; C01B33/141; C01B33/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A STABLE, ALKALINE SILICA AQUASOL HAVING DISSOLVED THEREIN FROM ABOUT 3 TO 30% BY WEIGHT OF A WATER-SOLUBLE POLYHYDRIC ALCOHOL, BASED ON SAID AQUASOL, AND FROM 0.005 TO 1% BY WEIGHT OF SODIUM PENTACHLOROPHENATE, BASED ON SAID AQUASOL AND POLYHYDRIC ALCOHOL.
Claim 2
Dependent Claim
48 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A STABLE, ALKALINE SILICA AQUASOL HAVING DISSOLVED THEREIN FROM ABOUT 3 TO 30% BY WEIGHT OF A WATER-SOLUBLE POLYHYDRIC ALCOHOL, BASED ON SAID AQUASOL, AND FROM 0.005 TO 1% BY WEIGHT OF SODIUM PENTACHLOROPHENATE, BASED ON SAID AQUASOL AND POLYHYDRIC ALCOHOL.
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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |