US2874069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for reducing the pilling tendencies of fabrics
Assignee: Deering Milliken Research Corp
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Filing: 1954-03-12
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Granted: 1959-02-17
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Expires: 1974-03-12
Abstract
No abstract record available.
Inventors
- 👤 Dmitry M Gagarine
- 👤 Repokis Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:55
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD FOR REDUCING THE PILLING TENDCIES OF FABRICS CONTAINING AT LEAST ABOUT 40% STAPLE LENGTH POLYESTER FIBERS WHICH METHOD COMPRISES APPLYING TO THE FIBRIC AN AQUEOUS EMULSION OF A THERMOPLASTIC VINYL RESIN HAVING A SOFTENING POINT ABOVE ABOUT 250*F. BUT BELOW ABOUT 350*F., AND THEREAFTER HEATING THE FABRIC AT LEAST MEMENTARILY TO A TEMPERATURE AT LEAST AS HIGH AS THE SOFTENING POINT TO THE RESIN.
Claim 2
Independent Claim
66 words
A METHOD FOR REDUCING THE PILLING TENDCIES OF FABRICS CONTAINING AT LEAST ABOUT 40% STAPLE LENGTH POLYESTER FIBERS WHICH METHOD COMPRISES APPLYING TO THE FIBRIC AN AQUEOUS EMULSION OF A THERMOPLASTIC VINYL RESIN HAVING A SOFTENING POINT ABOVE ABOUT 250*F. BUT BELOW ABOUT 350*F., AND THEREAFTER HEATING THE FABRIC AT LEAST MEMENTARILY TO A TEMPERATURE AT LEAST AS HIGH AS THE SOFTENING POINT TO THE RESIN.
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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |