Patent US2696444A successfully refreshed from Google Patents.
US2696444A
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Modified silica aquasol and textile fibers treated therewith
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-08-30
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Granted: 1954-12-07
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Expires: 1969-08-30
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Rossin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:22
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A TEXTILE FIBER PROCESSING COMPOSITON COMPRISING AN ESSENTIAL INGREDIENTS AN ALKALINE REACTING SILICA AQUASOL CONTAINING FROM 5 TO 45% BY WEIGHT OF SILICA AND A SUBSTANCE CONSISTING OF A WATER-SOLUBLE CONDENSATION PRODUCT OF ETHYLENE OXIDE AND A MONO-FATTY ACID ESTER OF SORBITAN IN WHICH THE FATTY ACID PORTION OF THE ESTER HAS FROM 10 TO 20 CARBON ATOMS, SAID SUBSTANCE BEING PRESENT IN SAID COMPOSITION IN AMOUNTS BETWEN 50 AND 250%, BASED ON THE WEIGHT OF THE SILICA IN SAID AQUASOL.
Claim 2
Dependent Claim
81 words
A TEXTILE FIBER PROCESSING COMPOSITON COMPRISING AN ESSENTIAL INGREDIENTS AN ALKALINE REACTING SILICA AQUASOL CONTAINING FROM 5 TO 45% BY WEIGHT OF SILICA AND A SUBSTANCE CONSISTING OF A WATER-SOLUBLE CONDENSATION PRODUCT OF ETHYLENE OXIDE AND A MONO-FATTY ACID ESTER OF SORBITAN IN WHICH THE FATTY ACID PORTION OF THE ESTER HAS FROM 10 TO 20 CARBON ATOMS, SAID SUBSTANCE BEING PRESENT IN SAID COMPOSITION IN AMOUNTS BETWEN 50 AND 250%, BASED ON THE WEIGHT OF THE SILICA IN SAID AQUASOL.
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) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |