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US2696444A Expired / Lapsed US ⏱️ 0.0 years remaining

Modified silica aquasol and textile fibers treated therewith

Assignee: Monsanto Chemicals Ltd
•
Filing: 1949-08-30
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Granted: 1954-12-07
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Expires: 1969-08-30
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Abstract

No abstract record available.

Inventors

  • 👤 Elmer H Rossin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:55
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)

US2174760A Cited
US2456283A Cited
US2443512A Cited
US2538199A Cited

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

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