US3086887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile sizing
Assignee: Deering Milliken Research Corp
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Filing: 1961-04-14
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Granted: 1963-04-23
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
- 👤 Emile E Habib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:49
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; D06M15/01; D06M15/03; D06M15/11; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T442/00; Y10T442/20; Y10T442/2352
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A METHOD OF SIZING A WARP COMPRISING COTTON WHICH COMPRISES THE STEPS OF PASSING SAID WARP THROUGH AN AQUEOUS SIZE BATH CONTAINING BETWEEN ABOUT 5% AND 25% SOLIDS CONSISTING ESSENTIALLY OF AN INERT STARCH AND A WATERSOLUBLE, FILM-FORMING, THERMOPLASTIC POLYETHYLENEOXY POLYURETHANE, SAID POLYURETHANE HAVING A MELTING POINT BETWEEN ABOUT 45* AND 100*C., HAVING A VISCOSITY, AS A 25% AQUEOUS SOLUTION AT 25%C., OF AT LEAST 10,000 CPS., AND HAVING POLYETHYLENEOXY POLYMERIC UNITS EACH OF WHICH CONTAIN AT LEAST 100 ETHYLENEOXY GROUPS, THE RATIO OF SAID STARCH TO SAID POLYURETHANE BEING FROM ABOUT 35:1 TO ABOUT 15:1, SOLIDS BASIS, DRYING THE SIZED WARP AND PASSING THE DRIED WARP, AT A TEMPERATURE ABOVE THE MELTING POINT OF THE POLYURETHANE, THROUGH LEASE RODS.
References Cited (Backward Citations)
US2948691A
Cited
US2980556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |