US3783016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for imparting flame resistance to fibrous materials
Assignee: ISP Investments LLC
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Filing: 1971-06-01
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Granted: 1974-01-01
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Expires: 1991-06-01
Abstract
Abstract METHOD FOR IMPARTING FLAME RESISTANCE TO FIBROUS MATERIALS IS PROVIED COMPRISING APPLYING TO SAID MATERIALS A COMPOUND HAVING THE STRUCTURAL FORMULA: (H-C(-X)=C(-X)-CH2-O-)3-P=O WHEREIN EACH X CAN BE INDEPENDENTLY CHLORO OR BROMO OR WHEN TAKEN TOGETHER CAN FORM A BOND, AND THE SUM OF CHLORINE AND BROMINE ATOMS IN THE COMPOUND IS AT LEAST TWO.
Inventors
- 👤 D Randall
- 👤 C Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:53
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/113; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |