Patent US2570830A successfully refreshed from Google Patents.
US2570830A
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Method of sizing textile warp yarns
Assignee: Monsanto Chemicals Ltd
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Filing: 1945-08-02
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Granted: 1951-10-09
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Expires: 1965-08-02
Abstract
No abstract record available.
Inventors
- 👤 Justin J Mccarthy
- 👤 William J Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:10
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11; D06M11/00; D06M11/77; D06M11/79
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
THE METHOD OF SIZING TEXTILE WARP YARNS WHICH COMPRISES TREATING SAID YARNS WITH AN AQUEOUS STARCH SIZE SOLUTION TO WHICH THERE HAS BEEN ADDED A STABLE COLLOIDAL SOLUTION OF SILICA CONSISTING OF SILICA AND WATER, SAID SILICA SOLUTION BEING ADDED TO THE STARCH SOLUTION IN AN AMOUNT SUFFICIENT TO PROVIDE A SILICA CONTENT VARYING FROM 0.1 TO 1% OF THE TOTAL SIZING SOLU TION, AND THEN DRYING THE TREATED YARN.
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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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |