Patent US2693427A successfully refreshed from Google Patents.
US2693427A
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Treatment of textile and cellulosic material
Assignee: Monsanto Chemicals Ltd
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Filing: 1947-07-30
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Granted: 1954-11-02
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Expires: 1967-07-30
Abstract
No abstract record available.
Inventors
- 👤 Carleton L Kingsford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:46
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
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US2416892A
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US2408654A
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US2421363A
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US2526684A
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US2527329A
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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 |