Patent US2854357A successfully refreshed from Google Patents.
US2854357A
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Sized nylon yarns and method for producing same
Assignee: Monsanto Chemicals Ltd
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Filing: 1956-10-05
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Granted: 1958-09-30
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Expires: 1976-10-05
Abstract
No abstract record available.
Inventors
- 👤 John H Johnson
- 👤 Joseph E Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:20
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF SIZING NYLON YARNS TO PREPARE THEM FOR WEAVING WHICH COMPRISES TREATING SAID YARNS WITH AN AQUEOUS SOLUTION COMPRISING ABOUT 2 TO 15 PERCENT BY WEIGHT OF AN ETHYLENE/MALEIC ANHYDRIDE INTERPOLYMER CONVERTED TO WATER-SOLUBLE FREE ACID FORM, SAID INTERPOLYMER IN SAID FREE ACID FORM HAVING FROM ZERO TO 100 PERCENT OF ITS MALEIC UNITS MONO-ESTERIFIED WITH AN ALKANOL, SAID INTERPOLYMER IN SAID FREE ACID FORM HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.1 AS DETERMINED ON A ONE WEIGHT PERCENT SOLUTION THEREOF IN DIMETHYLFORMAMIDE AT 25*C., SAID AQUEOUS SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT FROM ABOUT 0.5 TO 5 PERCENT BY WEIGHT, BASED ON THE DRY YARNS, OF SAID INTERPOLYMER, AND THEN DRYING SAID YARNS.
Claim 2
Independent Claim
121 words
A METHOD OF SIZING NYLON YARNS TO PREPARE THEM FOR WEAVING WHICH COMPRISES TREATING SAID YARNS WITH AN AQUEOUS SOLUTION COMPRISING ABOUT 2 TO 15 PERCENT BY WEIGHT OF AN ETHYLENE/MALEIC ANHYDRIDE INTERPOLYMER CONVERTED TO WATER-SOLUBLE FREE ACID FORM, SAID INTERPOLYMER IN SAID FREE ACID FORM HAVING FROM ZERO TO 100 PERCENT OF ITS MALEIC UNITS MONO-ESTERIFIED WITH AN ALKANOL, SAID INTERPOLYMER IN SAID FREE ACID FORM HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.1 AS DETERMINED ON A ONE WEIGHT PERCENT SOLUTION THEREOF IN DIMETHYLFORMAMIDE AT 25*C., SAID AQUEOUS SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT FROM ABOUT 0.5 TO 5 PERCENT BY WEIGHT, BASED ON THE DRY YARNS, OF SAID INTERPOLYMER, AND THEN DRYING SAID YARNS.
References Cited (Backward Citations)
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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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |