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US2693427A Expired / Lapsed US ⏱️ 0.0 years remaining

Treatment of textile and cellulosic material

Assignee: Monsanto Chemicals Ltd
•
Filing: 1947-07-30
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Granted: 1954-11-02
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Expires: 1967-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 Carleton L Kingsford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:30
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918; Y10S8/919; Y10S8/92; Y10S8/921; Y10S8/924

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 72 words
THE METHOD OF FINISHING A TEXTILE MATERIAL WHICH COMPRISES TREATING SAID TEXTILE MATERIAL WITH AN AQUEOUS SOLUTION COMPRISING A CATIONIC SURFACE ACTIVE AGENT AND AN INORGANIC SALT AND THEN FURTHER TREATING SAID MATERIAL WHILE IT IS STILL WET WITH AN AQUEOUS SOLUTION CONTAINING FROM 0.01 TO 0.2% COLLOIDAL SILICA AT A TEMPERATURE OF 75 TO 100* C., THE WEIGHT RATIO OF SAID AQUEOUS SOLUTION TO TEXTILE MATERIAL BEING BETWEEN 50:1 AND 200:1.
Claim 2
Independent Claim 72 words
THE METHOD OF FINISHING A TEXTILE MATERIAL WHICH COMPRISES TREATING SAID TEXTILE MATERIAL WITH AN AQUEOUS SOLUTION COMPRISING A CATIONIC SURFACE ACTIVE AGENT AND AN INORGANIC SALT AND THEN FURTHER TREATING SAID MATERIAL WHILE IT IS STILL WET WITH AN AQUEOUS SOLUTION CONTAINING FROM 0.01 TO 0.2% COLLOIDAL SILICA AT A TEMPERATURE OF 75 TO 100* C., THE WEIGHT RATIO OF SAID AQUEOUS SOLUTION TO TEXTILE MATERIAL BEING BETWEEN 50:1 AND 200:1.

References Cited (Backward Citations)

GB483496A Cited
US2343095A Cited
US2416892A Cited
US2408654A Cited
US2421363A Cited
US2526684A Cited
US2527329A Cited
US2443512A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-11-01 1958-05-03 1958-11-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-11-01 1962-05-03 1962-11-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-11-01 1966-05-03 1966-11-02 $7700.00 Window Closed / Lapsed

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