US2651587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile materials
Assignee: Monsanto Chemicals Ltd
•
Filing: 1947-06-02
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Granted: 1953-09-08
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Expires: 1967-06-02
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Rossin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:36
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2402; Y10T442/2861; Y10T442/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF SIZING NYLON WARP YARNS WHICH COMPRISES TREATING SAID YARNS WITH A COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A SALT OF THE COPOLYMER OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF STYRENE AND SUBSTITUTED STYRENES AND AN ALKYL ESTER OF MALEIC ACID, IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS, SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM SALTS, AND THEN DRYING SAID YARNS.
Claim 2
Independent Claim
77 words
THE METHOD OF SIZING NYLON WARP YARNS WHICH COMPRISES TREATING SAID YARNS WITH A COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A SALT OF THE COPOLYMER OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF STYRENE AND SUBSTITUTED STYRENES AND AN ALKYL ESTER OF MALEIC ACID, IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS, SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM SALTS, 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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |