US2566149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile size containing polymethacrylic acid, a polymethacrylic acid salt, and a wetting agent
Assignee: EIDP Inc
•
Filing: 1948-01-07
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Granted: 1951-08-28
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Expires: 1968-01-07
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Strain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:41
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A TEXTILE SIZE COMPRISING A POLYMETHACRYLIC ACID POWDER, SOLUBLE IN WATER TO THE EXTENT OF AT LEAST 10% AT 100* C., CONTAINING FROM 0.3% TO 12% BASED ON THE WEIGHT OF POLYMETHACRYLIC ACID, OF POLYMETHACRYLIC ACID NEUTRALIZED WITH A BASE OF THE GROUP CONSISTING OF ALKALI METALS, AMMONIUM AND ORGANIC BASED AND FROM 0.01% TO 5% OF A SULFONATED LAURYL ALCOHOL WETTING AGENT.
References Cited (Backward Citations)
US2101635A
Cited
US2133257A
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US2205883A
Cited
US2326078A
Cited
US2289540A
Cited
US2356896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |