Patent EP0267663A2 successfully refreshed from Google Patents.
US3577342A
Expired / Lapsed
US
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Fire-resistant finish for textiles comprising zinc fluoroborate
Assignee: Wyeth Holdings LLC
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Filing: 1969-09-02
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Granted: 1971-05-04
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Expires: 1989-09-02
Abstract
Abstract FIRE RETARDANT FINISHING COMPOSITIONS, ESPECIALLY USEFUL FOR SYNTHETIC FIBERS, INCORPORATING ZINC FLUOROBORATE AND EMULSIFICATION AND OTHER ADDITIVES TO MAINTAIN THE DESIRABLE HAND AND FEEL OF THE TEXTILE MATERIAL.
Inventors
- 👤 Louis Isadore Fidell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:46
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/372; D06M11/00; D06M11/80; D06M11/81; D06M13/08; D06M15/00; D06M15/19; D06M15/37; D06M15/53; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2631; Y10T442/2664
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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |