US2686137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sized yarn and process of sizing
Assignee: Monsanto Chemicals Ltd
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Filing: 1951-11-26
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Granted: 1954-08-10
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Expires: 1971-11-26
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Rossin
- 👤 Milton J Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:00
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 WATER-INSOLUBLE NYLON WRAP YARNS TO PREPARE THEM FOR WEAVING WHICH COMPRISES TREATING SAID YARNS WITH AN AQUEOUS SOLUTION HAVING A PH BETWEEN 2 AND 5 AND COMPRISING FROM ABOUT 2 TO 15% BY WEIGHT OF A WATER-SOLUBLE COPOLYMER OF SUBSTANTIALLY 50 MOL PER CENT OF VINYL ACETATE AND SUBSTANTIALLY 50 MOL PER CENT OF MALEIC COMPONENTS SELECTED FROM THE GROUP CONSISTING OF MALEIC ANHYDRIDE, MALEIC ACID, ALKYL HALF ESTERS OF MALEIC ACID, IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS, AND MIXTURES THEREOF, SAID SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT FROM ABOUT 0.5 TO 5% BY WEIGHT, BASED ON THE DRY YARNS, OF SAID COPOLYMER, AND THEN DRYING SAID YARNS.
Claim 2
Independent Claim
121 words
A METHOD OF SIZING WATER-INSOLUBLE NYLON WRAP YARNS TO PREPARE THEM FOR WEAVING WHICH COMPRISES TREATING SAID YARNS WITH AN AQUEOUS SOLUTION HAVING A PH BETWEEN 2 AND 5 AND COMPRISING FROM ABOUT 2 TO 15% BY WEIGHT OF A WATER-SOLUBLE COPOLYMER OF SUBSTANTIALLY 50 MOL PER CENT OF VINYL ACETATE AND SUBSTANTIALLY 50 MOL PER CENT OF MALEIC COMPONENTS SELECTED FROM THE GROUP CONSISTING OF MALEIC ANHYDRIDE, MALEIC ACID, ALKYL HALF ESTERS OF MALEIC ACID, IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS, AND MIXTURES THEREOF, SAID SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT FROM ABOUT 0.5 TO 5% BY WEIGHT, BASED ON THE DRY YARNS, OF SAID COPOLYMER, AND THEN DRYING SAID YARNS.
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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |