Patent US2586477A successfully refreshed from Google Patents.
US2586477A
Expired / Lapsed
US
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Treatment of textile materials
Assignee: Monsanto Chemicals Ltd
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Filing: 1947-08-27
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Granted: 1952-02-19
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Expires: 1967-08-27
Abstract
No abstract record available.
Inventors
- 👤 George E Niles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:35
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF PREPARING AND FINISHING TEXTILE FABRIC WHICH COMPRISES TREATING YARNS WITH AN AQUEOUS SOLUTION OF A SALT OF COPOLYMERIZED STYRENE-MALEIC ANHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI SALTS AND AMINE SALTS, SAID SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFI CIENT TO PROVIDE FROM 4 TO 7% BY WEIGHT OF THE SALT BASED ON THE YARN WEAVING THE RESULTING YARNS INTO FABRICS, THEN APPLYING AN AQUEOUS SOLUTION OF A HEAVY METAL SALT TO THE FABRIC, AFTER WHICH THE FABRIC IS DRIED.
Claim 2
Independent Claim
83 words
THE METHOD OF PREPARING AND FINISHING TEXTILE FABRIC WHICH COMPRISES TREATING YARNS WITH AN AQUEOUS SOLUTION OF A SALT OF COPOLYMERIZED STYRENE-MALEIC ANHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI SALTS AND AMINE SALTS, SAID SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFI CIENT TO PROVIDE FROM 4 TO 7% BY WEIGHT OF THE SALT BASED ON THE YARN WEAVING THE RESULTING YARNS INTO FABRICS, THEN APPLYING AN AQUEOUS SOLUTION OF A HEAVY METAL SALT TO THE FABRIC, AFTER WHICH THE FABRIC IS DRIED.
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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |