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US3554980A
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Method for preventing stickiness of fibres consisting of or comprising copolyamide
Assignee: SNIA Viscosa SpA
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Filing: 1966-12-14
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Granted: 1971-01-12
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Expires: 1986-12-14
Abstract
Abstract A COPOLYAMIDE COMPOSITION OF IMPROVED ELASTIC RECOVERY PROPERTIES, DYEABILITY, RESISTANCE TO STICKINESS AND HYGROSCOPICITY IN WHICH A POLYCONDENSATION PRODUCT OF AT LEAST TWO POLYAMIDE FORMING COMPOUNDS IS COMBINED WITH METAL SALTS OF MONOCRBOXYLIC AND DICARBOXYLIC ACID.
Inventors
- 👤 Satoshi Ando
- 👤 Yusaku Tanaka
- 👤 Minoru Kojima
- 👤 Kyoichi Fujimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:37
CPC Classifications
C; C08; C08L; C08L77/00; C08F; C08F255/00; C08G; C08G69/00; C08G69/02; C08G69/36; C08K; C08K5/00; C08K5/01; C08K5/04; C08K5/09; C08K5/098; D; D01; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/78; D01F6/80; Y; Y10; Y10S; Y10S524/00; Y10S524/921
Claims Analysis
Total Claims: 0
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |