US3814627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester yarn
Assignee: Honeywell International Inc
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Filing: 1972-01-21
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Granted: 1974-06-04
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Expires: 1992-01-21
Abstract
Abstract AN IMPROVED POLYESTER YARN IS PREPARED BY APPLYING TO THE YARN A FINISH COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF COLLOIDAL SILICA AND A POLYETHYLENE GLYCOL ESTER OF A C6 TO C18 ALIPHATIC ACID, SAID POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF ABOUT 200 TO 600.
Inventors
- 👤 R Marshall
- 👤 S Pak
- 👤 K Dardoufas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:08
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79; D06M15/00; D06M15/19; D06M15/37; D06M15/53; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |