US3756972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating agent for thermoplastic synthetic fibers
Assignee: Teijin Ltd
•
Filing: 1971-10-05
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Granted: 1973-09-04
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Expires: 1991-10-05
Abstract
Abstract A TREATING AGENT FOR THERMOPLASTIC SYNTHETIC FIBERS COMPRISING (1) 50-99.5% BY WEIGHT OF A SPECIFIC ETHYLENE OXIDE/ ALKYLENE OXIDE COPOLYMER, (2) 0.5-30% BY WEIGHT OF A SPECIFIC POLYMETHYLPHENYL SILOXANE, AND (3) 0-49.5% BY WEIGHT OF ANOTHER OIL COMPONENT THAN COMPONENTS (1) AND (2) ABOVE, THE AMOUNTS OF THE RESPECTIVE COMPONENTS BEING BASED ON THE TOTAL WEIGHT OF THE TREATING AGENT.
Inventors
- 👤 Y Kobayashi
- 👤 N Taguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:45
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/647; D06M15/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |